Abstract: A wheel bearing assembly is disclosed herein. The assembly includes a joint element having a first spline portion defined on an axial surface and a nose. An inner ring is provided that includes a through hole configured to receive at least a portion of the joint element and an abutment flange defined within the through hole. The inner ring includes a second spline portion configured to matingly engage with the first spline, and the nose of the joint element is configured to extend axially within the abutment flange. A connection assembly is configured to connect the inner ring and the joint element, and a portion of the connection assembly abuts a first axial end of the abutment flange.

Abstract: An inner assembly and an outer assembly of a hypotrochoid apparatus with a spindle located inside the inner assembly where a spindle proximate end and a spindle distal end each employ at least one mechanical interface. An eccentric hub provides a central throughbore for receiving a spindle, where the spindle is rotatably engaged with the eccentric hub and the inner bore which enhances vibration when the spindle is rotating and the eccentric hub is engaged.

Abstract: The present steerable wheel assembly incorporates a lean-to-steer mechanism into an inner race of a roller bearing, while a wheel is mounted to an outer race of the roller bearing. A shaft extending from the mechanism is attached to a body, and the mechanism acts to steer the outer race and the wheel about a vertical steering axis when the shaft is tilted about a horizontal axis. The mechanism can be a pivot joint, providing a linear steering response, or can be a lean-to-steer mechanism that provides a non-linear response where the steering action is not proportionally responsive to tilting over the expected range of tilting.

Abstract: An adapter for a quick-change system for changing attachments on a construction machine, which contains two parallel pin-like coupling elements arranged between parallel side parts at a stipulated spacing from each other for connection of the adapter to a quick coupler and a coupling member support releasably fastened to one of the coupling elements to secure the coupling elements. In order to permit simplified fastening, the coupling member support is connected directly to the pin-like coupling element secured against torsion via a releasable form-fit connection.

Abstract: A wire connection device includes an electrical wire, an insulation displacement terminal and a stress relaxation member. The electrical wire includes a conductor and an insulation coating on an outer periphery of the conductor. The insulation displacement terminal has a slot in which the electrical wire is fitted. The insulation displacement terminal is connected to the electrical wire by both side portions of the slot being in direct contact with the conductor and pressing the conductor elastically and plastically. The stress relaxation member is fitted in the slot of the insulation displacement terminal to suppress deterioration of a stress applied to the electrical wire.

Abstract: The present invention is a stably balanced wheelbarrow which is easy to use in different ground conditions like un-even terrain or obstacles like stones. Wheelbarrow includes a main frame, a carriage, a wheel and a wheel securing unit. Main frame supports carriage, wheel and wheel securing unit. Carriage can be of any desired shape and holds load/objects. Wheel is made wide enough to provide support to wheelbarrow such that wheelbarrow is stable. Wheel is secured by wheel securing unit. Wheel securing unit includes a pair of flange bearings and spacers. Flange bearings are disposed on either side of wheel and provide frictionless rotation of wheels. Spacers are provided on either side between flange bearings and frame for preventing movement of wheel on axle.

Abstract: An axle assembly having a wheel mount that is disposed on a planet carrier of a planetary gear set. The wheel mount may be fixedly positioned with respect to the planet carrier with one or more fasteners and one or more dowels so that the wheel mount and planet carrier may rotate together about an axis.

Abstract: The present invention relates to a toy wheel assembly (100), a molding tool for the same and a method for manufacturing said toy wheel assembly (100). In particular, the present invention provides a self-locking toy wheel assembly (100) for improved toy safety.

Abstract: The invention concerns a vehicle wheel, comprising a body of a plastics material and at least one adapter for fastening the body to a wheel mounting, the at least one adapter having at least one protuberance which engages in a recess in the body, or, if multiple adapters are used, at least one adapter is formed such that it engages in a recess of the body over its full surface area, the adapter being arranged in such a way that, after assembly of the body on the wheel mounting, the adapter is positioned between the body and the wheel mounting, or the adapter being arranged in such a way that the body is positioned between the wheel mounting and the adapter, so that the adapter lies on the outside of the body after assembly.

Abstract: An axle shaft has radially outwardly extending drive fingers which drivingly engage drive slots in a wheel hub cover. The hub cover is rigidly secured to a wheel hub and maintains the axial position of the axle shaft. A shock absorber may be positioned between the drive fingers and the drive slots. The axle shaft may be formed from a hollow tube or a solid shaft by cutting an end portion of the shaft and deforming a cut section radially outwardly to form a drive finger.

Abstract: A wheel lock configured for use in a movable apparatus is disclosed herein. In various embodiments, the movable apparatus can include a leg structure and a wheel rotatably mounted with respect to the leg structure. A wheel lock can extend through the wheel. The lock can have a first position in which the lock prevents rotation of the wheel from rotating and a second position in which the lock does not prevent rotation of the wheel. The second position can be axially displaced relative to the first position.

Abstract: The assembly comprises a beam, a support wheel rotatably mounted on an axle carried by the beam with a stub shaft. A hole in the frame of the baler which receives the stub shaft includes at least one radial recess dimensioned to permit the radially projecting arm to pass through the hole when aligned with the recess, the arm preventing the stub shaft from moving axially relative to the frame when misaligned with the recess.

Abstract: A bidirectional propulsion caster assembly is disclosed for enabling a rider to generate bi-directional motion from a ride-on device. A mounting bracket is attachable to the bottom of the device and defines a pivot axis extending in a generally transverse direction across the bottom of the device. A rocker bracket and caster shaft having a caster shaft axis are attached to the mounting bracket and pivot about the pivot axis along an arc between first and second positions. A wheel bracket is mounted to and rotates about the caster shaft. A wheel is mounted to the wheel bracket for rotation about a wheel axis angularly offset from the caster shaft axis. One or more changeable pivot stops may be attached to the rocker bracket or the mounting bracket and effective to further define the available arc of rotation.

Abstract: An eccentric bottom bracket assembly having a body member, at least two wing members, a wedge driver with two wedge members, and at least one spring member altogether forming a tubular, cylindrical assembly to fit within the inner shell of the bottom bracket area of the bicycle frame for adjusting the chain length or tension. The assembly is preferably used for the front and rear bottom brackets of a tandem bicycle for adjusting the chain that is connected to the front and rear driving sprockets. The assembly is also alternatively used in single-rider bicycles and other bicycles with the need for adjusting chain tension. The assembly allows for the wing members and the body member to circumferentially and outwardly expand or inwardly retract by co-acting with the rotation of the wedge driver which laterally displaces the wedge members in a parallel direction relative to the longitudinal axis of the body member.

Abstract: A wheel and sensor assembly includes a U-shaped bracket assembly mounting to and moving with a wheel assembly. One or more sensor device(s) such as camber angle and slip angle sensors mount to the bracket assembly for operatively measuring one or more wheel assembly parameter(s) during vehicle use. The bracket assembly mounts to the wheel assembly and turns therewith. The bracket assembly positions the sensor device(s) in operative optimal proximity to the road surface during vehicle use under actual operating conditions.

Abstract: The eccentric wheel apparatus includes a rotating frame, a wheel frame, and a circular adjustment member. Here, the inner portion of a cylindrical body is isolated by an isolation plate and an axial tube to which a driving shaft is fixed is eccentrically formed via the isolation place, in the rotating frame. Accordingly, the rotating frame and the wheel frame are combined with or released from each other. In the case that the rotating frame and the wheel frame are released from each other, the wheel frame can be freely eccentrically adjusted.

Abstract: A plurality of pressure sensors are provided in a tire of an aircraft landing gear, such sensors being carried by the same stem assembly that has the inflation-deflation valve for the tire. A communication microcircuit is provided in the stem. The communication microcircuit is connected to one coil of a stem transformer, with the other coil of the stem transformer being electrically connected to one coil of an axle transformer. The other coil of the axle transformer is coupled to an axle communication circuit which powers the axle and stem circuits and polls the sensors to determine tire pressure.

Abstract: The present invention is directed to devices having wheels, and more specifically, a method and device for making the wheels readily detachable and interchangeable by users. The removable wheel system comprises a removable axle, a wheel, an optional shield, and a hangar to be assembled in connection with a skateboard. The present invention provides a wheel and hangar using a removable axle for a removable wheel system that is easily removable, replaceable, durable, and protectable against dust accumulation while providing the strength necessary to withstand the rigors and stresses imposed on the system during use.

Abstract: A wheel device for a frame includes a wheel unit and a coupling unit for coupling the wheel unit to the frame. The coupling unit includes an upright tubular sleeve mounted fixedly on the frame, a support axle extending movably through the tubular sleeve and having a bottom end connected to the wheel unit, and a fastening member extending radially through the tubular sleeve and abutting releasably against the support axle for positioning the support axle in the tubular sleeve.

Abstract: A wheel assembly includes a wheel having a rim which is adapted to receive a tire. The wheel carries a sensor for measuring pressure inside the tire. The wheel is mounted so as to rotate around a spindle. In addition a communication device is located between the sensor and a device which is associated with the spindle for using measurements that are performed by the sensor. The communication device comprises a radio transmission device which includes a rotary antenna carried by the wheel and a fixed antenna that is carried by the spindle.

Abstract: A mounting assembly for adjustably securing an axle and a brake carrier to a front monofork of a motorcycle. The axle is received within an eccentric axle carrier and extends through a lower end of the brake carrier. An opposite end of the brake carrier includes an opening through which a carrier mounting device extends. The carrier mounting device is secured to the monofork and guides or aligns the brake carrier relative to the monofork. When the axle carrier is rotated to adjust the attitude of the motorcycle front end, the mounting device moves relative to the brake carrier while the brake carrier is maintained in a relatively fixed relationship to the wheel.

Abstract: A mounting assembly for adjustably securing an axle and a brake carrier to a front monofork of a motorcycle. The axle is received within an eccentric axle carrier and extends through a lower end of the brake carrier. An opposite end of the brake carrier includes an opening through which a carrier mounting device extends. The carrier mounting device is secured to the monofork and guides or aligns the brake carrier relative to the monofork. When the axle carrier is rotated to adjust the attitude of the motorcycle front end, the mounting device moves relative to the brake carrier while the brake carrier is maintained in a relatively fixed relationship to the wheel.

Abstract: The wheel assembly comprises:

Abstract: An adjustable eccentric wheel hub assembly includes a wheel hub having an eccentric through hole, a core member mounted in the wheel hub, an axle mounted in an eccentric through hole of the core member, and an adjustment wheel mounted on the axle tube and controlled to lock/unlock the core member, enabling the axle to be set in the center of the wheel hub for enabling the bicycle in which the adjustable eccentric wheel hub assembly is installed to be moved horizontally forwards, or in an eccentric position relative to the wheel hub for enabling the bicycle to be moved alternatively up and down when running.

Abstract: A vacuum intake horn is constantly secured to a portion of a land vehicle and connected to a vacuum generator to increase the load on the wheels and, thereby, enhance traction. In order to minimize the clearance between the intake horn face and road surface for greater vacuum force, the vacuum intake horn is attached to a portion of the vehicle such that movement of the vacuum intake horn relative to an associated wheel of the vehicle is no greater than 75% of the movement of the vehicle chassis relative to the wheel. The vacuum intake horn is mounted behind and substantially entirely within the outline of a tire, so that the tire protects the vacuum intake horn from debris and bumps in the road. In one embodiment, the vacuum intake horn is attached to the vehicle by a compensation arrangement that maintains the vacuum intake horn at a generally constant height close to the road surface despite tire deflection or movement of the chassis relative to the associated wheel.

Abstract: A golf cart wheel axle assembly having a holder plate connected to the frame of a golf cart to hold a wheel axle by a lock screw, wherein a rivet is fastened in a transversely extended rivet hole on the holder plate and peripherally engaged into an annular groove around a shoulder on the lock screw to stop the lock screw from an axial movement relative to the wheel axle.

Abstract: A ball joint wheel assembly is disclosed which includes an axle with at least one ball end, to which a wheel is secured. The wheel includes a socket for retaining the ball end, thereby forming a ball joint for supporting the rotation of the wheel. A bore is connected to the socket for receiving the axle and defining a bore wall within the wheel. The bore is substantially conical and has a desired bore angle. The bore wall thereby defines and limits the swivel angle of the wheel.

Abstract: A hubless wheel for a vehicle which provides advantageous weight and aerodynamic properties. The wheel includes a rotationally stationary inner hoop, coupled to the vehicle, and a rotatable outer hoop, concentric with the inner hoop. The inner hoop and outer hoop are both fabricated with a woven fiber composite shell. A ground engaging tread is disposed on the radial periphery of the outer hoop. Bearings, preferably three rotating bearings spaced circumferentially around the inner hoop at approximately 120.degree. intervals, are mounted on the inner hoop to be rotationally stationary therewith and each include a support surface on their respective radial peripheries. The support surface is particularly contoured to operatively engage a bearing engaging surface located on the inner periphery of the outer hoop. The outer hoop is axially and radially supported relative to the inner hoop through this engagement to allow rotation therebetween.

Abstract: A skate including a chassis formed by an upper horizontal plate solidly joined to the sole of a shoe by fasteners and a lower part running perpendicular to the plate and including at least one lateral flange on which the wheels are disposed by transverse axles solidly joined to the chassis, constituting a rolling train, each of the wheels having a hub in fixed rotation, which is disposed on the axle and which supports a bearing interpolated between the hub and a tire. The hub of the wheel is equipped with an arrangement which allows for its angular deflection relative to its median horizontal plane. The arrangement for angular deflection includes the transverse axle which is horizontally off-center in relation to the virtual center of the wheel which can cooperate by abutment with a fixed axle solidly joined to the chassis which passes through it, and which supports an elastic recoil device.

Abstract: An in-line skate has a boot, a chassis supporting the boot, and a plurality of wheels rotatably mounted on axles supported by the chassis. An improvement of the in-line skate is a system for adjusting the height of at least one of the axles in relation to the chassis. The system includes a pair of opposed, coaxially rotatable bushings supported by the chassis. Each of the bushings defines a through-hole for passing a wheel axle. The axle-receiving through-holes are located eccentrically to the rotational axis of the bushings. The system also includes a pair of hubs where each of the hubs is interfitted with a different one of the rotatable bushings so that rotation of the hubs is transferred to equivalent rotation of the bushings. Like the bushings, each of the hubs defines a through-hole for passing the wheel axle. The hub through-holes are located eccentrically to the rotational axis of the hubs and the interfitted bushings.

Abstract: A roller skate in accordance with this invention utilizes at least two angularly mounted wheels disposed generally in an in-line relationship. This skate comprises a mounting plate having a pair of oppositely disposed surfaces, with one of such surfaces being adapted to be fastened to the sole of a boot or shoe. At least one wheel mounting bracket is affixed along the longitudinal axis of the other surface of the mounting plate, for supporting the axles upon which the wheels of the skate are rotatably mounted, with the treads of the wheels disposed in alignment. The angular disposition of the wheels enables the user of my skate to achieve improved roll, and better traction during a turn and in a power stroke.

Abstract: A hollow wheel is rotatively mounted on a vehicle about an axis of rotation defining an acute angle with the vertical. This wheel comprises a first convex side wall having an outer face defining a circular and axially tapering tread centered on the axis of rotation, and a second side wall spaced apart from and connected to the first side wall to form the hollow wheel. A tube, centered on the axis of rotation, interconnects the first and second side walls to receive an axle. The tread is generally conical and presents a convex cross section. Preferably, the interconnected first and second side walls form a water-tight hollow body presenting buoyancy. The hollow wheel can be used on ground, water and snow.

Abstract: The present invention relates to a cycle or an engine-driven vehicle which moves on a bearing surface and more particularly on a road. In the case of a motorcycle, the front steering wheel (20) is fitted with a first crown-shaped roller bearing (22) being comprised of an outer annular element (21) which supports the rim (19) and an interior annular element (23) which is connected to an arm (17). The arm carries at its front end a second crown-shaped roller bearing (24) of which the internal element is made integral by way of a lug (27) of the interior annular element (23) of the roller bearing (22) and of which the interior annular element (26) of bearing (24) is made integral with the arm (17). The device allows to transmit the steering forces at a point located as close as possible to the contact area between the tire (20) and the road.

Abstract: A skid steer vehicle comprising a body having a front end and a rear end and ground engageable propulsion wheels disposed on opposite sides of the body, each propulsion wheel being carried on an outer end of a stub axle which is housed, so as to be rotatable about an axis of rotation, in a stub axle housing member mounted on the body wherein each stub axle housing member is provided with a carrier member which is mountable on the body in a selected one of a plurality of any angular positions about a reference axis, the stub axle housing member being positioned relative to the carrier member so that said axis of rotation is disposed eccentrically relative to said reference axis.

Abstract: A rigid cambered drive axle has a straight rigid housing for the two drive axles and a cambered spindle, integral with the end of the housing, for supporting a wheel hub. A drive in each inside of the housing turns a cambered drive plate through a direction changing ball joint. The drive axle and the cambered spindle each have an axis that intersects the other at the direction changing drive ball joint. The axle housing is provided with internal bearing seats concentric with the drive ball joint. The axle housing is provided with internal bearing seats concentric with the drive axle and with the external bearing seats concentric with the wheel hub. The spindle supports the wheel hub at a degree of camber equal to the angle formed by the intersection of the central axes of the spindle and the drive axle, whereby the degree of camber of the wheel hub is kept constant.

Abstract: A lubricated roller assembly which can be constructed entirely of non-metallic components. The roller assembly includes a shaft and roller body secured to one another and enclosed by a housing. The roller body is adapted to roll against an inner peripheral surface of the housing. A supply of lubricant sufficient to lubricate the roller body is contained within the housing. A lubricant containment reservoir is formed in either the housing or the shaft such that regardless of the orientation of the roller assembly, lubricant will not reach the interface between the shaft and the housing. The roller body may be provided with a drip edge to further direct lubricant away from the interface between the housing and the shaft.

Abstract: The steering wheel (10) of the vehicle is comprised of a plate (40) mounted in an appropriate annular guide (42) integral with the suspension arm (17) of the vehicle, the plate carrying a second roller bearing (24) fixed excentrically to the plate. The exterior element of the roller bearing is integral with the plate (40) and the integral element of the roller bearing is linked to the wheel (10). An electric motor (47) may drive a screw (49) and, as a result, makes the plate (40) pivot about its pivot axis (41). Thereby, the operator of the vehicle may modify the offset of the wheel (10) to displace the median axis (46) to either side from its central position. As a consequence, road handling and stability of the vehicle are improved.

Abstract: A transverse guide roller for track-guidable buses effectively prevents the access water to the rotational bearing of such rollers housed rotatably in a horizontal plane. To this end, the rotational bearing is accommodated in a bearing bell which covers the rolling bearing arrangement in a protective and sealing manner. The wheel body has essentially the shape of a cup with an upwardly pointing opening and with a bearing journal projecting from the cup bottom. The rolling bearing is fixed on the bearing journal with the inner ring as a rotating rolling bearing ring. The cup bottom has, at its lowest point, several discharge orifices for the unhindered discharge of water which may have penetrated.

Abstract: A wheel support structure for a cart, such as a wheelbarrow. The structure includes two separate wheel axis each carrying a wheel. Each wheel axis is mounted on a holding arm, which is pivotable 180 degrees about a vertical frame portion, whereby the pair of wheels can be shifted between inner and outer positions. Upper and lower plate members, forming bearing flange members, are fastened to the vertical frame portion and to a vertical stud portion of the holding arm, respectively, and are selectively securable to each other in order to lock the associated wheel in the respective inner or outer position.

Abstract: A cart formed with a concave top surface and a convex bottom surface mounting rollers medially of forward edges of each forward and rear edge and of the cart to permit use of the cart in a rolling or skidding orientation. The cart structure utilizes a plurality of spaced skids projecting below the bottom surface of the cart for enhanced skidding upon various surfaces, such as water, sand, and snow.

Abstract: A folding hand truck auxiliary wheel structure comprising an U-shaped auxiliary wheel frame adjustably secured to the wheel frame of a folding hand truck by a stop plate and a U-shaped spring wire to hold a pair of auxiliary wheels, wherein the U-shaped auxiliary wheel frame has a plurality of pairs of pin holes symmetrically made on the two linked, elongated rods thereof along longitudinal direction; the stop plate has two curved portions spaced from each other for fastening the two linked, elongated rods of the U-shaped auxiliary wheel frame which have each a pin hole at an inner side.

Abstract: A wheel (10) designed to travel on a given support surface comprises a central part (11) and a peripheral part (12) concentric to the central part. The two parts are coupled by a bearing (19) comprising an inner annular element integral with the central part and an outer annular element integral with the peripheral part. The peripheral part comprises a contact element (20) in contact with the support surface and the central part is connected to the basic structure (15) of the vehicle at a decentralized point of attachment (21). The outer part of the bearing (19) comprises a braking ring (22) which co-operates with braking jaws (23) mounted on an arm (13) connected by a swivelling axis (14) to the basic structure (15). The wheel is particularly suitable for passenger cars, motorcycles, trailers, etc.

Abstract: An implement for seeding "fluffy" grass seed comprising a seed box defining a plurality of seed compartments having a seed dispensing slot in a lower portion thereof. Seed delivery tubes are connected to the seed box so that each of the seed delivery tubes encompasses one of the seed dispensing slots. A picker wheel assembly is rotatably supported on the seed box such that a picker wheel is disposed in each of the seed dispensing slots and a directional flow agitator assembly is rotatably mounted in each of the seed compartments for agitating and directing seed toward the seed dispensing slots and into contact with the picker wheels. A packer assembly, designed to substantially "float" over the surface of the ground, is rotatably connected to the frame assembly so as to support the frame assembly while at the same time firming soil over and around seed dispensed from the seed compartments through the seed delivery tubes.

Abstract: A wheel mounting assembly for a rail-supported storage/retrieval machine. The drive and idler wheels are each mounted on a removable module which includes a fixed plate having a concave spherical surface formed in it and movable plate to which the wheel is mounted having a convex spherical surface interfitting with the concave surface on the fixed plate to define a spherical joint. The plates are interconnected by bolts fitting loosely in oversize holes formed in the fixed plate and threaded into the movable plate to provide limited relative movement of the plates about a plurality of axes. Four jackscrews arranged in pairs on opposite sides of the movable plate are threaded through a frame holding the first plate and bear against the sides of the second plate. Simultaneous tightening and loosening among combinations of the four jackscrews provides horizontal and vertical alignment of the wheel relative to the rail on which the machine is supported.

Abstract: A wheel tread adjusting device has a flat plate provided with a plurality of holes. Two of the holes align with the jack screw bores normally present in a tapered sleeve-type hub to mount the plate to the tapered sleeve. A cut-out bore allows the plate to rest flush against the tapered sleeve without interfering with the normally present lug bolts. Two additional bores are positioned radially outside of the tapered sleeve and hold jack screws to unwedge the tapered sleeve from the hub. An adjustment rod is selectively engageable with either of two adjustment bores in the plate. Another portion of the rod can be threaded through a bracket mounted to the end of the axle, or through a lug bolt bore in the hub of an outer wheel, if dual wheels are present. The structure is extremely simple, uses the normally present bores to the maximum extent, and is made predominantly of standard available parts.

Abstract: A wheel assembly for moving an object, such as load carrying vehicles, and similar types of machines. The assembly enables unique motion possibilities, such as changing the direction of the object's motion perpendicularly to a preceding direction of motion. The assembly includes a wheel, which can be either driven or freely rotatable, for propelling the vehicle. The rolling point of the wheel rests upon a support surface, which is positioned at a radial distance from a drive shaft. To change the direction of motion, the wheel is rotated around the drive shaft, along a circle having the aforementioned radius.

Abstract: In a wheel bearing arrangement for a suction cleaner, the wheel (20) has on its inside a shaft (21) cooperating with bearing surfaces (12,14) in the suction cleaner housing (10) and a bottom portion (15) thereof, respectively. According to the invention, the housing (10) comprises a supporting wall (16) extending along the outside of the wheel and having a bearing member (17) cooperating with a pivot (22) provided on the outside of the wheel.

Abstract: A movable support which includes a first axle, two stub axles which are in line with one another and which extend in opposing directions from the first axle at right angles thereto, and two hemispherical members which are mounted, with respective convex surfaces outermost, for independent rotation on the respective stub axles, on opposing sides of the first axle. The movable support finds particular application in supporting a cleaning head of a suction type pool cleaner.

Abstract: A wheel unit for a camera dolly includes first and second wheel assemblies each having a ground wheel and a track wheel attached to the ground wheel. The diameter of the track wheel is less than the diameter of the ground wheel. A king pin disposed in between the first and second wheel assemblies has first and second axles extending therefrom at a declined angle. The first and second wheel assemblies are rotatably attached to the first and second axles, such that the wheel unit may be interchangeably used on ground or track.

Abstract: A wheel-mounting arrangement for trailer axles, including tapered-roller bearings that are disposed on an axle spindle, and a hub that is rotatably mounted on the axle spindle via these tapered-roller bearings. A brake drum and a wheel or TRILEX star can be secured to the hub, which comprises an inner hub and an outer hub that is fixedly secured to the inner hub. In order to provide the wheel-mounting arrangement with emergency operation characteristics, the axle spindle has a tapered configuration in the region between the tapered-roller bearings, and the inner hub has a corresponding, inwardly projecting, tapered configuration between these same roller bearings. The tapered portions of the axle spindle and the inner hub together form a friction or sliding bearing for emergency operation.