Abstract: A bearing unit comprising a stationary radially outer ring with a spherical radially outer surface with a convex shape; a radially inner ring that is rotary about a central rotation axis of the bearing unit and is mounted on a rotating or oscillating shaft in which a diametrical through-hole formed in a first cylindrical portion is used to receive an elastic element for locking the radially inner ring on the shaft; a plurality of rolling bodies interposed between the radially outer ring and the radially inner ring to enable the relative rotation of the two rings; and at least one element for locking the radially inner ring on the shaft in which a pair of threaded through-holes formed in either the first cylindrical portion or the second cylindrical portion of the radially inner ring is used to receive respective grub screws for locking the radially inner ring on the shaft.

Abstract: Casing of a bearing unit for food applications, made of polymeric material and provided internally with a spherical seat for housing the bearing unit, the casing having a reinforcement in the form of a metal ring co-molded inside the casing and accommodated around the spherical seat of the casing.

Abstract: A support assembly having a central axis (X) includes a casing made of a composite material and including a radially internal mounting surface, a bearing unit provided with a radially outer ring having a radially external, spherical mounting surface, and a metal insert interposed between the casing and the bearing unit and housed inside the radially internal mounting surface of the casing. The metal insert includes a radially internal, spherical mounting surface, and the bearing unit is mounted to the radially internal, spherical mounting surface of the metal insert.

Abstract: A bearing unit having a stationary radially outer ring, a radially inner ring, rotatable with respect to a rotation axis (X) and steadily connected to a rotating shaft, a row of rolling bodies interposed between the radially outer ring and the radially inner ring, a casing, inside which the rings of the bearing unit are housed, a sealing device, and a protection disk. The protection disk may be mounted in an axially external position to the sealing device and fixed to the radially inner ring. Additionally, the protection disk may have a shaped metallic screen, and an elastomer coating over-molded on part of the screen. The protection disk may further be in contact with an axially external surface of the radially outer ring through the elastomer coating, which is provided with two lips, a first lip, non-contacting or contacting and radially external, and a second lip, contacting and radially internal.

Abstract: A bearing unit including a radially outer ring, a radially inner ring, a row of rolling bodies interposed between the radially outer ring and the radially inner ring, a containment cage for keeping the rolling bodies in position defined by a plurality of arched bridges and a plurality of flattened connecting elements interposed between the bridges, a sealing screen interposed between the radially inner ring and the radially outer ring made of composite material provided with an annular central portion having a toroidal surface, a radially inner lug, and a radially outer deflector projecting towards the cage, and a channel between the cage and the sealing screen, axially defined by the lug, the toroidal surface, and the deflector.

Abstract: A support assembly for a moveable, rotating, or sliding shaft includes a casing and a cover. The casing includes a front edge defining an opening and a radially external lateral surface having an annular seat. The annular seat includes an annular groove axially spaced from the front edge and connected to a number of axial grooves that interrupt at least part of the front edge. The cover includes an annular coupling portion extending toward the radially external lateral surface of the casing. The annular coupling includes at least one pair of teeth formed on a radially inside surface of the annular coupling portion and projecting radially inward, each pair of teeth spaced circumferentially from each other, and a plurality of radially internal projections. A bottom wall of the annular groove includes a plurality of depressions alternating with a plurality of projections.

Abstract: A bearing unit includes an inner ring, an outer ring, and a sealing device interposed between the inner and outer ring. The sealing device includes first annular screen joined to the radially outer ring and a second annular screen joined to the radially inner ring and facing the first screen. The first screen includes a first gasket made of an elastomeric material, and the second screen includes a second sealing gasket made of an elastomeric material. The second gasket includes an elastically deformable non-contacting annular lip projecting from a radially outer peripheral edge of the second screen. The non-contacting annular sealing lip is contained at least partially within an annular groove of the outer ring in an un-deformed configuration, and the non-contacting annular lip is configured to flex in a radially and axially inward direction and contact the annular groove in a deformed configuration.

Abstract: A bearing unit comprising a radially outer ring having a radially outer spherical surface with a convex shape, a radially inner ring mounted on a rotating or oscillating shaft, and a plurality of rolling bodies interposed between the radially outer ring and the radially inner ring to allow the relative rotation of the radially inner ring and outer ring; a locking system for locking the bearing unit being provided with two threaded through holes that are made through the radially inner ring from opposite sides with respect to the radially outer ring and to the plurality of rolling bodies, and, for each threaded through hole with a respective grub screw locking the radially inner ring on the shaft.

Abstract: A bearing unit includes a radially outer ring having seats formed in a radially inner surface thereof, a radially inner ring, a row of rolling bodies, and at least one sealing device interposed between the rings. Each sealing device includes a shaped shield, an elastomer coating overmolded on the shaped shield, and an anchorage formed on the elastomer coating. The anchorage includes a radially external anchoring lip received by the seat of the radially outer ring that includes a root portion and a projection distal to the root portion. The anchorage also includes an annular cavity formed on a radially internal side thereof, where an axial length of the annular cavity is greater than an axial length of the projection and the anchoring lip is flexed radially inward and at least partially fills the annular cavity.

Abstract: Support assembly for movable, rotating or sliding shafts, having a bearing unit adapted to receive the movable shaft, a casing and a cover for fluid sealing an opening of an internal seat of the casing; the bearing unit having a radially outer ring, a radially inner ring and a row of rolling elements between the radially outer ring and the radially inner ring; the support assembly also being provided with: a rear sealing device, placed on the opposite side with respect to the cover, and comprising a metal shield and a vulcanized rubber liner equipped with a first, axially outer, sealing lip and with a second, axially inner, sealing lip the support assembly being characterized in that the rear sealing device comprises a further third sealing lip slidingly contacting the radially inner ring.

Abstract: A bearing unit with rolling bodies for use in the food and beverage industry, for example. The bearing unit may have a high resistance to wear and to corrosion and may have a radially outer ring, stationary, a radially inner ring, rotatable with respect to an axis of rotation (X), and a sealing and protection device mounted on the radially inner ring and on opposite sides of the radially outer ring, both to protect the radially outer ring from the action of external contaminants and to prevent any such external contaminants from getting into a gap between the radially outer ring and the radially inner ring. The bearing unit may further have protective layer being arranged in contact with the radially inner ring, and being made of composite polymeric material to isolate and protect the radially inner ring from external contaminants.

Abstract: A support assembly for a shaft includes a bearing unit adapted to receive the shaft and a cover for sealing the bearing unit. The bearing unit includes a radially outer ring and a radially inner ring, and the cover includes a bottom wall, a side wall integrally connected to the bottom wall, and a engaging portion extending from a distal end of the side wall. The engaging portion forms a dynamic seal with an axially outer annular surface of the radially outer ring. The cover is secured to the radially inner ring of the support assembly.

Abstract: A bearing unit with rolling bodies for use in the food and beverage industry, for example, is disclosed herein. The example embodiments disclosed herein provide that of a bearing unit comprising a radially inner ring including a stainless steel collar with a raceway, on which two sleeves made of reinforced polymeric material are co-molded on opposite sides. Such example embodiments incorporate corrosion resistance properties of a polymeric material without losing the surface hardness properties. As such, the radially inner ring of the bearing unit offers same nominal load values as inner rings are made entirely of metal, but with better corrosion resistance without losing the surface hardness properties.

Abstract: A support assembly for a movable shaft includes a bearing unit that receives the shaft, a casing, and a cover. The cover includes an annular coupling portion extending towards a radially external lateral surface of the casing. The annular coupling portion has circumferentially spaced teeth projecting from a radially inside surface thereof. The lateral surface includes an annular seat that receives the teeth. The annular seat includes an annular groove axially spaced with respect to a front edge of the casing that defines an opening of the casing and is connected to axial grooves that interrupt radially at least part of the front edge of the casing. A bottom wall of the annular groove has depressions alternating with projections offset with the axial grooves. The annular coupling portion includes radially internal projections that engage with the lateral surface of the casing along portions free of axial grooves.

Abstract: A support assembly for movable, rotating or sliding shafts, having a bearing unit having an inner ring, an outer ring, and a row of rolling bodies interposed between the inner and outer rings, a casing, a cover for fluid sealing an opening of an internal seat of the casing, a rear sealing device on a side opposite the cover having a metal screen and a vulcanized rubber liner equipped with an axially outer first sealing lip and with an axially inner second sealing lip, an axially inner sealing device, having a first shield provided with a vulcanized rubber liner having a plurality of sealing lips, the outer ring having a step extending axially inward and provided with a second shield having a vulcanized rubber liner with a plurality of sealing lips.

Abstract: A housing element for food applications having a casing made of metallic material and a cover made of composite material and having a bottom surface which is closed or provided with a through-hole. The housing element is provided with a system for securing the cover on the casing, comprising at least two steps which are formed on the cover and which engage with interference inside at least two corresponding grooves formed on the casing.

Abstract: A casing of a bearing unit for food applications may include a base having at least one hole for housing at least one fixing bolts, a spherical seat for housing the bearing unit, and at least one reinforcement rib located between the hole and the spherical seat.

Abstract: A bearing unit having a radially outer ring, a radially inner ring, a row of rolling elements interposed between the outer ring and the inner ring, a shaped sealing screen interposed between the inner ring and the outer ring and stably inserted inside a first seat of the outer ring, and a snap ring stably inserted inside a second seat of the radially outer ring and interacting with the shaped screen so as to lock it in the first seat.

Abstract: Casing of a bearing unit for food applications, made of polymeric material and provided internally with a spherical seat for housing the bearing unit, the casing having a reinforcement in the form of a metal ring co-molded inside the casing and accommodated around the spherical seat of the casing.

Abstract: A housing element for applications in the manufacturing industry having a casing and a cover both made of metallic material, wherein the casing is provided with a groove and a flat mounting surface and the cover is provided with an end portion having a frustoconical side wall, an oblique annular bottom wall, and a securing system consisting in inserting the end portion of the cover inside the groove of the casing, wherein an interference (i) between a radially outer end of the end portion of the cover and a radially inner end of the flat mounting surface of the casing assumes values of between 0.2 mm and 0.5 mm and an angle (?) defined between the frustoconical side wall of the end portion of the cover and the flat mounting surface of the casing assumes values of between 45° and 80°. The interference and the angle facilitate the insertion of the end portion of the cover inside the groove of the casing.