Abstract: A needle bearing assembly includes a seal such as a double lip metal stiffener seal, and a washer within the shell. The double lip seals are accommodated within a chamber of the needle bush bearing assembly. The metal stiffener is used on a body of the double lip seal. A washer is used between one of the plane surfaces of double lip seal having a metal stiffener and the needle surface. The washer serves as a contact portion and is guided by the shell. A portion of the shell provides room to the external lip of the seal for proper placement inside the shell internal diameter.

Abstract: A roller bearing system comprising a rolling element having a cylindrical outer raceway; said rolling element is housed inside an outer ring to the bearing system; said outer ring having an inner and an outer diameter surface, is connected to a rotatable shaft from one end, said inner diameter surface of the outer ring having a non-symmetric convex shaped profiling facing the rolling element to facilitate maximum contact area during any operational condition.

Abstract: A roller bearing system comprising a rolling element having a cylindrical outer raceway; said rolling element is housed inside an outer ring to the bearing system; said outer ring having an inner and an outer diameter surface, is connected to a rotatable shaft from one end, said inner diameter surface of the outer ring having a non-symmetric convex shaped profiling facing the rolling element to facilitate maximum contact area during any operational condition.

Abstract: A thrust bearing with a improved sealing assembly includes external envelop such as with close rim at both ends having flat face to provide room for rubber lip folding and sealing such as double lip seal with two axial lips. The axis of rubber lips are inclined with relevant mating part. The extreme ends of the envelop envelops the delicate lip of rubber seals. The portion of the envelop ID [20] is put in a manner to guides roller cage assembly and create sealing at [08, 09]. The bearing external envelop is used as stiffener for body of double lip seal. The shape and design of the external machine cover face accommodate lips of seals, protect seals lips and hold the bearing together.