A thrust bearing includes cylindrical rollers arranged circumferentially in a bearing race with their rotational axes pointing radially to the central axis of the thrust bearing and each having a contact surface extending around and lengthwise of the cylindrical roller. The rollers includes at least pairs of radially adjacent first rollers with a radially inner first roller of each pair arranged with its rotational axis in alignment with the rotational axis of a radially outer first roller of the pair. The rollers also includes second rollers with at least one such second roller being arranged between adjacent pairs of first rollers in the circumferential direction, the at least one second roller being offset in the radial direction relative to the radially outer first rollers between which it is circumferentially arranged.

A thrust roller bearing includes a plurality of radially arranged rollers, and a pair of annular washers having raceway surfaces on which the rollers roll. The raceway surfaces are arranged to face each other. The roller is made of high-carbon chromium bearing steel and has a surface roughness of 0.01 to 0.10 in terms of Rvk and 0.01 to 0.08 in terms of Rk. At least one of the washers is made of carbon steel, surface compressive residual stress of the raceway surface is −1400 MPa to −1000 MPa, and Vickers hardness of surface of the raceway surface is 850 to 900.

A thrust roller bearing includes a plurality of radially arranged rollers, and a pair of annular washers having raceway surfaces on which the rollers roll. The raceway surfaces are arranged to face each other. The roller is made of high-carbon chromium bearing steel and has a surface roughness of 0.01 to 0.10 in terms of Rvk and 0.01 to 0.08 in terms of Rk. At least one of the washers is made of carbon steel, surface compressive residual stress of the raceway surface is −1400 MPa to −1000 MPa, and Vickers hardness of surface of the raceway surface is 850 to 900.

A multi-row rolling bearing having an inner ring and an outer ring and at least two axial rolling bearing rows for supporting axial forces between the inner and outer ring, wherein the two axial rolling bearing rows are seated on opposite axial sides of a radially projecting annular lug which engages in an annular groove and which is supported by means of the axial rolling bearing rows against the annular groove. According to the invention, at least one of the axial rolling bearing rows is formed as an angular-contact roller bearing with an angle of inclination of greater than 0° to at most 45°.

A thrust bearing includes a first axial end washer defining thereon a first race, a second axial end washer defining thereon a second race, a one-piece, radially-inner washer having a first axial end engaged with the first axial end washer and having a second axial end defining thereon a third race, and a one-piece, radially-outer washer having a first axial end defining thereon a fourth race and having a second axial end engaged with the second axial end washer. A first set of tapered rolling elements is supported between the first race and the fourth race and a second set of tapered rolling elements is supported between the second race and the third race. The first and second sets of tapered rolling elements are both axially and radially offset from one another.

A thrust bearing includes a first axial end washer defining thereon a first race, a second axial end washer defining thereon a second race, a one-piece, radially-inner washer having a first axial end engaged with the first axial end washer and having a second axial end defining thereon a third race, and a one-piece, radially-outer washer having a first axial end defining thereon a fourth race and having a second axial end engaged with the second axial end washer. A first set of tapered rolling elements is supported between the first race and the fourth race and a second set of tapered rolling elements is supported between the second race and the third race. The first and second sets of tapered rolling elements are both axially and radially offset from one another.

A clutch assembly includes a clutch hub, a clutch drum disposed about the clutch hub, a first gear connected to the clutch drum, the first gear configured to be coupled with a first shaft, the clutch hub configured to be coupled with a second shaft, a clutch pack disposed between the clutch hub and the clutch drum, and an air-actuated piston assembly for selective actuation of the clutch pack to connect or disconnect two drive axles in a tandem axle assembly. The clutch assembly includes a plurality of lever arms disposed between the piston assembly and the clutch pack. Each lever arm extending to engage the piston and the clutch pack. Each lever arm may be pivotally mounted to a lever carrier plate or to a fixed portion of the piston housing.

A thrust roller bearing includes a plurality of rollers and a cage including a plurality of cage pockets for housing the rollers. The rollers each include a cylindrical portion, an outer crowning portion, and an inner crowning portion. The cage pockets each include an outer surface, an inner surface facing a second end surface of the roller, and a pair of side surfaces facing an outer peripheral surface of the roller. The side surfaces each include a recessed surface that is not contactable with the roller, and flat surfaces that are provided on the outer side in the radial direction and on the inner side in the radial direction, respectively, and are contactable with the roller. A first dimension is larger than a second dimension.

A cage (110) for a roller thrust bearing (100), including a first cage half (120) including an annular portion (122), a first flange (130) extending axially from an inner peripheral edge (124) of the annular portion, and a second flange (132) extending axially from an outer peripheral edge (126) of the annular portion, and a second cage half (140) including an annular portion (142), a first flange (150) extending axially from one of an inner peripheral edge (144) and an outer peripheral edge (146) of the annular portion, a second flange (152) extending both axially and radially from the other of the inner peripheral edge and the outer peripheral edge, the second flange including a first flange portion (154) and a second flange portion (156), wherein the second flange portion of the second flange of the second cage half is disk-shaped and is disposed in a plane that is transverse to a longitudinal center axis of the roller retainer cage.

A thrust bearing having an inner cage having inner cage pockets, with inner rollers in the inner cage pockets, and a first outer cage having a larger diameter than the inner cage and having first outer cage pockets, with first outer rollers in the first outer cage pockets. The inner cage and the first outer cage are axially and radially aligned. A radially extending rim is provided on one circumferential side of one of the inner cage or the first outer cage that faces a facing circumferential side of the other of the inner cage or the first outer cage. First and second radially extending side tabs are provided on the facing circumferential side of the other of the inner cage or the first outer cage that define a circumferentially extending channel therebetween that receives the radially extending rim to connect the cages together.