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Gothenburg, Sweden

A pulley device for a belt or chain, the pulley device comprising a bearing provided with an external ring, an internal ring, and at least one row of rolling elements mounted in a bearing chamber defined between the external and internal rings. A pulley is secured in rotation with the external ring and provided with an external radial surface for engaging with a belt or chain. Also included is at least one hollow shaft able to receive a screw for mounting the pulley device on a support. The hollow shaft forming a structural unit comprising a bushing, a flange secured to the bushing, and which extends, from the bushing, radially outwards, respective to a central axis of the hollow shaft, as far as the bearing chamber. The flange is formed with a washer and an endplate, while the washer is radially located between the bushing and the endplate.

SKF Corporation | Date: 2015-09-24

A bearing unit for pinions, in which a pinion is rotatably supported through the bearing unit from the bearing unit itself. The pinion is mounted projecting from the bearing unit. The bearing unit is provided with a single outer ring with two raceways, an inner ring defined by a spacer and by two half-rings disposed on opposite sides of the spacer axially aligned with each other and each having a respective raceway. Two rows of balls are arranged inside of the raceways, where the diameters both of the rows of balls, and the balls themselves are different from each other depending on the proximity or otherwise of the row to the head of the pinion.

SKF Corporation | Date: 2015-09-29

A bearing ring for a rolling-element bearing includes a mounting surface having a first length and a running surface, configured to support a rolling element, that has a second length. The running surface has first and second axially spaced end portions, and at least one of the first and second axially spaced end portions comprises a cantilever. Also, a rolling element, such as a tapered rolling element, having cantilevered end portions.

A plug assembly for use in a rolling bearing comprising at least a first ring, at least one second ring, and at least one row of rolling elements arranged between the rings. The first ring is provided with an opening for inserting rolling elements into a space between raceways or for taking rolling elements out of the space between the raceways for assembly and maintenance. The plug assembly comprises a plug configured to close the opening when the bearing is operating. The plug includes an inner end face facing the rolling elements and an outer end face opposite to the inner end face. The bearing can further comprise a protective cap shielding the outer end face of the plug from a corrosive environment of the bearing.

SKF Corporation | Date: 2015-09-30

A universal joint including a joint cross having a bearing journal supported in a trunnion bearing having a bearing bushing and a seal assembly including a one-piece seal body sealing the journal cross against the bearing bushing, the seal body having a first lip configured to form a dynamic seal on the bearing bushing or on a U-shaped sleeve connected to the bearing bushing, a second lip configured to form a dynamic seal on the bearing bushing or on the sleeve, a first arm of the sleeve being press-fit in a cylindrical receiving surface of the bearing bushing, or the sleeve having a section that is rounded or doubly corrugated in radial section, or wherein between the seal body and rolling elements of the trunnion bearing a separate ring part is disposed and pressed towards the rolling elements by at least one elastic element projecting from the seal body.

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