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Bicycle Bearing K4052H8-45/45 2RS 40.0x52.0x8.0 mm
Item number:
K4052H8-45/45-2RS
Item features:
The bicycle bearing K4052H8-45/45-2RS 40.0x52.0x8.0 mm is a double-sided sealed angular contact ball bearing with an internal angle of 45°. The high-quality manufacturing ensures safe mounting and smooth and precise steering. Thanks to the rubber lip seals (2RS) on both sides, the bearing has a high sealing effect against moisture and bad weather conditions. It is pre-greased.
Technical ScribbleZoomable
Technical Data
| Outside Ø (mm): | 52 |
| Width (mm): | 8 |
| Bore: | cylindrical |
| Extended Inner Ring: | no |
| Application: | Bicycle |
| Number of balls: | 30 |
| Outer Ø of the balls: | 3.175 |
| Seal: | 2RS |
| Sealing material: | NBR |
| Cage Material: | Plastic |
| Lifetime lubricated: | yes |
| Magnetic: | yes |
| Ring Material: | Rolling Bearing Steel |
| Type of lubrication: | greased |
| Lubrication: | Kyodo Raremax Super N |
| Oblique angle alpha: | 45° |
| Oblique angle beta: | 45° |
| Tolerance Class: | ABEC 1 / P0 |
| max. Operating Temperature: | +100°C (briefly up to +120°C) |
| Rolling Element Material: | Rolling Bearing Steel |
| min. Operating Temperature: | -40°C |
| Item weight: | 35 g |
Features
- Suitable for high radial and axial loads in both directions
- Seal: rubber lip seals (2RS) on both sides for a high sealing effect
- If you need this bearing in RS design with only one seal and one open side, you can simply remove one of the two seals: to the instructions
- Cage material: PA66 nylon, more resilient than sheet steel and therefore more durable