BlackBearing B5 R8-2RS bearing 12.7x28.58x7.94 mm steel

The BlackBearing B5 R8-2RS bearing was developed for cycling. It is a high-performance steel bearing, where each component is assembled with precision and undergoes strict quality control. You benefit from reliable performance, optimised smoothness and improved efficiency compared to a standard steel bearing. It can be used on all parts of a bicycle requiring a bearing with dimensions of 12.7x28.575x7.94 mm.

- High-quality steel balls, "Abec 5" label
- Steel cage
- Superior quality lubricant
- Double-lip 2RS labyrinth seals: low friction, water and dust resistant
- Ground raceways for improved smoothness and longer life
- Internal diameter: 12.7 mm
- External diameter: 28.575 mm
- Thickness: 7.94 mm
- Reference: R8-2RS