A ball bearing is a high-quality mechanical component that uses balls in a ring-shaped cage to minimize friction and enable effortless rotation – the ideal solution for smooth and long-lasting performance of your bike.

– Deep groove ball bearing for bottom brackets, hubs, pedals, derailleur guide wheels, suspension pivot
– CB-137, MR18338 (inner x outer x height) 18x33x8mm
– Suitable for Bosch

Specifications:

Brand: Union

Model: CB-137
Type: Ball bearing
Inner diameter: 18mm
Outer diameter: 33mm
Height: 8mm
Material: Steel
Color: Silver/Black

Supplier item number: 436137