689 2RS Enduro Ceramic Hybrid Sealed Radial Bike Bearing 9x17x5mm Open C1 - Dynamic Radial Rating

C1 - Dynamic Radial Rating (1 million revolutions)5: 245000 N

Limiting speed oil: 48 700

Static: 10kN

Inner recess diameter D: 103mm

Outside diameter: 40mm

689 2RS Enduro Ceramic Hybrid Sealed Radial Bike Bearing 9x17x5mm Open C1 - Dynamic Radial RatingCeramic Hybrid combines the chromium steel races found in Enduros ABEC 5 range with Grade 5 ceramic (Silicon Nitride Si3n4) balls found in Zero Ceramic bearings. This combination creates a lighter, more efficient and more affordable ceramic bearing, perfect for use in hubs or bottom brackets. The low contact LLB seals provide protection from water or dirt ingress, but without causing any friction or drag. Dimensions: 9mm x 17mm x 5mm ABEC: 5 Grade: 5