6904 LLB Ceramic Hybrid Frame Pivot Bearing 20mm x 37mm x 9mm Open SKF 6218-2RS1 is a high

SKF 6218-2RS1 is a high quality single row deep groove ball bearing

W 1 3 mm Width across flats

Outside D: 21mm (tolerance 0 to -13µm)

Pitch length: 1187mm

6904 LLB Ceramic Hybrid Frame Pivot Bearing 20mm x 37mm x 9mm Open SKF 6218-2RS1 is a highCeramic Hybrid combines the chromium steel races found in Enduro's 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. Bearing Code: 6904 Dimensions: 20mm x 37mm x