BKS-0241 - T47-Internal
This size bearing is also known in the bike Industry by part number HD446K
Stainless Steel Bearings T47 External Threaded Bottom Bracket for 68-73mm Framesets and SRAM DUB Cranksets
Though stainless steel may have about 20% less load capacity and is slightly softer than our standard 52100 chromium steel used in most of our bearings
The eleven tooth size and profile with 5mm bolt-holes are designed as an upgrade for most 11 speed Campagnolo derailleurs
CO 6808 VV - Enduro Zero, Black-Oxide, Ceramic Hybrid, ABEC-5, Radial Bearing (C3 Clearance) - 40mm x 52mm x 7mm sale BKS-0241 - T47-InternalCO 6808 VV Enduro Zero, Black Oxide, Ceramic Hybrid, ABEC 5, radial bearing (C3 clearance) 40mm x 52mm x 7mm Enduro Zero, Ceramic Hybrid, ABEC 5, radial bearing featuring black oxide treated 52100 High Carbon chromium alloy races paired with Grade 5 Silicon Nitride Ceramic balls with 90% fill, high pressure, water proof grease. Si3N4 ceramic balls reduce bearing wear and increase bearing life by eliminating steel on steel contact within the bearing.