BK-5920 - 6.01x11/15x12.7/16.50mm Shock-Eye Needle Bearing Kit AK 440C has the highest strength

440C has the highest strength

while the lighter-contact (less seal-drag) black LLB seals facing inward keep the grease where it belongs

This extra tough

Radial Bearing Bottom Bracket for PF30 Framesets and Shimano 24mm Cranksets

CO MR 23327LB - Enduro Zero

BK-5920 - 6.01x11/15x12.7/16.50mm Shock-Eye Needle Bearing Kit AK 440C has the highest strengthBK 5920 6. 01x11 15x12. 7 16. 50mm Shock Eye Needle Bearing Kit This is a less common size of Shock Eye Needle Kit for 6mm mounting bolt, 15mm ID shock eye and 16. 50mm mount width. Full dimensions: Inner Race ID 6. 01mm Inner Race OD 11mm Inner Race Width 16. 50mm Needle Bearing OD 15mm Needle Bearing Width 12. 7mm (1 2) Overall Width 16. 50mm