6904/21.5 LLB BO - Black-Oxide, ABEC-3 Radial Bearing (C3 Clearance) - 21.5mm x 37mm x 9mm
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6904/21.5 LLB BO- Black-Oxide, ABEC-3 radial bearing (C3 clearance) - 21.5mm x 37mm x 9mm -
A radial bearing generally used as an e-bike bottom bracket bearing. This bearing features deep-groove design races, with Grade 10 balls and light-contact, double-lip, labyrinth (LLB) seals for maximum protection against the elements, while keeping the 90% fill extra high pressure grease inside. The Black-Oxide/Magnetite treatment provides an extra level of corrosion resistance and extended worry-free performance.
The Enduro line of bearings are available in high-carbon chromium steel, 440C stainless steel, ceramic-hybrid and XD15 with ceramic or stainless balls. Our bearings are always engineered with deep groove races to accommodate the largest balls possible. All of our standard bearings feature dual-lip seals that ride in a micro-groove creating full labyrinth to provide superior protection against the elements.
Static load - 827lbf / 3.68kN
Weight - 37.2g