ABEC-3 Radial Bottom Bracket bearing featuring 52100 High-Carbon Chromium alloy races paired with grade 10 Balls with 90% fill, high-pressure, water-proof grease. The most common use for this bearing is as a replacement bearing for certain BMX BBs including some models from Profile Racing. Bearings are sold INDIVIDUALLY, not in pairs. DIM..... 19.05mm (3/4 inch) x 37mm x 9mm
INT CONSTR....Caged
SEALS .......... "LLB"
BALL MATERIAL ..... Chromium Steel
BALL GRADE ...............10
RACES ............... Chromium Steel
APPLICATION .....BMX BB
GREASE ....... Mobile HP 222