Hybrid Ceramic Ball Bearing 2940RV MR2940-2RS 29x40x6.8mm For TOKEN BB Replacement by Finesun Bearing

ABEC-3 Grade Hybrid Ceramic Ball Bearing 2940RV, MR2940-2RS for TOKEN Bottom Bracket.   Part Code: MR2940-2RS CERAMIC(MR2940H6.8-2RS CERAMIC) Bearing ID: 29.00 mm Bearing OD:  40.00 mm Bearing Thickness: 6.80 mm Precision: ABEC-3 / P6 Material: Chromium Steel GCR15 / 100CR6 (Races) Balls: G5 Grade Si3N4 Ceramic Balls Lubrication: Kyodo Yushi Raremax SUPER N Bearing Grease Cage: Nylon PA66+25%GF Seal: Dual-sealed 2RS Used on: Bottom Bracket Interchange with: 2940RV TOKEN   NOTES: this item steel ball version also is available.