Koyo 1315 bearing - TWB Bearings . Koyo Self-Aligning Ball Bearings 2311 2311K 2305 2305K products . Koyo Self-Aligning Ball Bearings 2311 2311K 2305 2305KSKF, NTN, INA, TIMKEN, NSK, NACHI, KOYO, IKO, ASAHI SKF brandCategory self-aligning ball bearingsDetail SKF brand to be Model: 2311 2311K 2305 2305K, Structure: self aligning, Type: ball bearing 1215 1315 2215 2318 1215K