Bearing Sleeve 0990721 Fits Caterpillar Excavator 311-A 311B 312-A 312B 312BOne New Aftermarket Replacement Bearing Sleeve Fits Caterpillar Excavator Models: 311 A, 311B, 312 A, 312B, 312B, L, 313B, 320, L, 320 A, 320 A, L, 320 A, N, 320B, 320B, L, 320C, 322, L, 322 A, L, 322B, 322B, L, 322C, 322C, FM, 325, L, 325B, L, 325 A, 325 A, FM, L, 325 A, L, 325C, 330B, L, E110B, E120B, E200B, E240B, E240C, E70B, EL200B, EL240B, EL240C The model numbers listed are for reference only. Please consult your service manual and verify your