Outside Diameter (mm): 76.2
Width (mm): 19.05
1B-3955: 76.20mm Single Tapered Bearing Cup
CONE:1B3950 | Caterpillar Application:630A, 630B, 631B, 631D, 631E, 637, 637B, 637D, 637E, 641B, 651, 651B, 651E, 657, 657B, 657E, 666
Outside Diameter (mm): 76.2
Width (mm): 19.05
CONE:1B3950 | Caterpillar Application:630A, 630B, 631B, 631D, 631E, 637, 637B, 637D, 637E, 641B, 651, 651B, 651E, 657, 657B, 657E, 666