Summary of Wheel Bearing Part No's and Interchange

front inner (tapered roller bearing)

BMW p/n	31 21 2 634 106
size	31.70 x 59.13 x 15.80
SKF p/n	LM67048 (bearing & inner race), LM67010 (outer race)
Timkin p/n

front outer (tapered roller bearing)

BMW p/n	31 21 2 634 103
size	19.00 x 45.23 x 15.49
SKF p/n	LM11949 (bearing & inner race), LM11910 (outer race)
Timkin p/n

rear inner (grooved ball bearing)

BMW p/n	33 41 1 110 131
size	30 x 62 x 16
SKF p/n	6206/C3
Timkin p/n

rear outer (grooved ball bearing)

BMW p/n	33 41 1 122 130
size	40 x 80 x 18
SKF p/n	6208/C3
Timkin p/n