| Series | Shaft Size | UHMW Straight Bore Insert Bearing | UHMW Self-Aligning Insert Bearing |
| 204 | 1/2 5/8 3/4 | IBUH20416SB IBUH20420SB IBUH20424SB | IBUH20416 IBUH20420 IBUH20424 |
| 205 | 7/8 15/16 1 | IBUH20516SB IBUH20516SB IBUH20516SB | IBUH20516 IBUH20516 IBUH20516 |
| 206 | 1-1/16 1-1/8 1-3/16 1-1/4S | IBUH20634SB IBUH20636SB IBUH20638SB IBUH20640SB | IBUH20634 IBUH20636 IBUH20638 IBUH20640 |
| 207 | 1-1/4 1-5/16 1-3/8 1-7/16 | IBUH20740SB IBUH20742SB IBUH20744SB IBUH20746SB | IBUH20740 IBUH20742 IBUH20744 IBUH20746 |
| 208 | 1-1/2 1-5/8 | IBUH20848SB IBUH20852SB | IBUH20848 IBUH20852 |
| 209 | 1-5/8L 1-11/16 1-3/4 | IBUH20952SB IBUH20954SB IBUH20956SB | IBUH20952 IBUH20954 IBUH20956 |
| 210 | 1-15/16 2 | IBUH21062SB IBUH21064SB | IBUH21062 IBUH21064 |