| Bearing model | Boundary Dimensions(mm) | Speed Rating(ipm) | Load Rating (kn) | Bearing type | ||||
|---|---|---|---|---|---|---|---|---|
| d | D | B | Grease lubrication | Oil lubrication | Dynamic Cr | Static Cor | ||
| 312-ZNR | 60 | 130 | 31 | 91.3 | 78 | 9500 | 6000 | Deep groove ball bearing |
| 312-Z | 60 | 130 | 31 | 91.3 | 78 | 9500 | 6000 | Deep groove ball bearing |
| 312-2ZNR | 60 | 130 | 31 | 91.3 | 78 | 9500 | 4800 | Deep groove ball bearing |
| 312-2Z | 60 | 130 | 31 | 91.3 | 78 | 9500 | 4800 | Deep groove ball bearing |
| 312 NR | 60 | 130 | 31 | 91.3 | 78 | 9500 | 6000 | Deep groove ball bearing |
| 311-ZNR | 55 | 120 | 29 | 79.2 | 67 | 10000 | 6300 | Deep groove ball bearing |
| 311-Z | 55 | 120 | 29 | 79.2 | 67 | 10000 | 6300 | Deep groove ball bearing |
| 311-2ZNR | 55 | 120 | 29 | 79.2 | 67 | 10000 | 5000 | Deep groove ball bearing |
| 311-2Z | 55 | 120 | 29 | 79.2 | 67 | 10000 | 5000 | Deep groove ball bearing |
| 311 NR | 55 | 120 | 29 | 79.2 | 67 | 10000 | 6300 | Deep groove ball bearing |
| 310-ZNR | 50 | 110 | 27 | 64.4 | 52 | 11000 | 7000 | Deep groove ball bearing |
| 310-Z | 50 | 110 | 27 | 64.4 | 52 | 11000 | 7000 | Deep groove ball bearing |
| 310-2ZNR | 50 | 110 | 27 | 64.4 | 52 | 11000 | 5600 | Deep groove ball bearing |
| 310-2Z | 50 | 110 | 27 | 64.4 | 52 | 11000 | 5600 | Deep groove ball bearing |
| 310 NR | 50 | 110 | 27 | 64.4 | 52 | 11000 | 7000 | Deep groove ball bearing |
| 309-ZNR | 45 | 100 | 25 | 55 | 44 | 13000 | 7500 | Deep groove ball bearing |
| 309-Z | 45 | 100 | 25 | 55 | 44 | 13000 | 7500 | Deep groove ball bearing |
| 309-2ZNR | 45 | 100 | 25 | 55 | 44 | 13000 | 6000 | Deep groove ball bearing |
| 309-2Z | 45 | 100 | 25 | 55 | 44 | 13000 | 6000 | Deep groove ball bearing |
| 309 NR | 45 | 100 | 25 | 55 | 44 | 13000 | 7500 | Deep groove ball bearing |
| 308-ZNR | 40 | 90 | 23 | 45.7 | 36 | 14000 | 8500 | Deep groove ball bearing |
| 308-Z | 40 | 90 | 23 | 45.7 | 36 | 14000 | 8500 | Deep groove ball bearing |
| 308-2ZNR | 40 | 90 | 23 | 45.7 | 36 | 14000 | 6800 | Deep groove ball bearing |
| 308-2Z | 40 | 90 | 23 | 45.7 | 36 | 14000 | 6800 | Deep groove ball bearing |
| 308 NR | 40 | 90 | 23 | 45.7 | 36 | 14000 | 8500 | Deep groove ball bearing |
| 307-ZNR | 35 | 80 | 21 | 34.7 | 26.5 | 16000 | 9500 | Deep groove ball bearing |
| 307-Z | 35 | 80 | 21 | 34.7 | 26.5 | 16000 | 9500 | Deep groove ball bearing |
| 307-2ZNR | 35 | 80 | 21 | 34.7 | 26.5 | 16000 | 7600 | Deep groove ball bearing |
| 307-2Z | 35 | 80 | 21 | 34.7 | 26.5 | 16000 | 7600 | Deep groove ball bearing |
| 307 NR | 35 | 80 | 21 | 34.7 | 26.5 | 16000 | 9500 | Deep groove ball bearing |