| Bearing model | Boundary Dimensions（mm） | Speed Rating(ipm) | Load Rating （kn） | Bearing type | ||||
|---|---|---|---|---|---|---|---|---|
| d | D | B | Grease lubrication | Oil lubrication | Dynamic Cr | Static Cor | ||
| 220-2Z | 100 | 180 | 34 | 134 | 140 | 6300 | 4000 | Deep groove ball bearing |
| 220-Z | 100 | 180 | 34 | 134 | 140 | 6300 | 4000 | Deep groove ball bearing |
| 305 NR | 25 | 62 | 17 | 22.9 | 15.6 | 20000 | 13000 | Deep groove ball bearing |
| 305-2Z | 25 | 62 | 17 | 22.9 | 15.6 | 20000 | 10400 | Deep groove ball bearing |
| 305-2ZNR | 25 | 62 | 17 | 22.9 | 15.6 | 20000 | 10400 | Deep groove ball bearing |
| 305-Z | 25 | 62 | 17 | 22.9 | 15.6 | 20000 | 13000 | Deep groove ball bearing |
| 305-ZNR | 25 | 62 | 17 | 22.9 | 15.6 | 20000 | 13000 | Deep groove ball bearing |
| 306 NR | 30 | 72 | 19 | 29.7 | 21.6 | 18000 | 11000 | Deep groove ball bearing |
| 306-2Z | 30 | 72 | 19 | 29.7 | 21.6 | 18000 | 8800 | Deep groove ball bearing |
| 306-2ZNR | 30 | 72 | 19 | 29.7 | 21.6 | 18000 | 8800 | Deep groove ball bearing |
| 306474 D | 760 | 1080 | 150 | 923 | 2200 | 950 | 800 | Deep groove ball bearing |
| 306493 AA | 850 | 1220 | 165 | 1040 | 2700 | 800 | 670 | Deep groove ball bearing |
| 306704 C | 710 | 1000 | 140 | 832 | 1900 | 1100 | 670 | Deep groove ball bearing |
| 306708 D | 650 | 920 | 118 | 780 | 1730 | 1200 | 1000 | Deep groove ball bearing |
| 306-Z | 30 | 72 | 19 | 29.7 | 21.6 | 18000 | 11000 | Deep groove ball bearing |
| 306-ZNR | 30 | 72 | 19 | 29.7 | 21.6 | 18000 | 11000 | Deep groove ball bearing |
| 307 NR | 35 | 80 | 21 | 34.7 | 26.5 | 16000 | 9500 | Deep groove ball bearing |
| 307-2Z | 35 | 80 | 21 | 34.7 | 26.5 | 16000 | 7600 | Deep groove ball bearing |
| 307-2ZNR | 35 | 80 | 21 | 34.7 | 26.5 | 16000 | 7600 | Deep groove ball bearing |
| 307-Z | 35 | 80 | 21 | 34.7 | 26.5 | 16000 | 9500 | Deep groove ball bearing |
| 307-ZNR | 35 | 80 | 21 | 34.7 | 26.5 | 16000 | 9500 | Deep groove ball bearing |
| 308 NR | 40 | 90 | 23 | 45.7 | 36 | 14000 | 8500 | Deep groove ball bearing |
| 308-2Z | 40 | 90 | 23 | 45.7 | 36 | 14000 | 6800 | Deep groove ball bearing |
| 308-2ZNR | 40 | 90 | 23 | 45.7 | 36 | 14000 | 6800 | Deep groove ball bearing |
| 308-Z | 40 | 90 | 23 | 45.7 | 36 | 14000 | 8500 | Deep groove ball bearing |
| 308-ZNR | 40 | 90 | 23 | 45.7 | 36 | 14000 | 8500 | Deep groove ball bearing |
| 309 NR | 45 | 100 | 25 | 55 | 44 | 13000 | 7500 | Deep groove ball bearing |
| 309-2Z | 45 | 100 | 25 | 55 | 44 | 13000 | 6000 | Deep groove ball bearing |
| 309-2ZNR | 45 | 100 | 25 | 55 | 44 | 13000 | 6000 | Deep groove ball bearing |
| 309-Z | 45 | 100 | 25 | 55 | 44 | 13000 | 7500 | Deep groove ball bearing |
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