| Bearing model | Boundary Dimensions（mm） | Speed Rating(ipm) | Load Rating （kn） | Bearing type | ||||
|---|---|---|---|---|---|---|---|---|
| d | D | B | Grease lubrication | Oil lubrication | Dynamic Cr | Static Cor | ||
| WBB1-8706-2RZ | 6 | 12 | 4 | 0.403 | 0.146 | 110000 | 56000 | Deep groove ball bearing |
| WBB1-8706-2Z | 6 | 12 | 4 | 0.403 | 0.146 | 110000 | 56000 | Deep groove ball bearing |
| WBB1-8707 R-2Z | 7 | 13 | 4 | 0.312 | 0.143 | 100000 | 50000 | Deep groove ball bearing |
| WBB1-8707-2Z | 7 | 13 | 4 | 0.312 | 0.143 | 100000 | 50000 | Deep groove ball bearing |
| WBB1-8708 R-2RS1 | 8 | 14 | 4 | 0.462 | 0.193 | 28000 | Deep groove ball bearing | |
| WBB1-8708 R-2Z | 8 | 14 | 4 | 0.462 | 0.193 | 95000 | 48000 | Deep groove ball bearing |
| WBB1-8708-2RS1 | 8 | 14 | 4 | 0.319 | 0.053 | 28000 | Deep groove ball bearing | |
| WBB1-8708-2RZ | 8 | 14 | 4 | 0.319 | 0.053 | 95000 | 48000 | Deep groove ball bearing |
| WBB1-8708-2Z | 8 | 14 | 4 | 0.319 | 0.053 | 95000 | 48000 | Deep groove ball bearing |
| WBB1-8709 | 15 | 20 | 3.5 | 0.527 | 0.29 | 67000 | 43000 | Deep groove ball bearing |
| WBB1-8710 | 15 | 21 | 3.5 | 0.527 | 0.29 | 67000 | 40000 | Deep groove ball bearing |
| WBB1-8712 | 16 | 23 | 4.5 | 0.832 | 0.585 | 60000 | 38000 | Deep groove ball bearing |
| WBB1-8712-2ZS | 16 | 23 | 4.5 | 0.832 | 0.585 | 60000 | 30000 | Deep groove ball bearing |
| WBB1-8713 | 18 | 24 | 4 | 0.806 | 0.63 | 56000 | 36000 | Deep groove ball bearing |
| WBB1-8714 | 20 | 25 | 4 | 0.572 | 0.365 | 53000 | 34000 | Deep groove ball bearing |
| WBB1-8714-2ZS | 20 | 25 | 4 | 0.572 | 0.365 | 53000 | 26000 | Deep groove ball bearing |
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