| Bearing model | Boundary Dimensions（mm） | Speed Rating(ipm) | Load Rating （kn） | Bearing type | ||||
|---|---|---|---|---|---|---|---|---|
| d | D | B | Grease lubrication | Oil lubrication | Dynamic Cr | Static Cor | ||
| D/W R188-2RS1 | 6.35 | 12.7 | 4.762 | 0.618 | 0.224 | 30000 | Deep groove ball bearing | |
| D/W R188-2RZ | 6.35 | 12.7 | 4.762 | 0.618 | 0.224 | 110000 | 53000 | Deep groove ball bearing |
| D/W R188-2Z | 6.35 | 12.7 | 4.762 | 0.618 | 0.224 | 110000 | 53000 | Deep groove ball bearing |
| D/W R2 | 3.175 | 9.525 | 3.967 | 0.364 | 0.114 | 130000 | 80000 | Deep groove ball bearing |
| D/W R2 R | 3.175 | 9.525 | 3.967 | 0.358 | 0.11 | 130000 | 85000 | Deep groove ball bearing |
| D/W R2 R-2RS1 | 3.175 | 9.525 | 3.967 | 0.358 | 0.11 | 40000 | Deep groove ball bearing | |
| D/W R2 R-2RZ | 3.175 | 9.525 | 3.967 | 0.358 | 0.11 | 130000 | 67000 | Deep groove ball bearing |
| D/W R2 R-2Z | 3.175 | 9.525 | 3.967 | 0.358 | 0.11 | 130000 | 67000 | Deep groove ball bearing |
| D/W R2-2RS1 | 3.175 | 9.525 | 3.967 | 0.364 | 0.114 | 40000 | Deep groove ball bearing | |
| D/W R2-2RZ | 3.175 | 9.525 | 3.967 | 0.364 | 0.114 | 130000 | 63000 | Deep groove ball bearing |
| D/W R2-2Z | 3.175 | 9.525 | 3.967 | 0.358 | 0.11 | 130000 | 67000 | Deep groove ball bearing |
| D/W R2-5 | 3.175 | 7.938 | 2.779 | 0.319 | 0.09 | 150000 | 95000 | Deep groove ball bearing |
| D/W R2-5 R | 3.175 | 7.938 | 2.779 | 0.319 | 0.09 | 150000 | 95000 | Deep groove ball bearing |
| D/W R2-5 R-2Z | 3.175 | 7.938 | 3.571 | 0.319 | 0.09 | 150000 | 75000 | Deep groove ball bearing |
| D/W R2-5-2Z | 3.175 | 7.938 | 3.571 | 0.319 | 0.09 | 150000 | 75000 | Deep groove ball bearing |
| D/W R2-6 | 3.175 | 9.525 | 2.779 | 0.364 | 0.114 | 130000 | 80000 | Deep groove ball bearing |
| D/W R2-6 R | 3.175 | 9.525 | 2.779 | 0.364 | 0.114 | 130000 | 80000 | Deep groove ball bearing |
| D/W R2-6 R-2Z | 3.175 | 9.525 | 3.571 | 0.364 | 0.114 | 130000 | 63000 | Deep groove ball bearing |
| D/W R2-6-2RS1 | 3.175 | 9.525 | 3.571 | 0.364 | 0.114 | 40000 | Deep groove ball bearing | |
| D/W R2-6-2RZ | 3.175 | 9.525 | 3.571 | 0.364 | 0.114 | 130000 | 63000 | Deep groove ball bearing |
| D/W R2-6-2Z | 3.175 | 9.525 | 3.571 | 0.364 | 0.114 | 130000 | 63000 | Deep groove ball bearing |
| D/W R2A | 3.175 | 12.7 | 4.366 | 0.364 | 0.114 | 130000 | 80000 | Deep groove ball bearing |
| D/W R2A-2Z | 3.175 | 12.7 | 4.366 | 0.364 | 0.114 | 130000 | 63000 | Deep groove ball bearing |
| D/W R3 | 4.762 | 12.7 | 3.967 | 0.741 | 0.25 | 110000 | 70000 | Deep groove ball bearing |
| D/W R3 R | 4.762 | 12.7 | 4.978 | 0.741 | 0.25 | 110000 | 70000 | Deep groove ball bearing |
| D/W R3 R-2RS1 | 4.762 | 12.7 | 4.978 | 0.741 | 0.25 | 32000 | Deep groove ball bearing | |
| D/W R3 R-2Z | 4.762 | 12.7 | 4.978 | 0.741 | 0.25 | 110000 | 56000 | Deep groove ball bearing |
| D/W R3-2RS1 | 4.762 | 12.7 | 4.978 | 0.741 | 0.25 | 32000 | Deep groove ball bearing | |
| D/W R3-2RZ | 4.762 | 12.7 | 4.978 | 0.741 | 0.25 | 110000 | 56000 | Deep groove ball bearing |
| D/W R3-2Z | 4.762 | 12.7 | 4.978 | 0.741 | 0.25 | 110000 | 56000 | Deep groove ball bearing |
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