| 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 R144W.0937-2ZS | 3.175 | 6.35 | 2.38 | 0.174 | 0.055 | 170000 | 85000 | Deep groove ball bearing |
| D/W R1-5 | 2.38 | 7.938 | 2.779 | 0.312 | 0.088 | 160000 | 95000 | Deep groove ball bearing |
| D/W R1-5 R | 2.38 | 7.938 | 2.779 | 0.312 | 0.088 | 160000 | 95000 | Deep groove ball bearing |
| D/W R1-5 R-2Z | 2.38 | 7.938 | 3.571 | 0.312 | 0.088 | 160000 | 80000 | Deep groove ball bearing |
| D/W R1-5-2Z | 2.38 | 7.938 | 3.571 | 0.312 | 0.088 | 160000 | 80000 | Deep groove ball bearing |
| D/W R155 | 3.967 | 7.938 | 2.779 | 0.203 | 0.075 | 140000 | 90000 | Deep groove ball bearing |
| D/W R155 R | 3.967 | 7.938 | 2.779 | 0.203 | 0.075 | 140000 | 90000 | Deep groove ball bearing |
| D/W R155 R-2ZS | 3.967 | 7.938 | 3.175 | 0.203 | 0.075 | 140000 | 70000 | Deep groove ball bearing |
| D/W R155-2ZS | 3.967 | 7.938 | 3.175 | 0.203 | 0.075 | 140000 | 70000 | Deep groove ball bearing |
| D/W R156 | 4.762 | 7.938 | 2.779 | 0.203 | 0.075 | 140000 | 90000 | Deep groove ball bearing |
| D/W R156 R | 4.762 | 7.938 | 2.779 | 0.203 | 0.075 | 140000 | 90000 | Deep groove ball bearing |
| D/W R156 R-2ZS | 4.762 | 7.938 | 3.175 | 0.203 | 0.075 | 140000 | 70000 | Deep groove ball bearing |
| D/W R156-2ZS | 4.762 | 7.938 | 3.175 | 0.203 | 0.075 | 140000 | 70000 | Deep groove ball bearing |
| D/W R166 | 4.762 | 9.525 | 3.175 | 0.403 | 0.137 | 130000 | 80000 | Deep groove ball bearing |
| D/W R166 R | 4.762 | 9.525 | 3.175 | 0.403 | 0.137 | 130000 | 80000 | Deep groove ball bearing |
| D/W R166 R-2Z | 4.762 | 9.525 | 3.175 | 0.403 | 0.137 | 130000 | 63000 | Deep groove ball bearing |
| D/W R166-2Z | 4.762 | 9.525 | 3.175 | 0.403 | 0.137 | 130000 | 63000 | Deep groove ball bearing |
| D/W R168 | 6.35 | 9.525 | 3.175 | 0.212 | 0.088 | 120000 | 75000 | Deep groove ball bearing |
| D/W R168 R | 6.35 | 9.525 | 3.175 | 0.212 | 0.088 | 120000 | 75000 | Deep groove ball bearing |
| D/W R168 R-2Z | 6.35 | 9.525 | 3.175 | 0.212 | 0.088 | 120000 | 60000 | Deep groove ball bearing |
| D/W R168 R-2ZS | 6.35 | 9.525 | 3.175 | 0.212 | 0.088 | 120000 | 60000 | Deep groove ball bearing |
| D/W R168-2Z | 6.35 | 9.525 | 3.175 | 0.212 | 0.088 | 120000 | 60000 | Deep groove ball bearing |
| D/W R168-2ZS | 6.35 | 9.525 | 3.175 | 0.212 | 0.088 | 120000 | 60000 | Deep groove ball bearing |
| D/W R1810 | 7.938 | 12.7 | 3.967 | 0.312 | 0.143 | 100000 | 63000 | Deep groove ball bearing |
| D/W R1810 R | 7.938 | 12.7 | 3.967 | 0.312 | 0.143 | 100000 | 63000 | Deep groove ball bearing |
| D/W R1810 R-2ZS | 7.938 | 12.7 | 3.967 | 0.312 | 0.143 | 100000 | 50000 | Deep groove ball bearing |
| D/W R1810-2ZS | 7.938 | 12.7 | 3.967 | 0.312 | 0.143 | 100000 | 50000 | Deep groove ball bearing |
| D/W R188 | 6.35 | 12.7 | 3.175 | 0.618 | 0.224 | 110000 | 67000 | Deep groove ball bearing |
| D/W R188 R | 6.35 | 12.7 | 3.175 | 0.618 | 0.224 | 110000 | 67000 | Deep groove ball bearing |
| D/W R188 R-2Z | 6.35 | 12.7 | 4.762 | 0.618 | 0.224 | 110000 | 53000 | Deep groove ball bearing |
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