| Dimensions（mm) | Rated load(N) | Rated speed (min)-1 | Bearing Designation | Install Dimensions(mm) | Weight(kg) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| d | D | B | γ | EW （reference) | FW （reference) | Cr | Cor | Grease lubrication | Oil lubrication | Da (Minimum） | dLa (Minimum) | dc (Minimum) | da (Maximum） | Da (Minimum） | γa (Maximum) | (reference) | |
| 105 | 145 | 40 | 1.1 | — | 117 | 161000 | 315000 | 6000 | 7200 | NNU 4921MBKR | 111.5 | 113 | 120 | 138.5 | 136 | 1 | 1.99 |
| 105 | 145 | 40 | 1.1 | 135 | — | 161000 | 315000 | 6000 | 7200 | NN 4921MBKR | 111.5 | 113 | 120 | 138.5 | 136 | 1 | 2 |
| 100 | 140 | 40 | 1.1 | — | 112 | 155000 | 295000 | 6300 | 7500 | NNU 4920MBKR | 106.5 | 108 | 115 | 133.5 | 131 | 1 | 1.9 |
| 100 | 140 | 40 | 1.1 | 130 | — | 155000 | 295000 | 6300 | 7500 | NN 4920MBKR | 106.5 | 108 | 115 | 133.5 | 131 | 1 | 1.76 |
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