| Model | Overall dimension (mm) | Limit speed (RPM) | Rated load(N) | Weight | ||||
|---|---|---|---|---|---|---|---|---|
| d | D | B | Grease | Oil lubrication | Cr(N) | Cor(N) | ||
| NNU4944/W33 | 220 | 300 | 80 | - | - | - | - | - |
| NNU4964/W33 | 320 | 440 | 118 | - | - | - | - | - |
| NNU4952K/W33 | 260 | 360 | 100 | - | - | - | - | - |
| NNU4964K | 320 | 440 | 118 | - | - | - | - | - |
| NNU4976 | 380 | 520 | 140 | - | - | - | - | - |
| NNU4964K/W33 | 320 | 440 | 118 | - | - | - | - | - |
| NNU4976/W33 | 380 | 520 | 140 | - | - | - | - | - |
| NNU4968 | 340 | 460 | 118 | - | - | - | - | - |
| NNU4976K | 380 | 520 | 140 | - | - | - | - | - |
| NNU4968/W33 | 340 | 460 | 118 | - | - | - | - | - |
| NNU4976K/W33 | 380 | 520 | 140 | - | - | - | - | - |
| NNU4968K | 340 | 460 | 118 | - | - | - | - | - |
| NNU4980 | 400 | 540 | 140 | - | - | - | - | - |
| NNU4968K/W33 | 340 | 460 | 118 | - | - | - | - | - |
| NNU4980/W33 | 400 | 540 | 140 | - | - | - | - | - |
| NNU4972 | 360 | 480 | 118 | - | - | - | - | - |
| NNU4980K | 400 | 540 | 140 | - | - | - | - | - |
| NNU4972/W33 | 360 | 480 | 118 | - | - | - | - | - |
| NNU4980K/W33 | 400 | 540 | 140 | - | - | - | - | - |
| NNU4972K | 360 | 480 | 118 | - | - | - | - | - |
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