| Bearing model number | Basic Dimensions（mm） | Basic load （KN） |
Rated speed(rpm) | Rated speed | ||||
|---|---|---|---|---|---|---|---|---|
| d inner diameter |
D outer diameter |
B thickness |
dynamic load Cr |
static load Cor |
Grease lubrication | oil lubrication | ||
| NNU4992K/W33 | 440 | 620 | 160 | 2000 | 5400 | 800 | 900 | 128 |
| NNU4992/W33 | 440 | 620 | 160 | 2000 | 5400 | 800 | 900 | 132 |
| NNU4892/W33 | 440 | 580 | 118 | 1150 | 3250 | 840 | 950 | 75 |
| NNU4892K/W33 | 440 | 580 | 118 | 1150 | 3250 | 840 | 950 | 75 |
| NNU4188/W33 | 440 | 720 | 280 | 5650 | 11500 | 600 | 700 | 452 |
| NNU4188K30M/W33 | 440 | 720 | 280 | 5650 | 11500 | 600 | 700 | 452 |
| NNU4088K/W33 | 440 | 650 | 212 | 3850 | 8250 | 700 | 850 | 214 |
| NNU4088/W33 | 440 | 650 | 212 | 3850 | 8250 | 700 | 850 | 214 |
| NN3088K/W33 | 440 | 650 | 157 | 2540 | 5250 | 1000 | 1200 | 172 |
| NNP4088X3/W33 | 440 | 640 | 230 | 4790 | 10400 | 700 | 850 | 256 |
| NNP4088X3/HCW33X-1 | 440 | 620 | 225 | 3860 | 9670 | 750 | 850 | 221 |
| NNU4888/W33 | 440 | 540 | 100 | 1000 | 3000 | 840 | 950 | 49 |
| NNU4888K/W33 | 440 | 540 | 100 | 1000 | 3000 | 840 | 950 | 49 |
| NNU4084/W33TYA6 | 420 | 620 | 200 | 3450 | 7500 | 750 | 900 | 204 |
| NNU4084X3/HCW33 | 420 | 620 | 200 | 3250 | 7810 | 750 | 900 | 205 |
| NNU4984K/W33 | 420 | 560 | 140 | 1810 | 4750 | 850 | 1000 | 93.3 |
| NNU4180 | 400 | 650 | 250 | 4700 | 9550 | 1000 | 1250 | 135 |
| NN3084K/W33 | 400 | 620 | 150 | 2100 | 4500 | 1000 | 1250 | 205 |
| NNU4084X3/HCEW33X | 400 | 620 | 220 | 3250 | 7810 | 750 | 900 | 204 |
| NNU4084/W33 | 400 | 620 | 200 | 3450 | 7500 | 750 | 900 | 93.3 |
