Needle roller bearings are bearings with cylindrical rollers with a diameter smaller than the length. Improved roller/raceway shape prevents stress peaks and extends the service life of bearings.
Provide needle roller bearings in different designs, series, and sizes to meet various working conditions and applications.
| Model | Fully loaded needle hole diameter | Outside diameter | width | Basic rated dynamic load | Limiting Speeds |
|---|---|---|---|---|---|
| [mm] | [mm] | [mm] | (kN) | 【r/min】 | |
| RNA 4918 | 105 | 125 | 35 | 129 | 265 |
| RNA 6918 | 105 | 125 | 63 | 196 | 450 |
| NK 110/30 | 110 | 130 | 30 | 112 | 220 |
| NK 110/40 | 110 | 130 | 40 | 143 | 305 |
| RNA 4919 | 110 | 130 | 35 | 114 | 270 |
| RNA 6919 | 110 | 130 | 63 | 172 | 465 |
| RNA 4920 | 115 | 140 | 40 | 143 | 280 |
| RNA 4822 | 120 | 140 | 30 | 108 | 232 |
| RNA 4922 | 125 | 150 | 40 | 150 | 300 |
| RNA 4824 | 130 | 150 | 30 | 114 | 255 |
| RNA 4924 | 135 | 165 | 45 | 204 | 405 |
| RNA 4826 | 145 | 165 | 35 | 137 | 325 |
| RNA 4926 | 150 | 180 | 50 | 228 | 480 |
| RNA 4828 | 155 | 175 | 35 | 121 | 345 |
| RNA 4928 | 160 | 190 | 50 | 236 | 510 |
| RNA 4830 | 165 | 190 | 40 | 147 | 415 |
| RNA 4832 | 175 | 200 | 40 | 157 | 450 |
| RNA 4834 | 185 | 215 | 45 | 208 | 520 |
| RNA 4836 | 195 | 225 | 45 | 190 | 570 |
| RNA 4838 | 210 | 240 | 50 | 220 | 710 |
| RNA 4840 | 220 | 250 | 50 | 224 | 735 |
| RNA 4844 | 240 | 270 | 50 | 238 | 815 |
| RNA 4848 | 265 | 300 | 60 | 347 | 1120 |
| RNA 4852 | 285 | 320 | 60 | 358 | 1200 |
| RNA 4856 | 305 | 350 | 69 | 429 | 1320 |
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