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】 | |
| NKS 55 | 55 | 72 | 22 | 52 | 78 |
| RNAO 55X68X20 | 55 | 68 | 20 | 27 | 67 |
| RNA 4910 | 58 | 72 | 22 | 55 | 85 |
| RNA 4910 RS | 58 | 72 | 22 | 46.5 | 69.5 |
| RNA 4910.2RS | 58 | 72 | 22 | 46.5 | 69.5 |
| RNA 6910 | 58 | 72 | 40 | 85 | 150 |
| NK 60/25 | 60 | 72 | 25 | 46.5 | 90 |
| NK 60/25 TN | 60 | 72 | 25 | 46.8 | 110 |
| NK 60/35 | 60 | 72 | 35 | 63 | 134 |
| NKS 60 | 60 | 80 | 28 | 62.7 | 104 |
| RNAO 60X78X40 | 60 | 78 | 40 | 72.1 | 173 |
| RNA 4911 | 63 | 80 | 25 | 67 | 106 |
| RNA 6911 | 63 | 80 | 45 | 104 | 190 |
| NK 65/25 | 65 | 78 | 25 | 42.9 | 102 |
| NK 65/35 | 65 | 78 | 35 | 58.3 | 146 |
| NKS 65 | 65 | 85 | 28 | 66 | 114 |
| NK 68/25 | 68 | 82 | 25 | 44 | 95 |
| NK 68/35 | 68 | 82 | 35 | 60.5 | 146 |
| RNA 4912 | 68 | 85 | 25 | 69.5 | 114 |
| RNA 6912 | 68 | 85 | 45 | 108 | 204 |
| NK 70/25 | 70 | 85 | 25 | 44.6 | 98 |
| NK 70/35 | 70 | 85 | 35 | 61.6 | 150 |
| NKS 70 | 70 | 90 | 28 | 78 | 120 |
| RNA 4913 | 72 | 90 | 25 | 71 | 120 |
| RNA 6913 | 72 | 90 | 45 | 110 | 212 |
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