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】 | |
| NK 35/20 | 35 | 45 | 20 | 28 | 45 |
| NK 35/30 | 35 | 45 | 30 | 41.5 | 72 |
| NKS 35 | 35 | 50 | 22 | 40.5 | 50 |
| RNA 4906 | 35 | 47 | 17 | 30 | 39 |
| RNA 4906 RS | 35 | 47 | 17 | 27 | 32 |
| RNA 4906.2RS | 35 | 47 | 17 | 27 | 32 |
| RNA 6906 | 35 | 47 | 30 | 49 | 75 |
| NK 37/20 | 37 | 47 | 20 | 29 | 46.5 |
| NK 37/30 | 37 | 47 | 30 | 36.9 | 76.5 |
| NKS 37 | 37 | 52 | 22 | 42.5 | 54 |
| NK 38/20 | 38 | 48 | 20 | 25.5 | 49 |
| NK 38/30 | 38 | 48 | 30 | 37.4 | 80 |
| NK 40/20 | 40 | 50 | 20 | 30 | 51 |
| NK 40/30 | 40 | 50 | 30 | 44 | 83 |
| NKS 40 | 40 | 55 | 22 | 38 | 57 |
| RNA 49/32 | 40 | 52 | 20 | 35.5 | 51 |
| RNA 69/32 | 40 | 52 | 36 | 55 | 90 |
| RNAO 40X50X17 | 40 | 50 | 17 | 20.5 | 41.5 |
| RNAO 40X55X40 | 40 | 55 | 40 | 59.4 | 118 |
| NK 42/20 | 42 | 52 | 20 | 27 | 53 |
| NK 42/30 | 42 | 52 | 30 | 39.1 | 86.5 |
| RNA 4907 | 42 | 55 | 20 | 36.5 | 54 |
| RNA 4907 RS | 42 | 55 | 20 | 31 | 43 |
| RNA 4907.2RS | 42 | 55 | 20 | 31 | 43 |
| RNA 6907 | 42 | 55 | 36 | 56 | 93 |
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