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】 | |
| RNAO 25X35X17 | 25 | 35 | 17 | 14.2 | 26.5 |
| RNAO 25X35X26 | 25 | 35 | 26 | 18.7 | 37.5 |
| NK 26/16 | 26 | 34 | 16 | 15.7 | 26 |
| NK 26/20 | 26 | 34 | 20 | 19.4 | 34.5 |
| NK 28/20 | 28 | 37 | 20 | 22 | 36.5 |
| NK 28/30 | 28 | 37 | 30 | 31.9 | 60 |
| NKS 28 | 28 | 42 | 20 | 28.6 | 39 |
| RNA 49/22 | 28 | 39 | 17 | 27 | 32.5 |
| RNA 69/22 | 28 | 39 | 30 | 36.9 | 57 |
| NK 29/20 TN | 29 | 38 | 20 | 28 | 42.5 |
| NK 29/30 | 29 | 38 | 30 | 37.5 | 60 |
| NK 30/20 | 30 | 40 | 20 | 22.9 | 38 |
| NK 30/20 TN | 30 | 40 | 20 | 25.1 | 44 |
| NK 30/30 TN | 30 | 40 | 30 | 36.9 | 72 |
| NKS 30 | 30 | 45 | 22 | 31.9 | 43 |
| RNA 4905 | 30 | 42 | 17 | 28 | 34.5 |
| RNA 4905 RS | 30 | 42 | 17 | 24.5 | 27.5 |
| RNA 4905.2RS | 30 | 42 | 17 | 24.5 | 27.5 |
| RNA 6905 | 30 | 42 | 30 | 44 | 62 |
| RNAO 30X40X17 | 30 | 40 | 17 | 18.7 | 34 |
| NK 32/20 TN | 32 | 42 | 20 | 26.4 | 48 |
| NK 32/30 | 32 | 42 | 30 | 39 | 65.5 |
| NKS 32 | 32 | 47 | 22 | 34.1 | 46.5 |
| RNA 49/28 | 32 | 45 | 17 | 25.1 | 36.5 |
| RNA 69/28 | 32 | 45 | 30 | 45.5 | 65.5 |
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