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】 | |
| HK 5024.2RS | 50 | 58 | 24 | 29.2 | 63 |
| HK 5025 | 50 | 58 | 25 | 36.9 | 85 |
| HK 5520 | 55 | 63 | 20 | 30.3 | 67 |
| HK 5528 | 55 | 63 | 28 | 41.8 | 104 |
| HK 6012 | 60 | 68 | 12 | 17.6 | 32 |
| HK 6020 | 60 | 68 | 20 | 31.9 | 75 |
| HK 6032 | 60 | 68 | 32 | 51.2 | 137 |
| NK 5/10 TN | 5 | 10 | 10 | 2.29 | 2 |
| NK 5/12 TN | 5 | 10 | 12 | 2.92 | 2.7 |
| RNAO 5X10X8 TN | 5 | 10 | 8 | 2.29 | 2 |
| NK 6/10 TN | 6 | 12 | 10 | 2.55 | 2.36 |
| NK 6/12 TN | 6 | 12 | 12 | 3.3 | 3.2 |
| RNAO 6X13X8 TN | 6 | 13 | 8 | 2.55 | 2.36 |
| NK 7/10 TN | 7 | 14 | 10 | 2.81 | 2.75 |
| NK 7/12 TN | 7 | 14 | 12 | 3.58 | 3.75 |
| RNAO 7X14X8 TN | 7 | 14 | 8 | 2.81 | 2.75 |
| NK 8/12 TN | 8 | 15 | 12 | 3.8 | 4.25 |
| NK 8/16 TN | 8 | 15 | 16 | 5.01 | 5.85 |
| RNAO 8X15X10 TN | 8 | 15 | 10 | 3.8 | 4.25 |
| NK 9/12 TN | 9 | 16 | 12 | 4.4 | 5.2 |
| NK 9/16 TN | 9 | 16 | 16 | 5.72 | 7.2 |
| NK 10/12 TN | 10 | 17 | 12 | 4.57 | 5.7 |
| NK 10/16 TN | 10 | 17 | 16 | 5.94 | 8 |
| RNAO 10X17X10 TN | 10 | 17 | 10 | 4.57 | 5.7 |
| NK 12/12 | 12 | 19 | 12 | 6.71 | 8.15 |
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