NTN NK50/25R+IR45X50X25 needle roller bearings
NTN NK50/25R+IR45X50X25 needle roller bearings Needs Analysis , 110 mm d1 215 mm D Manufacturing Service . 58 mm B Get Your Free.
| d1 | 110 mm |
| D | 215 mm |
| B | 58 mm |
| d2 ≈ | 141 mm |
| d3 | 155 mm |
| D1 ≈ | 189 mm |
| B1 | 88 mm |
| B4 | 22 mm |
| b | 11.1 mm |
| K | 6 mm |
| r1,2 min. | 2.1 mm |
| da max. | 141 mm |
| db min. | 128 mm |
| Da max. | 203 mm |
| Ba min. | 11 mm |
| ra max. | 2 mm |
| Basic dynamic load rating C | 652 kN |
| Basic static load rating C0 | 765 kN |
| Fatigue load limit Pu | 73.5 kN |
| Reference speed | 2800 r/min |
| Limiting speed | 3800 r/min |
| Calculation factor e | 0.26 |
| Calculation factor Y1 | 2.6 |
| Calculation factor Y2 | 3.9 |
| Calculation factor Y0 | 2.5 |
| Mass bearing + sleeve | 11 kg |
Detailed Parameters
parameter：
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