NTN CRO-8839 tapered roller bearings
NTN CRO-8839 tapered roller bearings Deal is 170 Bore Diameter (mm) your 170x70x58 Size (mm) source for OEM and accessories. We sell Genuine at discount prices. 70 Outer Diameter (mm)
| Size (mm) | 170x70x58 |
| Bore Diameter (mm) | 170 |
| Outer Diameter (mm) | 70 |
| Width (mm) | 58 |
| d1 | 70 mm |
| D | 170 mm |
| B | 58 mm |
| d2 | 98.3 mm |
| d3 | 105 mm |
| D1 | 143 mm |
| B1 | 78 mm |
| B4 | 17 mm |
| b | 8.3 mm |
| K | 4.5 mm |
| r1,2 – min. | 2.1 mm |
| da – max. | 98 mm |
| db – min. | 88 mm |
| Da – max. | 158 mm |
| Ba – min. | 6 mm |
| ra – max. | 2 mm |
| Basic dynamic load rating – C | 516 kN |
| Basic static load rating – C0 | 530 kN |
| Fatigue load limit – Pu | 54 kN |
| Reference speed | 3000 r/min |
| Limiting speed | 4000 r/min |
| Calculation factor – e | 0.35 |
| Calculation factor – Y1 | 1.9 |
| Calculation factor – Y2 | 2.9 |
| d2 ≈ | 98.3 mm |
| D1 ≈ | 143 mm |
| r1,2 min. | 2.1 mm |
| da max. | 98 mm |
| db min. | 88 mm |
| Da max. | 158 mm |
| Ba min. | 6 mm |
| ra max. | 2 mm |
| Basic dynamic load rating C | 516 kN |
| Basic static load rating C0 | 530 kN |
| Fatigue load limit Pu | 54 kN |
| Calculation factor e | 0.35 |
| Calculation factor Y1 | 1.9 |
| Calculation factor Y2 | 2.9 |
| Calculation factor Y0 | 1.8 |
| Mass bearing + sleeve | 7.65 kg |
Detailed Parameters
parameter：
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