71904 ACDTP/HCP4B
Precision ball bearing > High precision angular contact ball bearing
71904 ACDTP/HCP4B - Precision ball bearing - High precision angular contact ball bearing
| Product model | 71904 ACDTP/HCP4B |
|---|---|
| d | 20 mm |
| D | 37 mm |
| B | 9 mm |
| d1 | 25.6mm |
| d2 | 25.6mm |
| D1 | 31.4mm |
| r1,2 | min.0.3mm |
| r3,4 | min.0.2mm |
| a | 11.2mm |
| da | min.22mm |
| db | min.22mm |
| Da | max.35mm |
| Db | max.35.6mm |
| Fillet radius(ra) | max.0.3mm |
| Fillet radius(rb) | max.0.2mm |
| Pu | 0.095kN |
| Oil and gas lubrication can reach the speed | 48000r/min |
| Contact angle(α) | 25° |
| Ball diameter(Dw) | 4.762mm |
| The number of pages(z) | 15 |
| Reference grease quantity(Gref) | 0.45cm³ |
| Preload level A(GA) | 35N |
| Static axial stiffness of preload level A | 56N/µm |
| Correction factor depends on bearing series and size (f) | 1.05 |
| The correction factor depends on the contact angle(f1) | 0.98 |
| Correction factor, preload class A(f2A) | 1 |
| Correction factor of hybrid ceramic bearing(fHC) | 1.04 |
| Limit value (e) | 0.68 |
| Axial load factor (single shaft, tandem shaft)(Y2) | 0.87 |
| Axial load factor (back to back, face to face) (Y1) | 0.92 |
| Axial load factor (back to back, face to face) (Y2) | 1.41 |
| Weight | 0.033kg |
Product Details
The 71904 ACDTP/HCP4B is part of the High precision angular contact ball bearing series within our Precision ball bearing range. It is engineered for high-performance industrial use and delivers reliable operation under demanding working conditions.
Typical applications include: electric motors, pumps, gearboxes, agricultural machinery and automotive systems. For detailed dimensions and load ratings, please refer to the specification table above. Contact FIJ for bulk pricing, technical support or customized solutions.
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71904 ACDTP/HCP4B / High precision angular contact ball bearing / Precision ball bearing