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KOYO RNA6904 needle roller bearings
Various 25x37x30 bearing types and 0.71 Fatigue Load Rating (kN): sizes to accommodate 0.18 KGS Weight: your KOYO RNA6904 needle roller bearings 52mm D requirements.
- KOYO
RNA6904
- 0.71
- 0.18 KGS
- 52mm
- 21.2
- In Stock
- 25mm
- Plastic
- 20.6mm
-
BEARINGS ACCESSORIES IMPORTED LTD2020-07-10 09:46:19
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KOYO RNA6904 needle roller bearings Details
| Fatigue Load Rating (kN):: | 0.71 | Weight:: | 0.18 KGS | D: | 52mm |
| Dynamic Load Rating (kN):: | 21.2 | Availability:: | In Stock | d: | 25mm |
| Cage Type:: | Plastic | B: | 20.6mm | Clearance:: | C3 |
| Limiting Speed Rating (r/min):: | 7500 |
KOYO RNA6904 needle roller bearings Code description
KOYO RNA6904 bearing Size Chart (mm/inches) | |
|---|---|
| Bearing number | 4T-09081/09196 |
| Size (mm) | 20.625x49.225x23.02 |
| Bore Diameter (mm) | 20,625 |
| Outer Diameter (mm) | 49,225 |
| Width (mm) | 23,02 |
| d | 20,625 mm |
| D | 49,225 mm |
| T | 23,02 mm |
| B | 21,539 mm |
| C | 17,462 mm |
| a | 32.4 mm |
| rs min | 1.5 mm |
| r1s min | 1.5 mm |
| e | 0.27 |
| Y2 | 2.26 |
| Y0 | 1.24 |
| Mass | 0.19 kg |
| Dynamic load, C | 38.5 kN |
| Rating life coefficient, A2 | 1.4 |
| Static load, C0 | 39 kN |
| Nlim (oil) | 11,000 rpm |
| Nlim (grease) | 8,500 rpm |
| Min operating temperature, Tmin | -40 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.39 Hz |
| Characteristic rolling element frequency, BSF | 4.4 Hz |
| Characteristic outer ring frequency, BPF0 | 5.11 Hz |
| Characteristic inner ring frequency, BPFI | 7.89 Hz |
| ra max | 1.5 mm |
| r1a max | 1.5 mm |
KOYO RNA6904 needle roller bearings Cad Models
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