JNS RNA4903M needle roller bearings
With over 10170 full-service stores, our JNS RNA4903M needle roller bearings inventory is extensive and our 15.88 mm d parts are priced right. within 24 hours. This helps you maximize your productivity by saving time and your hard-earned dollars.
| d | 15.88 mm |
| D | 40 mm |
| B | 12 mm |
| a min | 1.9 mm |
| a max | 2.06 mm |
| Ca min | 2.92 mm |
| Ca max | 3.18 mm |
| rs min | 0.6 mm |
| rNs min | 0.5 mm |
| D3 max | 38.1 mm |
| b min | 1.35 mm |
| b max | 1.65 mm |
| r0 max | 0.4 mm |
| D4 max | 44.6 mm |
| f | 1.12 mm |
| Snap ring reference | R40 |
| Radial clearance class | CN |
| Mass | 0.07 kg |
| Dynamic load, C | 9.6 kN |
| Static load, C0 | 4.6 kN |
| Fatigue limit load, Cu | 0.21 kN |
| f0 | 12.8 |
| Nlim (grease) | 12,000 rpm |
| Min operating temperature, Tmin | -25 °C |
| Max operating temperature, Tmax | 110 °C |
| Characteristic cage frequency, FTF | 0.38 Hz |
| Characteristic rolling element frequency, BSF | 3.78 Hz |
| Characteristic outer ring frequency, BPF0 | 2.63 Hz |
| Characteristic inner ring frequency, BPFI | 4.37 Hz |
| da min | 19.9 mm |
| da max | 23 mm |
| Da max | 36 mm |
| ra max | 0.6 mm |
| rNa max | 0.5 mm |
| Db min | 45.5 mm |
Detailed Parameters
parameter：
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