KOYO 238/1000R spherical roller bearings
Various types 23 mm B and sizes to accommodate your KOYO 238/1000R spherical roller bearings 40 mm d requirements.
| d | 40 mm |
| D | 90 mm |
| B | 23 mm |
| E | 80 mm |
| F | 52 mm |
| d1 | 57.6 mm |
| rs min | 1.5 mm |
| r1s min | 1.5 mm |
| Radial clearance class | CN |
| Mass (without HJ ring) | 0.67 kg |
| Dynamic load, C | 83 kN |
| Static load, C0 | 81.5 kN |
| Fatigue limit load, Cu | 9.9 kN |
| Nlim (oil) | 8,500 rpm |
| Nlim (grease) | 7,200 rpm |
| Min operating temperature, Tmin | -20 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.39 Hz |
| Characteristic rolling element frequency, BSF | 4.5 Hz |
| Characteristic outer ring frequency, BPF0 | 4.73 Hz |
| Characteristic inner ring frequency, BPFI | 7.27 Hz |
| da min | 48 mm |
| dc min | 60 mm |
| Da max | 82 mm |
| ra max | 1.5 mm |
| Inventory | 0.0 |
| Manufacturer Name | NTN |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0.672 |
| Product Group | B04144 |
Detailed Parameters
parameter：
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