238/850 CAMA/W20 Self Aligning Roller Bearing 850x1030x136mm
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
238/850 CAMA/W20 Self Aligning Roller Bearing 850x1030x136mm Size Chart (mm/inches) |
|---|
| Bearing number | ML71909CVUJ74S |
| Size (mm) | 45x68x12 |
| Bore Diameter (mm) | 45 |
| Outer Diameter (mm) | 68 |
| Width (mm) | 12 |
| d | 45 mm |
| D | 68 mm |
| B | 12 mm |
| C | 12 mm |
| Angle (α) | 15 ° |
| d1 | 52.3 mm |
| d2 | 50.2 mm |
| D1 | 61.51 mm |
| D2 | 63.01 mm |
| a | 14 mm |
| Contact angle α | 17 ° |
| rs min | 0.6 mm |
| r1s min | 0.3 mm |
| f0 | 8.53 |
| Precision class | P4S |
| Mass | 0.13 kg |
| Dynamic load, C | 7.3 kN |
| Static load, C0 | 5.2 kN |
| Fatigue limit load, Cu | 0.32 kN |
| Nlim (oil) | 39,000 rpm |
| Nlim (grease) | 28,000 rpm |
| Axial displacement K Factor | 1.15 |
| Preload level | 7 |
| Preload value | 0.035 kN |
| Axial rigidity | 40 N/µm |
| Radial rigidity | 201 N/µm |
| Min operating temperature, Tmin | -30 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.46 Hz |
| Characteristic rolling element frequency, BSF | 11.51 Hz |
| Characteristic outer ring frequency, BPF0 | 12.84 Hz |
| Characteristic inner ring frequency, BPFI | 15.16 Hz |
| da min | 49.5 mm |
| db min | 49.5 mm |
| Da max | 63.5 mm |
| Db max | 63.5 mm |
| r1a max | 0.3 mm |
| ra max | 0.6 mm |
| D6 | 53.8 mm |