NX12-XL Combined Needle Roller Bearing 12*21*18mm
NX12-XL Combined Needle Roller Bearing 12*21*18mm, 34.925x73.025x22.225 Units 34,925 Bore Diameter (mm) and Housings CAD Bearing Wholesalers models , Mud pump bearings 34.925x73.025x22.225 Size (mm) Manufacturing Service . Get Your Free.
| Bearing number: | 4T-02878/02820 |
| Size (mm): | 34.925x73.025x22.225 |
| Bore Diameter (mm): | 34,925 |
| Outer Diameter (mm): | 73,025 |
| Width (mm): | 22,225 |
| d: | 34,925 mm |
| D: | 73,025 mm |
| T: | 22,225 mm |
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Product Details
| Bearing number | 4T-02878/02820 |
| Size (mm) | 34.925x73.025x22.225 |
| Bore Diameter (mm) | 34,925 |
| Outer Diameter (mm) | 73,025 |
| Width (mm) | 22,225 |
| d | 34,925 mm |
| D | 73,025 mm |
| T | 22,225 mm |
| B | 22,225 mm |
| C | 17,462 mm |
| ra1 max. | 3,3 mm |
| a | 3,9 mm |
| Da | 62 mm |
| db | 42 mm |
| ra max. | 0,8 mm |
| da | 42,5 mm |
| Db | 68 mm |
| Weight | 0,425 Kg |
| Basic dynamic load rating (C) | 56,5 kN |
| Basic static load rating (C0) | 68 kN |
| (Grease) Lubrication Speed | 5 300 r/min |
| (Oil) Lubrication Speed | 7 000 r/min |
| Calculation factor (e) | 0,45 |
| Calculation factor (Y0) | 0,73 |
| d1 | 54.2 mm |
| e | 0.45 |
| Y2 | 1.32 |
| Y0 | 0.73 |
| Mass | 0.42 kg |
| Dynamic load, C | 56.5 kN |
| Rating life coefficient, A2 | 1.4 |
| Static load, C0 | 68 kN |
| Fatigue limit load, Cu | 8.3 kN |
| Nlim (oil) | 7,000 rpm |
| Nlim (grease) | 5,300 rpm |
| Min operating temperature, Tmin | -40 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.43 Hz |
| Characteristic rolling element frequency, BSF | 6.61 Hz |
| Characteristic outer ring frequency, BPF0 | 7.29 Hz |
| Characteristic inner ring frequency, BPFI | 9.71 Hz |
| ra max | 0.8 mm |
| r1a max | 3.3 mm |
| Category | Bearings |
| Inventory | 0.0 |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0.423 |
| Product Group | B04334 |
Company Profile
| Worktime |
9: 00-18: 00 (بتوقيت بكين) |
| Phone |
+6531591338 |
| Fax |
+6531591338 |
