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 |