Original SKF Cylindrical Roller Bearings NU 313 SIGMA
What are the dimensions of a Original SKF Cylindrical Roller Bearings NU 313 SIGMA? 50,8 Bore Diameter (mm) SWEDEN SKF Cylindrical Roller Bearings Manufacturing Service . Get Your Free, Instant 50.8x95.25x27.783 Quote！ Jinan Excavator Parts Company
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Details
| Bearing number | 4T-33889/33821 |
| Size (mm) | 50.8x95.25x27.783 |
| Bore Diameter (mm) | 50,8 |
| Outer Diameter (mm) | 95,25 |
| Width (mm) | 27,783 |
| d | 50,8 mm |
| D | 95,25 mm |
| T | 27,783 mm |
| B | 28,575 mm |
| C | 22,225 mm |
| ra1 max. | 2,3 mm |
| a | 8 mm |
| Da | 85 mm |
| db | 58 mm |
| ra max. | 3,5 mm |
| da | 64 mm |
| Db | 90 mm |
| Weight | 0,876 Kg |
| Basic dynamic load rating (C) | 107 kN |
| Basic static load rating (C0) | 139 kN |
| (Grease) Lubrication Speed | 3 900 r/min |
| (Oil) Lubrication Speed | 5 200 r/min |
| Calculation factor (e) | 0,33 |
| Calculation factor (Y0) | 1 |
| d1 | 72.5 mm |
| e | 0.33 |
| Y2 | 1.82 |
| Y0 | 1 |
| Mass | 0.88 kg |
| Dynamic load, C | 107 kN |
| Rating life coefficient, A2 | 1.4 |
| Static load, C0 | 139 kN |
| Fatigue limit load, Cu | 17 kN |
| Nlim (oil) | 5,200 rpm |
| Nlim (grease) | 3,900 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 | 6.66 Hz |
| Characteristic outer ring frequency, BPF0 | 7.71 Hz |
| Characteristic inner ring frequency, BPFI | 10.29 Hz |
| ra max | 3.5 mm |
| r1a max | 2.3 mm |
Company Profile
| Worktime |
9:00-18:00(Beijing time) |
| Phone |
86 0531-8299 9952 |
| Fax |
86 0531 -82990353 |
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