SKF NK 18/20 Needle roller bearings
| Brand Name |
Bearings,Roller Bearings,Needle Roller Bearings & Rings,Needle Roller Bearings,NK 18/20 |
| Model Number |
NK 18/20 |
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Details
| Bearing number | 4T-07100/07204 |
| Size (mm) | 25.4x51.994x15.011 |
| Bore Diameter (mm) | 25,4 |
| Outer Diameter (mm) | 51,994 |
| Width (mm) | 15,011 |
| d | 25,4 mm |
| D | 51,994 mm |
| T | 15,011 mm |
| B | 14,26 mm |
| C | 12,7 mm |
| ra1 max. | 1,3 mm |
| a | 3 mm |
| Da | 45 mm |
| db | 29,5 mm |
| ra max. | 1 mm |
| da | 30,5 mm |
| Db | 48 mm |
| Weight | 0,144 Kg |
| Basic dynamic load rating (C) | 26 kN |
| Basic static load rating (C0) | 27,9 kN |
| (Grease) Lubrication Speed | 7 500 r/min |
| (Oil) Lubrication Speed | 10 000 r/min |
| Calculation factor (e) | 0,4 |
| Calculation factor (Y0) | 0,82 |
| d1 | 37.5 mm |
| e | 0.4 |
| Y2 | 1.49 |
| Y0 | 0.82 |
| Mass | 0.14 kg |
| Dynamic load, C | 26 kN |
| Rating life coefficient, A2 | 1.4 |
| Static load, C0 | 27.9 kN |
| Fatigue limit load, Cu | 3.4 kN |
| Nlim (oil) | 10,000 rpm |
| Nlim (grease) | 7,500 rpm |
| Min operating temperature, Tmin | -40 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.42 Hz |
| Characteristic rolling element frequency, BSF | 6.31 Hz |
| Characteristic outer ring frequency, BPF0 | 7.23 Hz |
| Characteristic inner ring frequency, BPFI | 9.77 Hz |
| ra max | 1 mm |
| r1a max | 1.3 mm |
Company Profile
| Worktime |
Seg - Sex (9.00 - 18.00) Sáb (9: 00-12: 00) |
| Phone |
(65) 8257 8518 |
| Fax |
(65) 6258 7399 |
