SKF 31148 Radial shaft seals for general industrial applications
| Brand Name |
Singapore |
| Model Number |
31148 |
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Details
| Bearing number |
4T-12580/12520 |
| Size (mm) |
20.638x49.225x19.845 |
| Bore Diameter (mm) |
20,638 |
| Outer Diameter (mm) |
49,225 |
| Width (mm) |
19,845 |
| d |
20,638 mm |
| D |
49,225 mm |
| T |
19,845 mm |
| B |
19,845 mm |
| C |
15,875 mm |
| ra1 max. |
1,5 mm |
| a |
7,1 mm |
| Da |
42,5 mm |
| db |
26 mm |
| ra max. |
1,5 mm |
| da |
28,5 mm |
| Db |
45,5 mm |
| Weight |
0,182 Kg |
| Basic dynamic load rating (C) |
37,5 kN |
| Basic static load rating (C0) |
39 kN |
| (Grease) Lubrication Speed |
8 200 r/min |
| (Oil) Lubrication Speed |
11 000 r/min |
| Calculation factor (e) |
0,32 |
| Calculation factor (Y0) |
1,02 |
| d1 |
34.3 mm |
| e |
0.32 |
| Y2 |
1.86 |
| Y0 |
1.02 |
| Mass |
0.18 kg |
| Dynamic load, C |
37.5 kN |
| Rating life coefficient, A2 |
1.4 |
| Static load, C0 |
39 kN |
| Fatigue limit load, Cu |
4.75 kN |
| Nlim (oil) |
11,000 rpm |
| Nlim (grease) |
8,200 rpm |
| Min operating temperature, Tmin |
-40 °C |
| Max operating temperature, Tmax |
120 °C |
| Characteristic cage frequency, FTF |
0.4 Hz |
| Characteristic rolling element frequency, BSF |
4.86 Hz |
| Characteristic outer ring frequency, BPF0 |
5.24 Hz |
| Characteristic inner ring frequency, BPFI |
7.76 Hz |
| ra max |
1.5 mm |
| r1a max |
1.5 mm |
| Category |
Bearings |
| Inventory |
0.0 |
| Minimum Buy Quantity |
N/A |
| Weight / Kilogram |
0.185 |
| Product Group |
B04334 |
Company Profile
| Worktime |
Seg - Sex (9.00 - 18.00) Sáb (9: 00-12: 00) |
| Phone |
(65) 8257 8518 |
| Fax |
(65) 6258 7399 |