needle roller bearing sleeve NA4988 NSK
100% 140x250x42 Authentic. needle roller bearing sleeve NA4988 NSK Highest Pioneer Machinery Source Quality. Certified Supplier.
| Bearing number: | 7228DB |
| Size (mm): | 140x250x42 |
| Bore Diameter (mm): | 140 |
| Outer Diameter (mm): | 250 |
| Width (mm): | 42 |
| d: | 140 mm |
| D: | 250 mm |
| B: | 42 mm |
| PDF |
|
Product Details
| Bearing number | 7228DB |
| Size (mm) | 140x250x42 |
| Bore Diameter (mm) | 140 |
| Outer Diameter (mm) | 250 |
| Width (mm) | 42 |
| d | 140 mm |
| D | 250 mm |
| B | 42 mm |
| C | 42 mm |
| ra1 max. | 1 mm |
| Angle (α) | 25 ° |
| a | 77,5 mm |
| r min. | 3 mm |
| r1 min. | 1,1 mm |
| 2B | 84 mm |
| da min. | 154 mm |
| ra max. | 2,5 mm |
| Db max | 243 mm |
| Weight | 17,56 Kg |
| Basic dynamic load rating (C) | 330 kN |
| Basic static load rating (C0) | 430 kN |
| (Grease) Lubrication Speed | 2 200 r/min |
Company Profile
| Worktime |
7:00AM - 6:00PM |
| Phone |
0065 82577418 |
| Fax |
0065 82577552 |
