needle roller bearing sleeve NA4930 NSK
100% Kevin Global Machinery Parts Company Authentic. needle roller bearing sleeve NA4930 NSK 1900 Dimension series Highest Quality. Certified Supplier.
| Dimension series: |
1900 |
| d: |
28.575 mm |
| D: |
57.15 mm |
| T: |
19.845 mm |
| d1 ≈: |
42.1 mm |
| B: |
19.355 mm |
| C: |
15.875 mm |
| r1,2 min.: |
0.8 mm |
| PDF |
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Product Details
| Dimension series |
1900 |
| d |
28.575 mm |
| D |
57.15 mm |
| T |
19.845 mm |
| d1 ≈ |
42.1 mm |
| B |
19.355 mm |
| C |
15.875 mm |
| r1,2 min. |
0.8 mm |
| r3,4 min. |
1.5 mm |
| a |
13.702 mm |
| da max. |
35 mm |
| db min. |
35 mm |
| Da min. |
49 mm |
| Da max. |
50 mm |
| Db min. |
54 mm |
| Ca min. |
3 mm |
| Cb min. |
3.5 mm |
| ra max. |
0.8 mm |
| rb max. |
1.5 mm |
| Basic dynamic load rating C |
58.2 kN |
| Basic static load rating C0 |
55 kN |
| Fatigue load limit Pu |
6 kN |
| Reference speed |
10000 r/min |
| Limiting speed |
12000 r/min |
| Calculation factor e |
0.33 |
| Calculation factor Y |
1.8 |
| Calculation factor Y0 |
1 |
| Mass bearing |
0.23 kg |
Company Profile
| Worktime |
9.00-18.00 |
| Phone |
65-63204785 |