NSK 6904DDUCM distributors Ball Bearings
| Bearing number: |
W 61903 R |
| Size (mm): |
30x17x7 |
| Bore Diameter (mm): |
30 |
| Outer Diameter (mm): |
17 |
| Width (mm): |
7 |
| d: |
17 mm |
| D: |
30 mm |
| B: |
7 mm |
| PDF |
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Product Details
| Bearing number |
W 61903 R |
| Size (mm) |
30x17x7 |
| Bore Diameter (mm) |
30 |
| Outer Diameter (mm) |
17 |
| Width (mm) |
7 |
| d |
17 mm |
| D |
30 mm |
| B |
7 mm |
| d1 |
21 mm |
| D1 |
26.8 mm |
| D2 |
27.8 mm |
| D3 |
32.5 mm |
| C |
1.5 mm |
| r1,2 - min. |
0.3 mm |
| da - min. |
19 mm |
| ra - max. |
0.3 mm |
| Basic dynamic load rating - C |
4 kN |
| Basic static load rating - C0 |
2.6 kN |
| Fatigue load limit - Pu |
0.108 kN |
| Reference speed |
50000 r/min |
| Limiting speed |
32000 r/min |
| Calculation factor - kr |
0.025 |
| Calculation factor - f0 |
14.8 |
| d1 ≈ |
21 mm |
| D1 ≈ |
26.8 mm |
| D2 ≈ |
27.8 mm |
| r1,2 min. |
0.3 mm |
| da min. |
19 mm |
| ra max. |
0.3 mm |
| Basic dynamic load rating C |
3.97 kN |
| Basic static load rating C0 |
2.55 kN |
| Fatigue load limit Pu |
0.108 kN |
| Calculation factor kr |
0.025 |
| Calculation factor f0 |
14.8 |
| Mass bearing |
0.018 kg |
Company Profile
| Worktime |
9.00--18.00 |
| Phone |
0065-31591338 |
| Fax |
0065-31591338 |