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 |
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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 |
