NU309ET2X.C3 top 5 original Ball Bearing NTN NSK
| Bearing number: | 6903NR |
| Size (mm): | 17x30x7 |
| Bore Diameter (mm): | 17 |
| Outer Diameter (mm): | 30 |
| Width (mm): | 7 |
| d: | 17 mm |
| D: | 30 mm |
| B: | 7 mm |
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Product Details
| Bearing number | 6903NR |
| Size (mm) | 17x30x7 |
| Bore Diameter (mm) | 17 |
| Outer Diameter (mm) | 30 |
| Width (mm) | 7 |
| d | 17 mm |
| D | 30 mm |
| B | 7 mm |
| C | 7 mm |
| rn | 0,3 mm |
| a | 1,3 mm |
| b | 0,95 mm |
| f | 0,85 mm |
| r min. | 0,3 mm |
| r0 max. | 0,25 mm |
| D1 | 28,7 mm |
| D2 | 32,8 mm |
| da min. | 19 mm |
| da max | 19,5 mm |
| Da max. | 28 mm |
| ra max. | 0,3 mm |
| Weight | 0,017 Kg |
| Basic dynamic load rating (C) | 4,6 kN |
| Basic static load rating (C0) | 2,55 kN |
| (Grease) Lubrication Speed | 24 000 r/min |
| (Oil) Lubrication Speed | 28 000 r/min |
| SRI | 2.05 |
| hidYobi | 6903NR |
| LangID | 1 |
| ro | 0.25 |
| D_ | 30 |
| SREX | 0.015 |
| B_ | 7 |
| da min | 19 |
| hidTable | ecat_NSRDGB |
| Oil rpm | 28000 |
| SRE | 2.05 |
| Cy | 1.8 |
| mass | 0.017 |
| GRS rpm | 24000 |
| ra | 0.3 |
| SRIX | 0.015 |
| D_a | 28 |
| SRIN | -0.015 |
| C0 | 2.55 |
| fo | 14.7 |
| SREN | -0.015 |
| DE_ | 27.469 |
| Prod_Type3 | DGBB_SR_NR_OT |
| DA_ | 3.969 |
| Z_ | 11 |
| yobi | 6903NR |
| Dx | 33.5 |
| C_conv | 4600 |
| SDM_ | 23.5 |
| r | 0.3 |
| KBRG | 6101 |
| SBRG | 19 |
| DI_ | 19.531 |
Company Profile
| Worktime |
9.00--18.00 |
| Phone |
0065-31591338 |
| Fax |
0065-31591338 |
