3R8-98P9 Rotek Slewing Ring Bearings
| Brand Name: | Rotek |
| Model Number: | 3R8-98P9 |
| Bearing number: | 6921NR |
| Size (mm): | 105x145x20 |
| Bore Diameter (mm): | 105 |
| Outer Diameter (mm): | 145 |
| Width (mm): | 20 |
| d: | 105 mm |
| D: | 145 mm |
| B: | 20 mm |
Product Details
| Bearing number | 6921NR |
| Size (mm) | 105x145x20 |
| Bore Diameter (mm) | 105 |
| Outer Diameter (mm) | 145 |
| Width (mm) | 20 |
| d | 105 mm |
| D | 145 mm |
| B | 20 mm |
| C | 20 mm |
| rn | 0,5 mm |
| a | 3,3 mm |
| b | 1,9 mm |
| f | 1,7 mm |
| r min. | 1,1 mm |
| r0 max. | 0,6 mm |
| D1 | 142,6 mm |
| D2 | 150,7 mm |
| da min. | 111,5 mm |
| da max | 116 mm |
| Da max. | 138,5 mm |
| ra max. | 1 mm |
| Weight | 0,856 Kg |
| Basic dynamic load rating (C) | 42,5 kN |
| Basic static load rating (C0) | 42 kN |
| (Grease) Lubrication Speed | 4 300 r/min |
| (Oil) Lubrication Speed | 5 300 r/min |
| SRI | 6.16 |
| hidYobi | 6921NR |
| LangID | 1 |
| ro | 0.6 |
| D_ | 145 |
| SREX | 0.025 |
| B_ | 20 |
| da min | 111.5 |
| hidTable | ecat_NSRDGB |
| Oil rpm | 5300 |
| SRE | 6.16 |
| Cy | 4.7 |
| mass | 0.856 |
| GRS rpm | 4300 |
| ra | 1 |
| SRIX | 0.025 |
| D_a | 138.5 |
| SRIN | -0.025 |
| C0 | 42 |
| fo | 16.5 |
| SREN | -0.025 |
| DE_ | 136.906 |
| Prod_Type3 | DGBB_SR_NR_OT |
| DA_ | 11.906 |
| Z_ | 18 |
| yobi | 6921NR |
| Dx | 152 |
| C_conv | 42500 |
| SDM_ | 125 |
| r | 1.1 |
| KBRG | 6101 |
| SBRG | 19 |
| DI_ | 113.094 |
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