Toyana 31308 A tapered roller bearings
Request A Quote 50x90x21.75 Size (mm) For Your Special Toyana 31308 A tapered roller bearings Needs Today! Free Quotes. ISO 9001 certified. 50 Bore Diameter (mm)
| Size (mm) | 50x90x21.75 |
| Bore Diameter (mm) | 50 |
| Outer Diameter (mm) | 90 |
| Width (mm) | 21,75 |
| d | 50 mm |
| D | 90 mm |
| T | 21,75 mm |
| B | 20 mm |
| C | 16 mm |
| a | 22,7 mm |
| r min. | 1,5 mm |
| r2 min. | 1,5 mm |
| da min. | 58,5 mm |
| da max | 58 mm |
| Da min | 76 mm |
| Da max. | 81,5 mm |
| Db min. | 86 mm |
| ra max. | 1,5 mm |
| rb max. | 1,5 mm |
| Weight | 0,59 Kg |
| Basic dynamic load rating (C) | 77,2 kN |
| Basic static load rating (C0) | 95,8 kN |
| (Grease) Lubrication Speed | 4300 r/min |
| (Oil) Lubrication Speed | 5700 r/min |
| Calculation factor (e) | 0,55 |
| Calculation factor (Y0) | 0,6 |
| Bearing No. | 30210CR |
| r(min) | 1.5 |
| r1(min) | 1.5 |
| Cr | 96.7 |
| C0r | 95.8 |
| Cu | 14.3 |
| Grease lub. | 4300 |
| Oil lub. | 5700 |
| a(mm) | 22.7 |
| da(min) | 58.5 |
| db(max) | 58 |
| Da(max) | 81.5 |
| Da(min) | 76 |
| Db(min) | 86 |
| Sa(min) | 4 |
| Sb(min) | 5.5 |
| ra(max) | 1.5 |
| rb(max) | 1.5 |
| e | 0.55 |
| Y1 | 1.10 |
| Y0 | 0.60 |
| (Refer.)Mass(kg) | 0.590 |
Detailed Parameters
parameter：
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