Toyana 7004 B-UO angular contact ball bearings
Request A Quote 90 Bore Diameter (mm) For Your Special Toyana 7004 B-UO angular contact ball bearings Needs Today! Free Quotes. ISO 90x55x18 Size (mm) 9001 certified. 55 Outer Diameter (mm)
| Size (mm) | 90x55x18 |
| Bore Diameter (mm) | 90 |
| Outer Diameter (mm) | 55 |
| Width (mm) | 18 |
| d | 55 mm |
| D | 90 mm |
| B | 18 mm |
| d1 | 68.18 mm |
| d2 | 66.65 mm |
| D2 | 79.39 mm |
| r1,2 – min. | 1.1 mm |
| r3,4 – min. | 0.6 mm |
| a | 18.8 mm |
| da – min. | 61 mm |
| da – max. | 67.6 mm |
| db – min. | 61 mm |
| db – max. | 66.1 mm |
| Da – max. | 84 mm |
| Db – max. | 86.8 mm |
| ra – max. | 1 mm |
| rb – max. | 0.6 mm |
| Basic dynamic load rating – C | 14 kN |
| Basic static load rating – C0 | 11 kN |
| Fatigue load limit – Pu | 0.465 kN |
| Limiting speed for grease lubrication | 22000 r/min |
| Ball – Dw | 6.747 mm |
| Ball – z | 26 |
| Calculation factor – f0 | 9.7 |
| Preload class A – GA | 38 N |
| Preload class B – GB | 92 N |
| Preload class C – GC | 275 N |
| Calculation factor – f | 1 |
| Calculation factor – f2A | 1 |
| Calculation factor – f2B | 1.02 |
| Calculation factor – f2C | 1.05 |
| Calculation factor – fHC | 1 |
| Preload class A | 38 N/micron |
| Preload class B | 50 N/micron |
| Preload class C | 80 N/micron |
| r1,2 min. | 1.1 mm |
| r3,4 min. | 0.6 mm |
| da min. | 61 mm |
| da max. | 67.6 mm |
| db min. | 61 mm |
| db max. | 66.1 mm |
| Da max. | 84 mm |
| Db max. | 86.8 mm |
| ra max. | 1 mm |
| rb max. | 0.6 mm |
| Basic dynamic load rating C | 18.6 kN |
| Basic static load rating C0 | 19 kN |
| Fatigue load limit Pu | 0.465 kN |
| Attainable speed for grease lubrication | 22000 r/min |
| Ball diameter Dw | 6.747 mm |
| Number of balls z | 26 |
| Preload class A GA | 38 N |
| Static axial stiffness, preload class A | 38 N/µm |
| Preload class B GB | 92 N |
| Static axial stiffness, preload class B | 50 N/µm |
| Preload class C GC | 275 N |
| Static axial stiffness, preload class C | 80 N/µm |
| Calculation factor f | 1.06 |
| Calculation factor f1 | 1 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.02 |
| Calculation factor f2C | 1.05 |
| Calculation factor fHC | 1 |
| Calculation factor f0 | 9.7 |
| Mass bearing | 0.42 kg |
Detailed Parameters
parameter：
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