Toyana 7312 C-UD angular contact ball bearings
How 21 Bore Diameter (mm) do I place an EMERGENCY 21x12x7 Size (mm) order for a Toyana 7312 C-UD angular contact ball bearings that I want to pick up at a 12 Outer Diameter (mm) our store?
| Size (mm) | 21x12x7 |
| Bore Diameter (mm) | 21 |
| Outer Diameter (mm) | 12 |
| Width (mm) | 7 |
| d | 12 mm |
| D | 21 mm |
| B | 7 mm |
| d2 | 13.8 mm |
| D2 | 19.15 mm |
| r1,2 – min. | 0.3 mm |
| Da – max. | 19.5 mm |
| ra – max. | 0.3 mm |
| Basic dynamic load rating – C | 1.5 kN |
| Basic static load rating – C0 | 0.9 kN |
| Fatigue load limit – Pu | 0.039 kN |
| Reference speed | 70000 r/min |
| Limiting speed | 36000 r/min |
| Calculation factor – kr | 0.02 |
| Calculation factor – f0 | 13.4 |
| d2 ≈ | 13.8 mm |
| D2 ≈ | 19.15 mm |
| r1,2 min. | 0.3 mm |
| da min. | 13.5 mm |
| da max. | 13.5 mm |
| Da max. | 19.5 mm |
| ra max. | 0.3 mm |
| Basic dynamic load rating C | 1.51 kN |
| Basic static load rating C0 | 0.9 kN |
| Fatigue load limit Pu | 0.039 kN |
| Calculation factor kr | 0.02 |
| Calculation factor f0 | 13.4 |
| Mass bearing | 0.0082 kg |
Detailed Parameters
parameter：
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