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SNR 7209CG1UJ74 Super Pricision Single Row Angular Contact Ball Bearing 45x85x19mm
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| d - Inside diameter | = | 45mm |
| D - Outside diameter | = | 85mm |
| B - Width | = | 19mm |
| d1 - Inner ring outside diameter | = | 57.4mm |
| D1 - Inner ring inside diameter | = | 72.45mm |
| D2 - Inner ring inside diameter | = | 78.97mm |
| a - Charge load application point | = | 18mm |
| Contact angle | = | 15 degrees |
| rs min - Minimum fillet radius | = | 1.1mm |
| r1s min - Minimum fillet radius | = | 0.6mm |
| Precision class | = | P4 |
| C - Dynamic load rating | = | 42.9 kN |
| C0 - Static load rating | = | 31 kN |
| Cu - Fatigue load limit | = | 1.67 kN |
| f0 - Coefficient | = | 14.234 |
| Axial displacement K factor | = | 1.27 |
| Preload level | = | 7 |
| Preload value | = | 230 N |
| Axial rigidity | = | 70 N/ym |
| Radial rigidity | = | 396 N/ym |
| N Lim - Oil limiting speed | = | 25000 tr/min |
| N Lim - Grease limiting speed | = | 16000 tr/min |
| BPFO - Outer ring over rolling frequency (60 RPM) | = | 5.679 Hz |
| BPFI - Inner ring over rolling frequency (60 RPM) | = | 8.321 Hz |
| BSF - Rolling element over rolling frequency (60 RPM) | = | 4.936 Hz |
| BRF - Rolling element rotational frequency (60 RPM) | = | 2.468 Hz |
| FTF - Cage rotational frequency (60 RPM) | = | 0.406 Hz |
| da min - Inner ring minimum shoulder diameter | = | 52mm |
| db min - Inner ring minimum shoulder diameter | = | 52mm |
| Da max - Outer ring maximum shoulder diameter | = | 78mm |
| Db max - Outer ring maximum shoulder diameter | = | 78mm |
| r1a max - Maximum fillet radius | = | 0.6mm |
| ra max - Maximum shaft & housing fillet radius | = | 1mm |
| Tmin - Minimum operating temperature | = | -30 Deg C |
| Tmax - Maximum operating temperature | = | +120 Deg C |
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