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NTN 7908UG/GMP42 Super Pricision Single Row Angular Contact Ball Bearing 40x62x12mm
Equivalent to: 7908UG/GMP42U3G
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| d - Inside diameter | = | 40mm |
| D - Outside diameter | = | 62mm |
| B - Width | = | 12mm |
| d1 - Inner ring outside diameter | = | 47.6mm |
| d2 - Inner ring outside diameter | = | 45.9mm |
| D1 - Inner ring inside diameter | = | 54.4mm |
| D2 - Inner ring inside diameter | = | 57.8mm |
| a - Charge load application point | = | 20.8mm |
| Contact angle | = | 30 degrees |
| rs min - Minimum fillet radius | = | 0.6mm |
| r1s min - Minimum fillet radius | = | 0.3mm |
| Precision class | = | P42 |
| C - Dynamic load rating | = | 14.6 kN |
| C0 - Static load rating | = | 10.7 kN |
| Preload level | = | GM |
| Preload value | = | 345 N |
| N Lim - Oil limiting speed | = | 23000 tr/min |
| N Lim - Grease limiting speed | = | 16900 tr/min |
| da min - Inner ring minimum shoulder diameter | = | 44.5mm |
| Da max - Outer ring maximum shoulder diameter | = | 57.5mm |
| Db max - Outer ring maximum shoulder diameter | = | 59.5mm |
| r1a max - Maximum fillet radius | = | 0.3mm |
| ra max - Maximum shaft & housing fillet radius | = | 0.6mm |
| Tmin - Minimum operating temperature | = | -20 Deg C |
| Tmax - Maximum operating temperature | = | +120 Deg C |
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