NTN
Angular contact ball bearings 7304
Bearing NTN 7304, Ø20×52×15 mm. Request a quote — worldwide shipping.
Type Angular contact ball bearings
Dimensions
Ø 20 × 52 × 15 mm
d20Bore Ø (mm)
×
D52Outer Ø (mm)
×
B15Width (mm)
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In stock
Technical specifications
| Brand | NTN |
| d - Internal diameter | 20 mm |
| D - External diameter | 52 mm |
| B - Bearing/Inner ring width | 15 mm |
| a - Charge load application point | 18 mm |
| α - Contact angle | 30 ° |
| rs - Min fillet radius | 1,1 mm |
| r1s - Min fillet radius | 0,6 mm |
| Radial clearance class | CN |
| Mass | 0,138 kg |
| C - Dynamic load | 20700000 mN |
| C0 - Static load | 10400000 mN |
| Cu - Fatigue limit load | 815000 mN |
| N lim - Oil lubrication limit speed | 126000 °/s |
| N lim - Grease lubrication limit speed | 96000 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da min - Min shoulder diameter IR | 27 mm |
| db min - Min IR shoulder diameter | 24,5 mm |
| Da max - Max shoulder diameter OR | 45 mm |
| Db max - Max OR shoulder diameter | 47,5 mm |
| r1a - Max fillet radius | 0,6 mm |
| ra max - Max shaft & housing fillet radius | 1 mm |
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NTN 7304