SNR
Tapered roller bearings 30304A
Bearing SNR 30304A, Ø20×52×15 mm. Request a quote — worldwide shipping.
Type Tapered roller bearings
Dimensions
Ø 20 × 52 × 15 mm
d20Bore Ø (mm)
×
D52Outer Ø (mm)
×
B15Width (mm)
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In stock
Technical specifications
| Brand | SNR |
| d - Internal diameter | 20 mm |
| D - External diameter | 52 mm |
| B - Bearing/Inner ring width | 15 mm |
| C - Outer ring width | 13 mm |
| T - Total width | 16,25 mm |
| d1 - External diameter inner ring | 34,7 mm |
| a - Charge load application point | 11,3 mm |
| rs - Min fillet radius | 1,5 mm |
| r1s - Min fillet radius | 1,5 mm |
| Mass | 0,165 kg |
| ISO 355 reference | T2FB020 |
| C - Dynamic load | 36300000 mN |
| A2 - Rating life coefficient | 1 |
| C0 - Static load | 33200000 mN |
| Cu - Fatigue limit load | 4050000 mN |
| e - Coefficient | 0.3 |
| Y0 - Static axial load coefficient | 1.1 |
| Y2 - Upper axial load coefficient | 2 |
| N ref - Reference thermal speed | 49200 °/s |
| N lim - Mechanical Limit Speed | 90000 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| BPFO - Over rolling frequency on outer ring (60 rpm) | 5,125 Hz |
| BPFI - Over rolling frequency on inner (60 rpm) | 7,875 Hz |
| BSF - Over rolling frequency on rolling element (60 rpm) | 4,429 Hz |
| BRF - Rotational frequency – rolling element (60 rpm) | 2,215 Hz |
| FTF - Rotational frequency - cage (60 rpm) | 0,394 Hz |
| da max - Max shoulder diameter IR | 28 mm |
| db min - Min IR shoulder diameter | 28,5 mm |
| Da min - Min shoulder diameter OR | 42,5 mm |
| Da max - Max shoulder diameter OR | 43,5 mm |
| Db min - Min OR shoulder diameter | 47,5 mm |
| Ca - Min clearance | 3 mm |
| Cb - Min clearance | 3 mm |
| ra max - Max fillet radius | 1,5 mm |
| r1a - Max fillet radius | 1,5 mm |
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SNR 30304A