SNR
Spherical roller bearings 21306V
Bearing SNR 21306V, Ø30×72×19 mm. Request a quote — worldwide shipping.
Type Spherical roller bearings
Dimensions
Ø 30 × 72 × 19 mm
d30Bore Ø (mm)
×
D72Outer Ø (mm)
×
B19Width (mm)
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In stock
Technical specifications
| Brand | SNR |
| d - Internal diameter | 30 mm |
| D - External diameter | 72 mm |
| B - Bearing/Inner ring width | 19 mm |
| d2 - External diameter inner ring | 40,8 mm |
| D1 - Inner diameter outer ring | 59,7 mm |
| rs - Min fillet radius | 1,1 mm |
| Number of lubrication holes | 0 |
| b - Groove width | 0 mm |
| k - Hole diameter | 0 mm |
| Radial clearance class | CN |
| Mass | 0,394 kg |
| C - Dynamic load | 64600000 mN |
| C0 - Static load | 52100000 mN |
| Cu - Fatigue limit load | 6100000 mN |
| e - Coefficient | 0.28 |
| Y0 - Static axial load coefficient | 2.39 |
| Y1 - Lower axial load coefficient | 2.45 |
| Y2 - Upper axial load coefficient | 3.64 |
| N ref - Reference thermal speed | 46800 °/s |
| N lim - Mechanical Limit Speed | 72000 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 473,15 °K |
| BPFO - Over rolling frequency on outer ring (60 rpm) | 4,856 Hz |
| BPFI - Over rolling frequency on inner (60 rpm) | 7,144 Hz |
| BSF - Over rolling frequency on rolling element (60 rpm) | 4,973 Hz |
| BRF - Rotational frequency – rolling element (60 rpm) | 2,487 Hz |
| FTF - Rotational frequency - cage (60 rpm) | 0,405 Hz |
| da max - Max shoulder diameter IR | 0 mm |
| da min - Min shoulder diameter IR | 37 mm |
| Da max - Max shoulder diameter OR | 65 mm |
| ra max - Max shaft & housing fillet radius | 1 mm |
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SNR 21306V