SNR
Spherical roller bearings 21308VK
Bearing SNR 21308VK, Ø40×90×23 mm. Request a quote — worldwide shipping.
Type Spherical roller bearings
Dimensions
Ø 40 × 90 × 23 mm
d40Bore Ø (mm)
×
D90Outer Ø (mm)
×
B23Width (mm)
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In stock
Technical specifications
| Brand | SNR |
| d - Internal diameter | 40 mm |
| D - External diameter | 90 mm |
| B - Bearing/Inner ring width | 23 mm |
| d2 - External diameter inner ring | 53,5 mm |
| D1 - Inner diameter outer ring | 75,4 mm |
| rs - Min fillet radius | 1,5 mm |
| Number of lubrication holes | 0 |
| b - Groove width | 0 mm |
| k - Hole diameter | 0 mm |
| Associated sleeve reference | H308 |
| Radial clearance class | CN |
| Mass | 0,705 kg |
| C - Dynamic load | 97700000 mN |
| C0 - Static load | 86700000 mN |
| Cu - Fatigue limit load | 10600000 mN |
| e - Coefficient | 0.26 |
| Y0 - Static axial load coefficient | 2.5 |
| Y1 - Lower axial load coefficient | 2.55 |
| Y2 - Upper axial load coefficient | 3.8 |
| N ref - Reference thermal speed | 38400 °/s |
| N lim - Mechanical Limit Speed | 55800 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 473,15 °K |
| BPFO - Over rolling frequency on outer ring (60 rpm) | 5,797 Hz |
| BPFI - Over rolling frequency on inner (60 rpm) | 8,203 Hz |
| BSF - Over rolling frequency on rolling element (60 rpm) | 5,561 Hz |
| BRF - Rotational frequency – rolling element (60 rpm) | 2,781 Hz |
| FTF - Rotational frequency - cage (60 rpm) | 0,414 Hz |
| da max - Max shoulder diameter IR | 0 mm |
| da min - Min shoulder diameter IR | 49 mm |
| db - Min diameter for Sleeve | 44 mm |
| Ce - Min length fro Sleeve | 5 mm |
| Da max - Max shoulder diameter OR | 81 mm |
| ra max - Max shaft & housing fillet radius | 1,5 mm |
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SNR 21308VK