Self-aligning ball bearing, pressed steel cage, tapered bore, open
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Product information
| PRODUCT DEFINITION | |
|---|---|
| Brand | SNR |
| d - Internal diameter | 45 mm |
| D - External diameter | 85 mm |
| B - Bearing/Inner ring width | 23 mm |
| d1 - External diameter inner ring | 57,7 mm |
| D1 - Inner diameter outer ring | 71,8 mm |
| rs - Min fillet radius | 1,1 mm |
| Associated sleeve reference | H309 |
| Radial clearance class | C3 |
| Precision class | P0 |
| Mass | 0,55 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 23 kN |
| C0 - Static load | 8,2 kN |
| Cu - Fatigue limit load | 0,37 kN |
| e - Coefficient | 0.31 |
| Y0 - Static axial load coefficient | 2.16 |
| Y1 - Lower axial load coefficient | 2.06 |
| Y2 - Upper axial load coefficient | 3.19 |
| N ref - Reference thermal speed | 8100 tr/min |
| N lim - Mechanical Limit Speed | 10000 tr/min |
| Tmin - Min operating temperature | -40 °C |
| Tmax - Max operating temperature | 120 °C |
| BEARING FREQUENCIES | |
|---|---|
| BPFO - Over rolling frequency on outer ring (60 rpm) | 7,698 Hz |
| BPFI - Over rolling frequency on inner (60 rpm) | 10,302 Hz |
| BSF - Over rolling frequency on rolling element (60 rpm) | 6,63 Hz |
| BRF - Rotational frequency – rolling element (60 rpm) | 3,315 Hz |
| FTF - Rotational frequency - cage (60 rpm) | 0,428 Hz |
| ABUTMENT | |
|---|---|
| da min - Min shoulder diameter IR | 51,5 mm |
| da max - Max shoulder diameter IR | 56 mm |
| db - Min diameter for Sleeve | 50 mm |
| Ce - Min length fro Sleeve | 8 mm |
| Da max - Max shoulder diameter OR | 78,5 mm |
| ra max - Max shaft & housing fillet radius | 1 mm |
