Self-aligning ball bearing, pressed steel cage, tapered bore, open
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Product information
| PRODUCT DEFINITION | |
|---|---|
| Brand | SNR |
| d - Internal diameter | 30 mm |
| D - External diameter | 72 mm |
| B - Bearing/Inner ring width | 19 mm |
| d1 - External diameter inner ring | 45,1 mm |
| D1 - Inner diameter outer ring | 58,6 mm |
| rs - Min fillet radius | 1,1 mm |
| Associated sleeve reference | H306 |
| Radial clearance class | C3 |
| Precision class | P0 |
| Mass | 0,381 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 20,9 kN |
| C0 - Static load | 6,3 kN |
| Cu - Fatigue limit load | 0,29 kN |
| e - Coefficient | 0.26 |
| Y0 - Static axial load coefficient | 2.58 |
| Y1 - Lower axial load coefficient | 2.46 |
| Y2 - Upper axial load coefficient | 3.8 |
| N ref - Reference thermal speed | 8800 tr/min |
| N lim - Mechanical Limit Speed | 13000 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) | 5,312 Hz |
| BPFI - Over rolling frequency on inner (60 rpm) | 7,688 Hz |
| BSF - Over rolling frequency on rolling element (60 rpm) | 5,211 Hz |
| BRF - Rotational frequency – rolling element (60 rpm) | 2,606 Hz |
| FTF - Rotational frequency - cage (60 rpm) | 0,409 Hz |
| ABUTMENT | |
|---|---|
| da min - Min shoulder diameter IR | 36,5 mm |
| da max - Max shoulder diameter IR | 42 mm |
| db - Min diameter for Sleeve | 33 mm |
| Ce - Min length fro Sleeve | 6 mm |
| Da max - Max shoulder diameter OR | 65,5 mm |
| ra max - Max shaft & housing fillet radius | 1 mm |
