Double row angular contact ball bearing, polyamide cage, snap ring and groove on outer diameter, shield on both sides
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Product information
| PRODUCT DEFINITION | |
|---|---|
| Brand | SNR |
| d - Internal diameter | 50 mm |
| D - External diameter | 90 mm |
| B - Bearing/Inner ring width | 30,2 mm |
| d1 - External diameter inner ring | 62 mm |
| D1 - Inner diameter outer ring | 80,6 mm |
| a - Charge load application point | 45,5 mm |
| α - Contact angle | 25 ° |
| a min - Min position Groove | 3,07 mm |
| a max - Max position groove | 3,28 mm |
| rs - Min fillet radius | 1,1 mm |
| rNs - Min fillet radius | 0,6 mm |
| D3 - Max bottom groove diameter | 86,79 mm |
| b min - Min groove width | 2,7 mm |
| b max - Max groove width | 3 mm |
| r0 max - Max bottom groove radius | 0,6 mm |
| D4 max - Max outer diameter of assembled stop ring | 96,5 mm |
| f - Stop ring thickness | 2,41 mm |
| Snap ring reference | R 90 |
| Radial clearance class | CN |
| Precision class | P0 |
| Mass | 0,76 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 48,5 kN |
| C0 - Static load | 42,2 kN |
| Cu - Fatigue limit load | 2,55 kN |
| f0 - Coefficient | 14.9 |
| N ref - Reference thermal speed | 5900 tr/min |
| N lim - Mechanical Limit Speed | 5600 tr/min |
| Tmin - Min operating temperature | -20 °C |
| Tmax - Max operating temperature | 120 °C |
| BEARING FREQUENCIES | |
|---|---|
| BPFO - Over rolling frequency on outer ring (60 rpm) | 4,191 Hz |
| BPFI - Over rolling frequency on inner (60 rpm) | 5,809 Hz |
| BSF - Over rolling frequency on rolling element (60 rpm) | 5,453 Hz |
| BRF - Rotational frequency – rolling element (60 rpm) | 2,727 Hz |
| FTF - Rotational frequency - cage (60 rpm) | 0,419 Hz |
| ABUTMENT | |
|---|---|
| da min - Min shoulder diameter IR | 56,5 mm |
| da max - Max shoulder diameter IR | 62 mm |
| Da max - Max shoulder diameter OR | 83,5 mm |
| Ca min - Mini segment position | 5,43 mm |
| Ca max - Max segment position | 5,74 mm |
| ra max - Max shaft & housing fillet radius | 1 mm |
| rNa max - Max fillet radius on segment side | 0,6 mm |
| Db min - Min stop ring position diameter | 97,9 mm |
