SNR
Roulements à billes à contact oblique 71909HVUJ84
Roulement SNR 71909HVUJ84, Ø45×68×12 mm. Demandez un devis — expédition dans le monde entier.
Type Roulements à billes à contact oblique
Dimensions
Ø 45 × 68 × 12 mm
d45Ø alésage (mm)
×
D68Ø extérieur (mm)
×
B12Largeur (mm)
Demande de devis
En stock
Spécifications techniques
| Brand | SNR |
| d - Internal diameter | 45 mm |
| D - External diameter | 68 mm |
| B - Bearing/Inner ring width | 12 mm |
| d1 - External diameter inner ring | 52,3 mm |
| D1 - Inner diameter outer ring | 60,7 mm |
| D2 - Inner diameter outer ring | 63,62 mm |
| a - Charge load application point | 19 mm |
| α - Contact angle | 25 ° |
| rs - Min fillet radius | 0,6 mm |
| r1s - Min fillet radius | 0,3 mm |
| Precision class | P4 |
| Mass | 0,128 kg |
| C - Dynamic load | 13700000 mN |
| C0 - Static load | 12000000 mN |
| Cu - Fatigue limit load | 690000 mN |
| f0 - Coefficient | 16.355 |
| Axial displacement K Factor | 0.62 |
| Preload level | 8 |
| Preload value | 360000 mN |
| Axial rigidity | 172 N/µm |
| Radial rigidity | 341 N/µm |
| Tmin - Min operating temperature | 243,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| N lim - Oil lubrication limit speed | 168000 °/s |
| N lim - Grease lubrication limit speed | 111000 °/s |
| BPFO - Over rolling frequency on outer ring (60 rpm) | 8,981 Hz |
| BPFI - Over rolling frequency on inner (60 rpm) | 11,019 Hz |
| BSF - Over rolling frequency on rolling element (60 rpm) | 8,805 Hz |
| BRF - Rotational frequency – rolling element (60 rpm) | 4,403 Hz |
| FTF - Rotational frequency - cage (60 rpm) | 0,449 Hz |
| da min - Min shoulder diameter IR | 49,5 mm |
| db min - Min IR shoulder diameter | 49,5 mm |
| Da max - Max shoulder diameter OR | 63,5 mm |
| Db max - Max OR shoulder diameter | 63,5 mm |
| r1a - Max fillet radius | 0,3 mm |
| ra max - Max shaft & housing fillet radius | 0,6 mm |
Produits associés
SNR 71909HVUJ84