SNR
Roulements à billes à contact oblique 7208HG1UJ74
Roulement SNR 7208HG1UJ74, Ø40×80×18 mm. Demandez un devis — expédition dans le monde entier.
Type Roulements à billes à contact oblique
Dimensions
Ø 40 × 80 × 18 mm
d40Ø alésage (mm)
×
D80Ø extérieur (mm)
×
B18Largeur (mm)
Demande de devis
En stock
Spécifications techniques
| Brand | SNR |
| d - Internal diameter | 40 mm |
| D - External diameter | 80 mm |
| B - Bearing/Inner ring width | 18 mm |
| d1 - External diameter inner ring | 52,8 mm |
| D1 - Inner diameter outer ring | 67,6 mm |
| D2 - Inner diameter outer ring | 72,88 mm |
| a - Charge load application point | 23 mm |
| α - Contact angle | 25 ° |
| rs - Min fillet radius | 1,1 mm |
| r1s - Min fillet radius | 0,6 mm |
| Precision class | P4 |
| Mass | 0,37 kg |
| C - Dynamic load | 34600000 mN |
| C0 - Static load | 24100000 mN |
| Cu - Fatigue limit load | 1340000 mN |
| f0 - Coefficient | 14.449 |
| Axial displacement K Factor | 0.68 |
| Preload level | 7 |
| Preload value | 300000 mN |
| Axial rigidity | 140 N/µm |
| Radial rigidity | 298 N/µm |
| Tmin - Min operating temperature | 243,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| N lim - Oil lubrication limit speed | 144000 °/s |
| N lim - Grease lubrication limit speed | 96000 °/s |
| BPFO - Over rolling frequency on outer ring (60 rpm) | 5,331 Hz |
| BPFI - Over rolling frequency on inner (60 rpm) | 7,669 Hz |
| BSF - Over rolling frequency on rolling element (60 rpm) | 4,876 Hz |
| BRF - Rotational frequency – rolling element (60 rpm) | 2,438 Hz |
| FTF - Rotational frequency - cage (60 rpm) | 0,41 Hz |
| da min - Min shoulder diameter IR | 47 mm |
| db min - Min IR shoulder diameter | 47 mm |
| Da max - Max shoulder diameter OR | 73 mm |
| Db max - Max OR shoulder diameter | 73 mm |
| r1a - Max fillet radius | 0,6 mm |
| ra max - Max shaft & housing fillet radius | 1 mm |
Produits associés
SNR 7208HG1UJ74