SNR
Roulements à rouleaux coniques 30311A
Roulement SNR 30311A, Ø55×120×29 mm. Demandez un devis — expédition dans le monde entier.
Type Roulements à rouleaux coniques
Dimensions
Ø 55 × 120 × 29 mm
d55Ø alésage (mm)
×
D120Ø extérieur (mm)
×
B29Largeur (mm)
Demande de devis
En stock
Spécifications techniques
| Brand | SNR |
| d - Internal diameter | 55 mm |
| D - External diameter | 120 mm |
| B - Bearing/Inner ring width | 29 mm |
| C - Outer ring width | 25 mm |
| T - Total width | 31,5 mm |
| d1 - External diameter inner ring | 85,3 mm |
| a - Charge load application point | 24,9 mm |
| rs - Min fillet radius | 2,5 mm |
| r1s - Min fillet radius | 2 mm |
| Mass | 1,63 kg |
| C - Dynamic load | 168000000 mN |
| A2 - Rating life coefficient | 1 |
| C0 - Static load | 188000000 mN |
| Cu - Fatigue limit load | 22900000 mN |
| e - Coefficient | 0.35 |
| Y0 - Static axial load coefficient | 0.96 |
| Y2 - Upper axial load coefficient | 1.74 |
| N ref - Reference thermal speed | 25800 °/s |
| N lim - Mechanical Limit Speed | 36600 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| BPFO - Over rolling frequency on outer ring (60 rpm) | 6,567 Hz |
| BPFI - Over rolling frequency on inner (60 rpm) | 9,433 Hz |
| BSF - Over rolling frequency on rolling element (60 rpm) | 5,266 Hz |
| BRF - Rotational frequency – rolling element (60 rpm) | 2,633 Hz |
| FTF - Rotational frequency - cage (60 rpm) | 0,41 Hz |
| da max - Max shoulder diameter IR | 71 mm |
| db min - Min IR shoulder diameter | 65 mm |
| Da min - Min shoulder diameter OR | 104 mm |
| Da max - Max shoulder diameter OR | 110 mm |
| Db min - Min OR shoulder diameter | 111 mm |
| Ca - Min clearance | 4 mm |
| Cb - Min clearance | 6,5 mm |
| ra max - Max fillet radius | 2,5 mm |
| r1a - Max fillet radius | 2 mm |
Produits associés
SNR 30311A