SNR
Roulements à rotule sur rouleaux 21311V
Roulement SNR 21311V, Ø55×120×29 mm. Demandez un devis — expédition dans le monde entier.
Type Roulements à rotule sur rouleaux
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 |
| d2 - External diameter inner ring | 73,6 mm |
| D1 - Inner diameter outer ring | 102 mm |
| rs - Min fillet radius | 2 mm |
| Number of lubrication holes | 0 |
| b - Groove width | 0 mm |
| k - Hole diameter | 0 mm |
| Radial clearance class | CN |
| Mass | 1,537 kg |
| C - Dynamic load | 172000000 mN |
| C0 - Static load | 164000000 mN |
| Cu - Fatigue limit load | 20000000 mN |
| e - Coefficient | 0.24 |
| Y0 - Static axial load coefficient | 2.76 |
| Y1 - Lower axial load coefficient | 2.83 |
| Y2 - Upper axial load coefficient | 4.21 |
| N ref - Reference thermal speed | 30000 °/s |
| N lim - Mechanical Limit Speed | 41400 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 473,15 °K |
| BPFO - Over rolling frequency on outer ring (60 rpm) | 6,26 Hz |
| BPFI - Over rolling frequency on inner (60 rpm) | 8,74 Hz |
| BSF - Over rolling frequency on rolling element (60 rpm) | 5,81 Hz |
| BRF - Rotational frequency – rolling element (60 rpm) | 2,905 Hz |
| FTF - Rotational frequency - cage (60 rpm) | 0,417 Hz |
| da max - Max shoulder diameter IR | 0 mm |
| da min - Min shoulder diameter IR | 66 mm |
| Da max - Max shoulder diameter OR | 109 mm |
| ra max - Max shaft & housing fillet radius | 2 mm |
Produits associés
SNR 21311V