NTN
Roulements à rouleaux cylindriques NF309
Roulement NTN NF309, Ø45×100×25 mm. Demandez un devis — expédition dans le monde entier.
Type Roulements à rouleaux cylindriques
Dimensions
Ø 45 × 100 × 25 mm
d45Ø alésage (mm)
×
D100Ø extérieur (mm)
×
B25Largeur (mm)
Demande de devis
En stock
Spécifications techniques
| Brand | NTN |
| d - Internal diameter | 45 mm |
| D - External diameter | 100 mm |
| B - Bearing/Inner ring width | 25 mm |
| E - Upper roller diameter | 88,5 mm |
| F - Under roller diameter | 58,5 mm |
| d1 - IR flange outer diameter | 64 mm |
| rNs - Min fillet radius | 1,5 mm |
| rs - Min fillet radius | 1,5 mm |
| Radial clearance class | CN |
| C - Dynamic load | 82000000 mN |
| C0 - Static load | 71000000 mN |
| Cu - Fatigue limit load | 8650000 mN |
| N lim - Oil lubrication limit speed | 54600 °/s |
| N lim - Grease lubrication limit speed | 39000 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da min - Min shoulder diameter IR | 53 mm |
| dc min - Min inner ring GO diameter | 60 mm |
| Da max - Max shoulder diameter OR | 92 mm |
| Db min - Small face shoulder min diameter | 90,5 mm |
| ra max - Max fillet radius | 1,5 mm |
| r1a - Max fillet radius | 1,5 mm |
NTN NF309