KOYO
Roulements à rouleaux coniques 3979/20
Bearing KOYO 3979/20, Ø57.15×112.712×30.048 mm. Request a quote — worldwide shipping.
Type Roulements à rouleaux coniques
Dimensions
Ø 57,15 × 112,712 × 30,048 mm
d57,15Ø alésage (mm)
×
D112,712Ø extérieur (mm)
×
B30,048Largeur (mm)
Demande de devis
Spécifications techniques
| d | 57.150 mm |
| D | 112.712 mm |
| T | 30.162 mm |
| B | 30.048 mm |
| C | 23.812 mm |
| r(min.) | 3.6 mm |
| r1(min.) | 3.2 mm |
| Basic load ratings : Cr | 139 kN |
| Basic load ratings : C0r | 164 kN |
| Fatigue load limit : Cu | 25.1 kN |
| Limiting speeds(Grease lub.) | 3400 min-1 |
| Limiting speeds(Oil lub.) | 4500 min-1 |
| Load center spread : a | 25.9 mm |
| Constant :e | 0.40 |
| Axial load factors : Y1 | 1.49 |
| Axial load factors : Y0 | 0.82 |
| da | 72.0 mm |
| db | 66.0 mm |
| Da | 99.0 mm |
| Db | 106.0 mm |
| ra(max.) | 3.6 mm |
| rb(max.) | 3.2 mm |
| (Refer.)Mass | 1.364 kg |
Produits associés
KOYO 3979/20