KOYO
Roulements à rouleaux cylindriques NH311R
Bearing KOYO NH311R, Ø55×120×29 mm. Request a quote — worldwide shipping.
Type Roulements à rouleaux cylindriques
Dimensions
Ø 55 × 120 × 29 mm
d55Ø alésage (mm)
×
D120Ø extérieur (mm)
×
B29Largeur (mm)
Demande de devis
Spécifications techniques
| d | 55 mm |
| D | 120 mm |
| B | 29 mm |
| r(min.) | 2 mm |
| r1(min.) | 2 mm |
| Fw | 70.5 mm |
| Ew | - mm |
| Basic load ratings : Cr | 172 kN |
| Basic load ratings : C0r | 143 kN |
| Fatigue load limit : Cu | 19.8 kN |
| Limiting speeds(Grease lub.) | 5100 min-1 |
| Limiting speeds(Oil lub.) | 6700 min-1 |
| sd1 | 77.6 mm |
| B1 | 9 mm |
| B2 | 14 mm |
| da(min.) | 64 mm |
| db(min.) | - mm |
| db(max.) | - mm |
| dc(min.) | - mm |
| dd(min.) | - mm |
| Da(max.) | 111 mm |
| Db(max.) | - mm |
| Db(min.) | - mm |
| ra(max.) | 2 mm |
| rb(max.) | 2 mm |
| (Refer.)Mass | 1.735 kg |
Produits associés
KOYO NH311R