ZWZ NU311EW

Boundary Dimensions
d 55 mm Bore diameter
D 120 mm Outside diameter
B 29 mm Width
FW 70.5 mm Raceway diameter of inner ring
r (min.) 2 mm Chamfer dimension
r1 (min.) 2 mm Chamfer dimension
Basic Load Ratings
Cr 169000 N Basic dynamic load rating
C0r 143000 N Basic static load rating
Speeds 
Thermal Speed Rating (Oil-bath) 6000 min-1 Oil-bath lubrication subject to conditions outlined in ISO 15312
Mechanical (forced-circulation oil) 9000 min-1 Properly designed and controlled forced-circulation oil lubrication
Grease 4500 min-1 Grease lubrication
Oil (Oil-bath) 5600 min-1 Oil-bath lubrication
Abutment and Fillet Dimensions
db (min.) 64 mm Diameter of shaft / spacer sleeve abutment
db (max.) 68 mm Diameter of shaft / spacer sleeve abutment
dc (min.) 72 mm Diameter of shaft abutment
Da (max.) 111 mm Diameter of housing abutment
ra (max.) 2 mm Radius of shaft or housing fillet
rb (max.) 2 mm Radius of shaft or housing fillet
Mass
(approx.) 1463 kg

<>ZWZ NU311EW