ZWZ NU304ET

Boundary Dimensions
d 20 mm Bore diameter
D 52 mm Outside diameter
B 15 mm Width
FW 27.5 mm Raceway diameter of inner ring
r (min.) 1.1 mm Chamfer dimension
r1 (min.) 0.6 mm Chamfer dimension
Basic Load Ratings
Cr 39000 N Basic dynamic load rating
C0r 26900 N Basic static load rating
Speeds 
Thermal Speed Rating (Oil-bath) 13000 min-1 Oil-bath lubrication subject to conditions outlined in ISO 15312
Mechanical (forced-circulation oil) 18000 min-1 Properly designed and controlled forced-circulation oil lubrication
Grease 12000 min-1 Grease lubrication
Oil (Oil-bath) 15000 min-1 Oil-bath lubrication
Abutment and Fillet Dimensions
db (min.) 24 mm Diameter of shaft / spacer sleeve abutment
db (max.) 26 mm Diameter of shaft / spacer sleeve abutment
dc (min.) 30 mm Diameter of shaft abutment
Da (max.) 45.5 mm Diameter of housing abutment
ra (max.) 1 mm Radius of shaft or housing fillet
rb (max.) 0.6 mm Radius of shaft or housing fillet
Mass
(approx.) 0.147 kg

<>ZWZ NU304ET