Boundary Dimensions
d 45 mm Bore diameter
D 85 mm Outside diameter
B 19 mm Width
FW 54.5 mm Raceway diameter of inner ring
r (min.) 1.1 mm Chamfer dimension
r1 (min.) 1.1 mm Chamfer dimension
Basic Load Ratings
ZWZ LYC C&U TWB TMB HRB LS NSK FAG ROLLWAY
Cr 77500 N Basic dynamic load rating
C0r 66500 N Basic static load rating
Speeds
Thermal Speed Rating (Oil-bath) 8500 min-1 Oil-bath lubrication subject to conditions outlined in ISO 15312
Mechanical (forced-circulation oil) 10000 min-1 Properly designed and controlled forced-circulation oil lubrication
Grease 6700 min-1 Grease lubrication
Oil (Oil-bath) 8000 min-1 Oil-bath lubrication
Abutment and Fillet Dimensions
db (min.) 51.5 mm Diameter of shaft / spacer sleeve abutment
db (max.) 52 mm Diameter of shaft / spacer sleeve abutment
dc (min.) 57 mm Diameter of shaft abutment
Da (max.) 78.5 mm Diameter of housing abutment
ra (max.) 1 mm Radius of shaft or housing fillet
rb (max.) 1 mm Radius of shaft or housing fillet
Mass
(approx.) 0.425 kg
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