NSK HR30203J
Dimension series
ISO 2DB ISO355 dimension series approx.
Boundary Dimensions
d 17 mm Bore diameter
D 40 mm Outside diameter
T 13.25 mm Total width
B 12 mm Width of inner ring
C 11 mm Width of outer ring
Cup r (min.) 1 mm Chamfer dimension of outer ring (Cup)
Cone r (min.) 1 mm Chamfer dimension of inner ring (Cone)
Basic Load Ratings
Cr 24800 N Basic dynamic load rating
C0r 19900 N Basic static load rating
Speeds
Grease 9500 min-1 Grease lubrication
Oil (Oil-bath) 13000 min-1 Oil-bath lubrication
Dimensions
a 9.7 mm Effective load center
Abutment and Fillet Dimensions
da (min.) 26 mm Diameter of shaft abutment
Db (min.) 37.5 mm Diameter of housing abutment
Da (min.) 34 mm Diameter of housing abutment
Da (max.) 34 mm Diameter of housing abutment
Sa 2 mm Minimum width of space required in housing on large side face
Sb 2 mm Minimum width of space required in housing on small side face
db (max.) 23 mm Diameter of shaft abutment
ra (max.) 1 mm Radius of shaft or housing fillet of inner ring
ra (max.) 1 mm Radius of shaft or housing fillet of outer ring
Calculation factors
e 0.35 Constant
Y0 0.96 Axial load Factors
Y1 1.7 Axial load Factors
Mass
(approx.) 0.079 kg