Dimension series
ISO 4FC ISO355 dimension series approx.
Boundary Dimensions
d 280 mm Bore diameter
D 420 mm Outside diameter
T 87 mm Total width
B 87 mm Width of inner ring
C 65 mm Width of outer ring
Cup r (min.) 4 mm Chamfer dimension of outer ring (Cup)
Cone r (min.) 5 mm Chamfer dimension of inner ring (Cone)
Basic Load Ratings
Cr 1450000 N Basic dynamic load rating
C0r 2240000 N Basic static load rating
Speeds
Grease 710 min-1 Grease lubrication
Oil (Oil-bath) 1000 min-1 Oil-bath lubrication
Dimensions
a 91.6 mm Effective load center
Abutment and Fillet Dimensions
da (min.) 307 mm Diameter of shaft abutment
Db (min.) 402 mm Diameter of housing abutment
Da (min.) 374 mm Diameter of housing abutment
Da (max.) 402 mm Diameter of housing abutment
Sa 14 mm Minimum width of space required in housing on large side face
Sb 22 mm Minimum width of space required in housing on small side face
db (max.) 305 mm Diameter of shaft abutment
ra (max.) 4 mm Radius of shaft or housing fillet of inner ring
ra (max.) 3 mm Radius of shaft or housing fillet of outer ring
Calculation factors
e 0.46 Constant
Y0 0.72 Axial load Factors
Y1 1.3 Axial load Factors
Mass
(approx.) 40.6 kg
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