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Dimension series
ISO 4FD ISO355 dimension series approx.
Boundary Dimensions
d 220 mm Bore diameter
D 340 mm Outside diameter
T 76 mm Total width
B 72 mm Width of inner ring
C 62 mm Width of outer ring
Cup r (min.) 3 mm Chamfer dimension of outer ring (Cup)
Cone r (min.) 4 mm Chamfer dimension of inner ring (Cone)
Basic Load Ratings
Cr 7150000 N Basic dynamic load rating
C0r 1270000 N Basic static load rating
Speeds 
Grease 950 min-1 Grease lubrication
Oil (Oil-bath) 1300 min-1 Oil-bath lubrication
Dimensions
a 73.6 mm Effective load center
Abutment and Fillet Dimensions
da (min.) 241 mm Diameter of shaft abutment
Db (min.) 326 mm Diameter of housing abutment
Da (min.) 303 mm Diameter of housing abutment
Da (max.) 326 mm Diameter of housing abutment
Sa 12 mm Minimum width of space required in housing on large side face
Sb 19 mm Minimum width of space required in housing on small side face
db (max.) 244 mm Diameter of shaft abutment
ra (max.) 3 mm Radius of shaft or housing fillet of inner ring
ra (max.) 2.5 mm Radius of shaft or housing fillet of outer ring
Calculation factors
e 0.37  Constant
Y0 0.88  Axial load Factors
Y1 1.6 Axial load Factors
Mass
(approx.) 23.1 kg
32044 bearing
We also offer the following brands
ZWZ LYC C&U TWB TMB HRB LS NSK

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