Boundary Dimensions
d
55
mm
Bore diameter
D
120
mm
Outside diameter
B
43
mm
Width
FW
70.5
mm
Raceway diameter of inner ring
r (min.)
2
mm
Chamfer dimension
r1 (min.)
2
mm
Chamfer dimension
Basic Load Ratings
Cr
247000
N
Basic dynamic load rating
C0r
233000
N
Basic static load rating
Speeds
Thermal Speed Rating (Oil-bath)
6000
min-1
Oil-bath lubrication subject to conditions outlined in ISO 15312
Mechanical (forced-circulation oil)
9000
min-1
Properly designed and controlled forced-circulation oil lubrication
Grease
4500
min-1
Grease lubrication
Oil (Oil-bath)
5600
min-1
Oil-bath lubrication
Abutment and Fillet Dimensions
da (min.)
64
mm
Diameter of shaft abutment
dd (min.)
80
mm
Diameter of shaft abutment
Da (max.)
111
mm
Diameter of housing abutment
ra (max.)
2
mm
Radius of shaft or housing fillet
rb (max.)
2
mm
Radius of shaft or housing fillet
Mass
(approx.)
2.57
kg
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