Boundary Dimensions
d
20
mm
Bore diameter
D
52
mm
Outside diameter
B
15
mm
Width
FW
27.5
mm
Raceway diameter of inner ring
r (min.)
1.1
mm
Chamfer dimension
r1 (min.)
0.6
mm
Chamfer dimension
Basic Load Ratings
Cr
39000
N
Basic dynamic load rating
C0r
26900
N
Basic static load rating
Speeds
Thermal Speed Rating (Oil-bath)
13000
min-1
Oil-bath lubrication subject to conditions outlined in ISO 15312
Mechanical (forced-circulation oil)
18000
min-1
Properly designed and controlled forced-circulation oil lubrication
Grease
12000
min-1
Grease lubrication
Oil (Oil-bath)
15000
min-1
Oil-bath lubrication
Abutment and Fillet Dimensions
da (min.)
26.5
mm
Diameter of shaft abutment
dd (min.)
33
mm
Diameter of shaft abutment
Da (max.)
45.5
mm
Diameter of housing abutment
ra (max.)
1
mm
Radius of shaft or housing fillet
rb (max.)
0.6
mm
Radius of shaft or housing fillet
Mass
(approx.)
0.153
kg
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