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Boundary Dimensions
d 20 mm Bore diameter
D 42 mm Outside diameter
B 12 mm Width
r (min.) 0.6 mm Chamfer dimension
r1 (min.) 0.3 mm Chamfer dimension
Basic Load Ratings
Cr 11900 N Basic dynamic load rating
C0r 6600 N Basic static load rating
Speeds 
Grease 14000 min-1 Grease lubrication
Oil (Oil-bath) 20000 min-1 Oil-bath lubrication
Dimensions
a 14.9 mm Effective load center
Abutment and Fillet Dimensions
da (min.) 25 mm Diameter of shaft abutment
Da (max.) 37 mm Diameter of housing abutment
ra (max.) 0.6 mm Radius of shaft or housing fillet
Mass
(approx.) 0.068 kg
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Properties
Types 70 series
Contact angle A: 30°
Cage W: Pressed steel cage

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