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21305CDKE4

Spherical Roller Bearings

21305CDKE4

Spherical Roller Bearings

main product photo
Images shown are representations. Designs and specifications may differ from actual products.
Parts Number
21305CDKE4C2
Display units

Parts Number

21305CDKE4C2

Boundary Dimensions

d 25 mm Bore diameter
D 62 mm Outside diameter
B 17 mm Width
r (min.) 1.1 mm Chamfer dimension

Basic Load Ratings

Cr 43000 N Basic dynamic load rating
C0r 40500 N Basic static load rating

Speeds

Thermal Speed Rating (Oil-bath) 9000 min-1 Oil-bath lubrication subject to conditions outlined in ISO 15312
Grease 5300 min-1 Grease lubrication
Oil (Oil-bath) 6700 min-1 Oil-bath lubrication

Abutment and Fillet Dimensions

da (min.) 32 mm Diameter of shaft abutment
da (max.) 34 mm Diameter of shaft abutment
Da (min.) 51 mm Diameter of housing abutment
Da (max.) 55 mm Diameter of housing abutment
ra (max.) 1 mm Radius of shaft or housing fillet

Calculation factors

e 0.29 Constant
Y2 3.4 Axial load Factors
Y3 2.3 Axial load Factors
Y0 2.3 Axial load Factors

Mass

Mass approx. 0.26 kg Mass approx.

Associated products

Adapter H305X Adapter
CAD
More Information
NSK Product Type2 SRB_CTB
NSK Product Type Bearing

© NSK Ltd.

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