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21304CDKE4

Spherical Roller Bearings

21304CDKE4

Spherical Roller Bearings

main product photo
Images shown are representations. Designs and specifications may differ from actual products.
Grouped product items
Parts Number
21304CDKE4
21304CDKE4C3
21304CDKE4C2
21304CDKE4C4
21304CDKE4C5
Display units

Designations

21304CDKE4

Boundary Dimensions

d 20 mm Bore diameter
D 52 mm Outside diameter
B 15 mm Width
r (min.) 1.1 mm Chamfer dimension

Basic Load Ratings

Cr 29300 N Basic dynamic load rating
C0r 26900 N Basic static load rating

Speeds

Thermal Speed Rating (Oil-bath) 10000 min-1 Oil-bath lubrication subject to conditions outlined in ISO 15312
Grease 6300 min-1 Grease lubrication
Oil (Oil-bath) 8200 min-1 Oil-bath lubrication

Abutment and Fillet Dimensions

da (min.) 27 mm Diameter of shaft abutment
da (max.) 28 mm Diameter of shaft abutment
Da (min.) 42 mm Diameter of housing abutment
Da (max.) 45 mm Diameter of housing abutment
ra (max.) 1 mm Radius of shaft or housing fillet

Calculation factors

e 0.31 Constant
Y2 3.2 Axial load Factors
Y3 2.1 Axial load Factors
Y0 2.1 Axial load Factors

Mass

Mass approx. 0.17 kg Mass approx.
CAD
More Information
NSK Product Type2 SRB_CTB
NSK Product Type Bearing

© NSK Ltd.

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