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21307CDKE4

Spherical Roller Bearings

21307CDKE4

Spherical Roller Bearings

main product photo
Images shown are representations. Designs and specifications may differ from actual products.
Grouped product items
Parts Number
21307CDKE4
21307CDKE4C3
21307CDKE4C2
21307CDKE4C4
21307CDKE4C5
Display units

Designations

21307CDKE4

Boundary Dimensions

d 35 mm Bore diameter
D 80 mm Outside diameter
B 21 mm Width
r (min.) 1.5 mm Chamfer dimension

Basic Load Ratings

Cr 71500 N Basic dynamic load rating
C0r 76000 N Basic static load rating

Speeds

Thermal Speed Rating (Oil-bath) 7100 min-1 Oil-bath lubrication subject to conditions outlined in ISO 15312
Grease 4000 min-1 Grease lubrication
Oil (Oil-bath) 5300 min-1 Oil-bath lubrication

Abutment and Fillet Dimensions

da (min.) 44 mm Diameter of shaft abutment
da (max.) 47 mm Diameter of shaft abutment
Da (min.) 67 mm Diameter of housing abutment
Da (max.) 71 mm Diameter of housing abutment
ra (max.) 1.5 mm Radius of shaft or housing fillet

Calculation factors

e 0.28 Constant
Y2 3.6 Axial load Factors
Y3 2.4 Axial load Factors
Y0 2.4 Axial load Factors

Mass

Mass approx. 0.53 kg Mass approx.

Associated products

Adapter H307X Adapter
CAD
More Information
NSK Product Type2 SRB_CTB
NSK Product Type Bearing

© NSK Ltd.

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