NSK 21307CDKE4
Spherical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
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
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
Abutment and Fillet Dimensions
e
0.28
Constant
Y2
3.6
Axial load Factors
Y3
2.4
Axial load Factors
Y0
2.4
Axial load Factors
