NSK 21320CKE4
Spherical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
21320CKE4
Boundary Dimensions
d
100
mm
Bore diameter
D
215
mm
Outside diameter
B
47
mm
Width
r (min.)
3
mm
Chamfer dimension
Basic Load Ratings
Cr
495000
N
Basic dynamic load rating
C0r
485000
N
Basic static load rating
Speeds
Thermal Speed Rating (Oil-bath)
3400
min-1
Oil-bath lubrication subject to conditions outlined in ISO 15312
Mechanical (forced-circulation oil)
4500
min-1
Properly designed and controlled forced-circulation oil lubrication
Grease
1400
min-1
Grease lubrication
Oil (Oil-bath)
1900
min-1
Oil-bath lubrication
da (min.)
114
mm
Diameter of shaft abutment
da (max.)
133
mm
Diameter of shaft abutment
Da (min.)
184
mm
Diameter of housing abutment
Da (max.)
201
mm
Diameter of housing abutment
ra (max.)
2.5
mm
Radius of shaft or housing fillet
Abutment and Fillet Dimensions
e
0.21
Constant
Y2
4.7
Axial load Factors
Y3
3.2
Axial load Factors
Y0
3.1
Axial load Factors
