NSK 21308EAKE4
Spherical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
21308EAKE4
Boundary Dimensions
d
40
mm
Bore diameter
D
90
mm
Outside diameter
B
23
mm
Width
r (min.)
1.5
mm
Chamfer dimension
Basic Load Ratings
Cr
118000
N
Basic dynamic load rating
C0r
111000
N
Basic static load rating
Speeds
Thermal Speed Rating (Oil-bath)
6700
min-1
Oil-bath lubrication subject to conditions outlined in ISO 15312
Mechanical (forced-circulation oil)
11000
min-1
Properly designed and controlled forced-circulation oil lubrication
Grease
6000
min-1
Grease lubrication
Oil (Oil-bath)
7500
min-1
Oil-bath lubrication
da (min.)
49
mm
Diameter of shaft abutment
da (max.)
55
mm
Diameter of shaft abutment
Da (min.)
75
mm
Diameter of housing abutment
Da (max.)
81
mm
Diameter of housing abutment
ra (max.)
1.5
mm
Radius of shaft or housing fillet
Abutment and Fillet Dimensions
e
0.25
Constant
Y2
3.9
Axial load Factors
Y3
2.7
Axial load Factors
Y0
2.6
Axial load Factors
