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22308EAE4

Spherical Roller Bearings

22308EAE4

Spherical Roller Bearings

main product photo
Images shown are representations. Designs and specifications may differ from actual products.
Parts Number
22308EAE4C3
Display units

Parts Number

22308EAE4C3

Boundary Dimensions

d 40 mm Bore diameter
D 90 mm Outside diameter
B 33 mm Width
r (min.) 1.5 mm Chamfer dimension

Basic Load Ratings

Cr 170000 N Basic dynamic load rating
C0r 153000 N Basic static load rating

Speeds

Thermal Speed Rating (Oil-bath) 5600 min-1 Oil-bath lubrication subject to conditions outlined in ISO 15312
Mechanical (forced-circulation oil) 9000 min-1 Properly designed and controlled forced-circulation oil lubrication
Grease 5300 min-1 Grease lubrication
Oil (Oil-bath) 6700 min-1 Oil-bath lubrication

Abutment and Fillet Dimensions

da (min.) 49 mm Diameter of shaft abutment
da (max.) 52 mm Diameter of shaft abutment
Da (min.) 77 mm Diameter of housing abutment
Da (max.) 81 mm Diameter of housing abutment
ra (max.) 1.5 mm Radius of shaft or housing fillet

Calculation factors

e 0.35 Constant
Y2 2.8 Axial load Factors
Y3 1.9 Axial load Factors
Y0 1.9 Axial load Factors

Mass

Mass approx. 0.98 kg Mass approx.
CAD
Designations Boundary Dimensions Basic Load Ratings Radial Internal Clearance Tolerance Class Speeds Mass
Limiting Speeds
d
(mm)		 D
(mm)		 B
(mm)		 Cr
(N)		 C0r
(N)		 min
 max
 Thermal Speed Rating (Oil-bath)
(min-1)		 Mechanical (forced-circulation oil)
(min-1)		 Grease
(min-1)		 Oil (Oil-bath)
(min-1)		 (kg)
22308EAE4 40 90 33 170000 153000 P0 5600 9000 5300 6700 0.98

Not to scale.
(*) The chamfer dimensions are minimum values.
Suffix K and K30 represents bearings with tapered bores (taper 1:12 or 1:30).

More Information
NSK Product Type2 SRB_CTB
NSK Product Type Bearing

© NSK Ltd.

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