NSK NJ224EM
Single-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
NJ224EM
Boundary Dimensions
d
120
mm
Bore diameter
D
215
mm
Outside diameter
B
40
mm
Width
FW
143.5
mm
Raceway diameter of inner ring
r (min.)
2.1
mm
Chamfer dimension
r1 (min.)
2.1
mm
Chamfer dimension
Basic Load Ratings
Cr
410000
N
Basic dynamic load rating
C0r
420000
N
Basic static load rating
Speeds
Thermal Speed Rating (Oil-bath)
3600
min-1
Oil-bath lubrication subject to conditions outlined in ISO 15312
Mechanical (forced-circulation oil)
5300
min-1
Properly designed and controlled forced-circulation oil lubrication
Grease
3000
min-1
Grease lubrication
Oil (Oil-bath)
3400
min-1
Oil-bath lubrication
db (min.)
131
mm
Diameter of shaft / spacer sleeve abutment
db (max.)
140
mm
Diameter of shaft / spacer sleeve abutment
dd (min.)
156
mm
Diameter of shaft abutment
Da (max.)
204
mm
Diameter of housing abutment
ra (max.)
2
mm
Radius of shaft or housing fillet
Abutment and Fillet Dimensions
Mass approx.
6.51
kg
Mass approx.
