NSK NJ318ET7
Single-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
NJ318ET7
Boundary Dimensions
d
90
mm
Bore diameter
D
190
mm
Outside diameter
B
43
mm
Width
FW
113.5
mm
Raceway diameter of inner ring
r (min.)
3
mm
Chamfer dimension
r1 (min.)
3
mm
Chamfer dimension
Basic Load Ratings
Cr
390000
N
Basic dynamic load rating
C0r
355000
N
Basic static load rating
Speeds
Thermal Speed Rating (Oil-bath)
4000
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
3200
min-1
Grease lubrication
Oil (Oil-bath)
3800
min-1
Oil-bath lubrication
db (min.)
103
mm
Diameter of shaft / spacer sleeve abutment
db (max.)
111
mm
Diameter of shaft / spacer sleeve abutment
dd (min.)
127
mm
Diameter of shaft abutment
Da (max.)
177
mm
Diameter of housing abutment
ra (max.)
2.5
mm
Radius of shaft or housing fillet
Abutment and Fillet Dimensions
Mass approx.
5.41
kg
Mass approx.
