NSK NJ340EM
Single-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
NJ340EM
Boundary Dimensions
d
200
mm
Bore diameter
D
420
mm
Outside diameter
B
80
mm
Width
FW
258
mm
Raceway diameter of inner ring
r (min.)
5
mm
Chamfer dimension
r1 (min.)
5
mm
Chamfer dimension
Basic Load Ratings
Cr
1400000
N
Basic dynamic load rating
C0r
1450000
N
Basic static load rating
Speeds
Thermal Speed Rating (Oil-bath)
1500
min-1
Oil-bath lubrication subject to conditions outlined in ISO 15312
Mechanical (forced-circulation oil)
2600
min-1
Properly designed and controlled forced-circulation oil lubrication
Grease
1300
min-1
Grease lubrication
Oil (Oil-bath)
1600
min-1
Oil-bath lubrication
db (min.)
220
mm
Diameter of shaft / spacer sleeve abutment
db (max.)
252
mm
Diameter of shaft / spacer sleeve abutment
dd (min.)
283
mm
Diameter of shaft abutment
Da (max.)
400
mm
Diameter of housing abutment
ra (max.)
4
mm
Radius of shaft or housing fillet
Abutment and Fillet Dimensions
Mass approx.
57
kg
Mass approx.
