NSK NU238EM
Single-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
NU238EM
Boundary Dimensions
d
190
mm
Bore diameter
D
340
mm
Outside diameter
B
55
mm
Width
FW
230
mm
Raceway diameter of inner ring
r (min.)
4
mm
Chamfer dimension
r1 (min.)
4
mm
Chamfer dimension
Basic Load Ratings
Cr
855000
N
Basic dynamic load rating
C0r
955000
N
Basic static load rating
Speeds
Thermal Speed Rating (Oil-bath)
2000
min-1
Oil-bath lubrication subject to conditions outlined in ISO 15312
Mechanical (forced-circulation oil)
3400
min-1
Properly designed and controlled forced-circulation oil lubrication
Grease
1800
min-1
Grease lubrication
Oil (Oil-bath)
2200
min-1
Oil-bath lubrication
db (min.)
206
mm
Diameter of shaft / spacer sleeve abutment
db (max.)
225
mm
Diameter of shaft / spacer sleeve abutment
dc (min.)
234
mm
Diameter of shaft abutment
Da (max.)
324
mm
Diameter of housing abutment
ra (max.)
3
mm
Radius of shaft or housing fillet
rb (max.)
3
mm
Radius of shaft or housing fillet
Abutment and Fillet Dimensions
Mass approx.
22.5
kg
Mass approx.
