NSK NF238M
Single-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
NF238M
Boundary Dimensions
d
190
mm
Bore diameter
D
340
mm
Outside diameter
B
55
mm
Width
EW
299
mm
Raceway diameter of outer ring
r (min.)
4
mm
Chamfer dimension
r1 (min.)
4
mm
Chamfer dimension
Basic Load Ratings
Cr
685000
N
Basic dynamic load rating
C0r
770000
N
Basic static load rating
Speeds
Thermal Speed Rating (Oil-bath)
2200
min-1
Oil-bath lubrication subject to conditions outlined in ISO 15312
Grease
1800
min-1
Grease lubrication
Oil (Oil-bath)
2200
min-1
Oil-bath lubrication
da (min.)
206
mm
Diameter of shaft abutment
Db (min.)
305
mm
Diameter of housing abutment
Da (max.)
324
mm
Diameter of housing abutment
Db (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.
22.6
kg
Mass approx.
