NSK N304W
Single-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
N304W
Boundary Dimensions
d
20
mm
Bore diameter
D
52
mm
Outside diameter
B
15
mm
Width
EW
44.5
mm
Raceway diameter of outer ring
r (min.)
1.1
mm
Chamfer dimension
r1 (min.)
0.6
mm
Chamfer dimension
Basic Load Ratings
Cr
26300
N
Basic dynamic load rating
C0r
17300
N
Basic static load rating
Speeds
Thermal Speed Rating (Oil-bath)
14000
min-1
Oil-bath lubrication subject to conditions outlined in ISO 15312
Grease
10000
min-1
Grease lubrication
Oil (Oil-bath)
12000
min-1
Oil-bath lubrication
da (min.)
26.5
mm
Diameter of shaft abutment
Db (min.)
46
mm
Diameter of housing abutment
Db (max.)
48
mm
Diameter of housing abutment
ra (max.)
1
mm
Radius of shaft or housing fillet
rb (max.)
0.6
mm
Radius of shaft or housing fillet
Abutment and Fillet Dimensions
Mass approx.
0.148
kg
Mass approx.
