NSK N321W
Single-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
N321W
Boundary Dimensions
d
105
mm
Bore diameter
D
225
mm
Outside diameter
B
49
mm
Width
EW
195
mm
Raceway diameter of outer ring
r (min.)
3
mm
Chamfer dimension
r1 (min.)
3
mm
Chamfer dimension
Basic Load Ratings
Cr
420000
N
Basic dynamic load rating
C0r
390000
N
Basic static load rating
Speeds
Thermal Speed Rating (Oil-bath)
3800
min-1
Oil-bath lubrication subject to conditions outlined in ISO 15312
Grease
2200
min-1
Grease lubrication
Oil (Oil-bath)
2600
min-1
Oil-bath lubrication
da (min.)
118
mm
Diameter of shaft abutment
Db (min.)
200
mm
Diameter of housing abutment
Db (max.)
212
mm
Diameter of housing abutment
ra (max.)
2.5
mm
Radius of shaft or housing fillet
rb (max.)
2.5
mm
Radius of shaft or housing fillet
Abutment and Fillet Dimensions
Mass approx.
8.7
kg
Mass approx.
