NSK N221M
Single-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
N221M
Boundary Dimensions
d
105
mm
Bore diameter
D
190
mm
Outside diameter
B
36
mm
Width
EW
168.8
mm
Raceway diameter of outer ring
r (min.)
2.1
mm
Chamfer dimension
r1 (min.)
2.1
mm
Chamfer dimension
Basic Load Ratings
Cr
247000
N
Basic dynamic load rating
C0r
241000
N
Basic static load rating
Speeds
Thermal Speed Rating (Oil-bath)
4500
min-1
Oil-bath lubrication subject to conditions outlined in ISO 15312
Grease
3400
min-1
Grease lubrication
Oil (Oil-bath)
4000
min-1
Oil-bath lubrication
da (min.)
116
mm
Diameter of shaft abutment
Db (min.)
173
mm
Diameter of housing abutment
Db (max.)
179
mm
Diameter of housing abutment
ra (max.)
2
mm
Radius of shaft or housing fillet
rb (max.)
2
mm
Radius of shaft or housing fillet
Abutment and Fillet Dimensions
Mass approx.
4.43
kg
Mass approx.
