NSK 7221BWDB
Matched Angular Contact Ball Bearings
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
7221BWDB
Boundary Dimensions
d
105
mm
Bore diameter
D
190
mm
Outside diameter
2B
72
mm
Width 2B
r (min.)
2.1
mm
Chamfer dimension
r1 (min.)
1.1
mm
Chamfer dimension
Basic Load Ratings
Cr
254000
N
Basic dynamic load rating
C0r
258000
N
Basic static load rating
Speeds
Grease
1700
min-1
Grease lubrication
Oil (Oil-bath)
2400
min-1
Oil-bath lubrication
a0
159.8
mm
Load center spacings
Dimensions
da (min.)
117
mm
Diameter of shaft abutment
rb (max.)
1
mm
Radius of fillet
Db (max.)
183
mm
Diameter of housing abutment
ra (max.)
2
mm
Radius of shaft or housing fillet
