NSK 21075/21212
Inch Series Tapered Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
21075/21212
Boundary Dimensions
d
19.05
mm
Bore diameter
D
53.975
mm
Outside diameter
T
22.225
mm
Total width
B
21.839
mm
Width of inner ring
C
15.875
mm
Width of outer ring
Cup r (min.)
2.3
mm
Chamfer dimension of outer ring (Cup)
Cone r (min.)
1.5
mm
Chamfer dimension of inner ring (Cone)
Basic Load Ratings
Cr
50000
N
Basic dynamic load rating
C0r
39500
N
Basic static load rating
Speeds
Grease
7500
min-1
Grease lubrication
Oil (Oil-bath)
10000
min-1
Oil-bath lubrication
a
16.3
mm
Effective load center
Dimensions
da
31.5
mm
Diameter of shaft abutment
Da
43
mm
Diameter of housing abutment
db
26
mm
Diameter of shaft abutment
Db
50
mm
Diameter of housing abutment
ra (max.)
1.5
mm
Radius of shaft or housing fillet of inner ring
ra (max.)
2.3
mm
Radius of shaft or housing fillet of outer ring
