NSK A4050/A4138
Inch Series Tapered Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
A4050/A4138
Boundary Dimensions
d
12.7
mm
Bore diameter
D
34.988
mm
Outside diameter
T
10.998
mm
Total width
B
10.988
mm
Width of inner ring
C
8.73
mm
Width of outer ring
Cup r (min.)
1.3
mm
Chamfer dimension of outer ring (Cup)
Cone r (min.)
1.3
mm
Chamfer dimension of inner ring (Cone)
Basic Load Ratings
Cr
14400
N
Basic dynamic load rating
C0r
10900
N
Basic static load rating
Speeds
Grease
12000
min-1
Grease lubrication
Oil (Oil-bath)
16000
min-1
Oil-bath lubrication
a
8.2
mm
Effective load center
Dimensions
da
18.5
mm
Diameter of shaft abutment
Da
29
mm
Diameter of housing abutment
db
17
mm
Diameter of shaft abutment
Db
32
mm
Diameter of housing abutment
ra (max.)
1.3
mm
Radius of shaft or housing fillet of inner ring
ra (max.)
1.3
mm
Radius of shaft or housing fillet of outer ring
