NSK 13889/13830
Inch Series Tapered Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
13889/13830
Boundary Dimensions
d
38.1
mm
Bore diameter
D
63.5
mm
Outside diameter
T
12.7
mm
Total width
B
11.908
mm
Width of inner ring
C
9.525
mm
Width of outer ring
Cup r (min.)
0.8
mm
Chamfer dimension of outer ring (Cup)
Cone r (min.)
1.5
mm
Chamfer dimension of inner ring (Cone)
Basic Load Ratings
Cr
29700
N
Basic dynamic load rating
C0r
30500
N
Basic static load rating
Speeds
Grease
5300
min-1
Grease lubrication
Oil (Oil-bath)
7100
min-1
Oil-bath lubrication
a
11.9
mm
Effective load center
Dimensions
da
45
mm
Diameter of shaft abutment
Da
59
mm
Diameter of housing abutment
db
42.5
mm
Diameter of shaft abutment
Db
60
mm
Diameter of housing abutment
ra (max.)
1.5
mm
Radius of shaft or housing fillet of inner ring
ra (max.)
0.8
mm
Radius of shaft or housing fillet of outer ring
