NSK 388A/382A
Inch Series Tapered Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
388A/382A
Boundary Dimensions
d
57.531
mm
Bore diameter
D
96.838
mm
Outside diameter
T
21
mm
Total width
B
21.946
mm
Width of inner ring
C
15.875
mm
Width of outer ring
Cup r (min.)
0.8
mm
Chamfer dimension of outer ring (Cup)
Cone r (min.)
3.5
mm
Chamfer dimension of inner ring (Cone)
Basic Load Ratings
Cr
90000
N
Basic dynamic load rating
C0r
89500
N
Basic static load rating
Speeds
Grease
3600
min-1
Grease lubrication
Oil (Oil-bath)
5000
min-1
Oil-bath lubrication
a
17.6
mm
Effective load center
Dimensions
da
69
mm
Diameter of shaft abutment
Da
89
mm
Diameter of housing abutment
db
63
mm
Diameter of shaft abutment
Db
92
mm
Diameter of housing abutment
ra (max.)
3.5
mm
Radius of shaft or housing fillet of inner ring
ra (max.)
0.8
mm
Radius of shaft or housing fillet of outer ring
