NSK 3386/3320
Inch Series Tapered Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
3386/3320
Boundary Dimensions
d
39.688
mm
Bore diameter
D
80.167
mm
Outside diameter
T
29.37
mm
Total width
B
30.391
mm
Width of inner ring
C
23.812
mm
Width of outer ring
Cup r (min.)
3.3
mm
Chamfer dimension of outer ring (Cup)
Cone r (min.)
0.8
mm
Chamfer dimension of inner ring (Cone)
Basic Load Ratings
Cr
114000
N
Basic dynamic load rating
C0r
108000
N
Basic static load rating
Speeds
Grease
4800
min-1
Grease lubrication
Oil (Oil-bath)
6300
min-1
Oil-bath lubrication
a
18.4
mm
Effective load center
Dimensions
da
46.5
mm
Diameter of shaft abutment
Da
70
mm
Diameter of housing abutment
db
45.5
mm
Diameter of shaft abutment
Db
75
mm
Diameter of housing abutment
ra (max.)
0.8
mm
Radius of shaft or housing fillet of inner ring
ra (max.)
3.3
mm
Radius of shaft or housing fillet of outer ring
