NSK 3188/3120
Inch Series Tapered Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
3188/3120
Boundary Dimensions
d
31.75
mm
Bore diameter
D
72.626
mm
Outside diameter
T
30.162
mm
Total width
B
29.997
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
97500
N
Basic dynamic load rating
C0r
90000
N
Basic static load rating
Speeds
Grease
5300
min-1
Grease lubrication
Oil (Oil-bath)
7500
min-1
Oil-bath lubrication
a
19.6
mm
Effective load center
Dimensions
da
39.5
mm
Diameter of shaft abutment
Da
61
mm
Diameter of housing abutment
db
39.5
mm
Diameter of shaft abutment
Db
67
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
