NSK 498/493
Inch Series Tapered Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
498/493
Boundary Dimensions
d
84.138
mm
Bore diameter
D
136.525
mm
Outside diameter
T
30.162
mm
Total width
B
29.769
mm
Width of inner ring
C
22.225
mm
Width of outer ring
Cup r (min.)
3.3
mm
Chamfer dimension of outer ring (Cup)
Cone r (min.)
3.5
mm
Chamfer dimension of inner ring (Cone)
Basic Load Ratings
Cr
160000
N
Basic dynamic load rating
C0r
192000
N
Basic static load rating
Speeds
Grease
2600
min-1
Grease lubrication
Oil (Oil-bath)
3400
min-1
Oil-bath lubrication
a
28.7
mm
Effective load center
Dimensions
da
98
mm
Diameter of shaft abutment
Da
122
mm
Diameter of housing abutment
db
91
mm
Diameter of shaft abutment
Db
130
mm
Diameter of housing abutment
ra (max.)
3.5
mm
Radius of shaft or housing fillet of inner ring
ra (max.)
3.3
mm
Radius of shaft or housing fillet of outer ring
