NSK 42690/42620
Inch Series Tapered Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
42690/42620
Boundary Dimensions
d
77.788
mm
Bore diameter
D
127
mm
Outside diameter
T
30.162
mm
Total width
B
31
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
170000
N
Basic dynamic load rating
C0r
194000
N
Basic static load rating
Speeds
Grease
2800
min-1
Grease lubrication
Oil (Oil-bath)
3800
min-1
Oil-bath lubrication
a
27.3
mm
Effective load center
Dimensions
da
91
mm
Diameter of shaft abutment
Da
114
mm
Diameter of housing abutment
db
85
mm
Diameter of shaft abutment
Db
121
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
