NTN 74472/74850
Tapered Roller Set - Inch Series and J Series
(BRAND)：NTN
(Availability)：In Stock
Technical Specifications
Type
Tapered Roller Bearing
Bore Type
Round
Material
Case Carburized Steel
Style
Cone & Cup
Precision Rating
Class 4
Cone Number
74472
Cup Number
74850
Configuration
One
Lubrication
w/o Oil Hole
e (Axial Load Factor)
0.47
Y2 (Axial Load Factor)
1.23
Static Load Rating
615000 N
Dynamic Load Rating
350000 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
B
119.964 mm
D
215.900 mm
Wo
34.925 mm
Wi
47.625 mm
W
47.625 mm
r
3.300 mm
R
3.5 mm
a (Effective Load Center)
2.300 mm
U
137.0 mm
V
129.0 mm
X
208.0 mm
Z
196.0 mm
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