NTN 66589/66520
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
66589
Cup Number
66520
Configuration
One
Lubrication
w/o Oil Hole
e (Axial Load Factor)
0.67
Y2 (Axial Load Factor)
0.90
Static Load Rating
181000 N
Dynamic Load Rating
144000 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
B
59.972 mm
D
122.238 mm
Wo
23.813 mm
Wi
31.750 mm
W
33.338 mm
r
3.300 mm
R
0.8 mm
a (Effective Load Center)
2.000 mm
U
74.0 mm
V
73.0 mm
X
116.0 mm
Z
105.0 mm
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