NTN 2580/2520
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
Limiting Speed - Grease
5700 RPM
Style
Cone & Cup
Precision Rating
Class 4
Cone Number
2580
Cup Number
2520
Configuration
One
Lubrication
w/o Oil Hole
e (Axial Load Factor)
0.27
Y2 (Axial Load Factor)
2.19
Static Load Rating
81500 N
Dynamic Load Rating
69000 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
B
31.750 mm
D
66.421 mm
Wo
20.638 mm
Wi
25.357 mm
W
25.400 mm
r
3.300 mm
R
0.8 mm
a (Effective Load Center)
-9.100 mm
U
38.5 mm
V
37.5 mm
X
62.0 mm
Z
57.0 mm
ras max
0.8 mm
r1as max
3.000 mm
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