NTN 28580/28521
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
28580
Cup Number
28521
Configuration
One
Lubrication
w/o Oil Hole
e (Axial Load Factor)
0.38
Y2 (Axial Load Factor)
1.59
Static Load Rating
116000 N
Dynamic Load Rating
83500 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
B
50.800 mm
D
92.075 mm
Wo
19.845 mm
Wi
25.400 mm
W
24.608 mm
r
0.800 mm
R
3.5 mm
a (Effective Load Center)
-4.600 mm
U
63.0 mm
V
57.0 mm
X
87.0 mm
Z
83.0 mm
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