NTN 2780/2720
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
2780
Cup Number
2720
Configuration
One
Lubrication
w/o Oil Hole
e (Axial Load Factor)
0.30
Y2 (Axial Load Factor)
1.98
Static Load Rating
90500 N
Dynamic Load Rating
73000 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
B
36.487 mm
D
76.200 mm
Wo
19.050 mm
Wi
25.654 mm
W
23.775 mm
r
3.300 mm
R
1.5 mm
a (Effective Load Center)
-7.800 mm
U
44.5 mm
V
42.5 mm
X
70.0 mm
Z
66.0 mm
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