NTN 22780/22720
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
22780
Cup Number
22720
Configuration
One
Lubrication
w/o Oil Hole
e (Axial Load Factor)
0.40
Y2 (Axial Load Factor)
1.49
Static Load Rating
97000 N
Dynamic Load Rating
75500 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
B
42.862 mm
D
82.550 mm
Wo
20.638 mm
Wi
26.988 mm
W
26.195 mm
r
3.300 mm
R
3.5 mm
a (Effective Load Center)
-6.400 mm
U
56.0 mm
V
50.0 mm
X
77.0 mm
Z
71.0 mm
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