NTN 67780/67720
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 2
Cone Number
67780
Cup Number
67720
Configuration
One
Lubrication
w/o Oil Hole
e (Axial Load Factor)
0.44
Y2 (Axial Load Factor)
1.36
Static Load Rating
780000 N
Dynamic Load Rating
370000 N
Enclosure
Open
Weight
8.029 kg
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
B
165.100 mm
D
247.650 mm
Wo
38.100 mm
Wi
47.625 mm
W
47.625 mm
r
3.300 mm
R
3.5 mm
a (Effective Load Center)
4.800 mm
U
185.0 mm
V
179.0 mm
X
240.0 mm
Z
229.0 mm
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