NTN 9278/9220
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
9278
Cup Number
9220
Configuration
One
Lubrication
w/o Oil Hole
e (Axial Load Factor)
0.71
Y2 (Axial Load Factor)
0.85
Static Load Rating
300000 N
Dynamic Load Rating
255000 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
B
68.262 mm
D
161.925 mm
Wo
31.750 mm
Wi
46.038 mm
W
49.212 mm
r
3.300 mm
R
3.5 mm
a (Effective Load Center)
0.000 mm
X
153.0 mm
Z
138.0 mm
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