NTN 28990/28919
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
28990
Cup Number
28919
Configuration
One
Lubrication
w/o Oil Hole
e (Axial Load Factor)
0.43
Y2 (Axial Load Factor)
1.41
Y0 (Axial Load Factor)
0.78
Static Load Rating
134000 N
Dynamic Load Rating
90500 N
Enclosure
Open
Weight
0.768 kg
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
B
61.976 mm
D
99.979 mm
Wo
19.050 mm
Wi
24.608 mm
W
24.605 mm
r
1.500 mm
R
2.0 mm
a (Effective Load Center)
-1.700 mm
U
72.0 mm
V
68.0 mm
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