NTN 28158/28300
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
Limiting Speed - Grease
5000 RPM
Style
Cone & Cup
Precision Rating
Class 4
Cone Number
28158
Cup Number
28300
Configuration
One
Lubrication
w/o Oil Hole
e (Axial Load Factor)
0.40
Y2 (Axial Load Factor)
1.49
Static Load Rating
63000 N
Dynamic Load Rating
55500 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
B
40.000 mm
D
76.200 mm
Wo
15.507 mm
Wi
20.940 mm
W
20.638 mm
r
1.300 mm
R
1.5 mm
a (Effective Load Center)
-4.800 mm
U
47.5 mm
V
45.0 mm
X
71.0 mm
Z
68.0 mm
ras max
2.000 mm
r1as max
1.000 mm
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