NTN 25878/25820
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
25878
Cup Number
25820
Configuration
One
Lubrication
w/o Oil Hole
e (Axial Load Factor)
0.29
Y2 (Axial Load Factor)
2.07
Static Load Rating
85000 N
Dynamic Load Rating
71000 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
B
34.925 mm
D
73.025 mm
Wo
19.050 mm
Wi
24.608 mm
W
23.812 mm
r
2.300 mm
R
3.5 mm
a (Effective Load Center)
-0.100 mm
X
68.0 mm
Z
64.0 mm
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