NTN 25877/25821
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
5300 RPM
Style
Cone & Cup
Precision Rating
Class 4
Cone Number
25877
Cup Number
25821
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
0.800 mm
R
1.5 mm
a (Effective Load Center)
-8.100 mm
U
43.0 mm
V
40.5 mm
X
68.0 mm
Z
65.0 mm
ras max
2.000 mm
r1as max
0.800 mm
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