NTN 88931/88128
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
88931
Cup Number
88128
Configuration
One
Lubrication
w/o Oil Hole
e (Axial Load Factor)
0.49
Y2 (Axial Load Factor)
1.23
Static Load Rating
825000 N
Dynamic Load Rating
430000 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
B
236.538 mm
D
327.025 mm
Wo
34.925 mm
Wi
44.450 mm
W
52.388 mm
r
3.300 mm
R
3.5 mm
a (Effective Load Center)
20.600 mm
U
258.0 mm
V
246.0 mm
X
309.0 mm
Z
302.0 mm
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