NTN 67989/67920
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
67989
Cup Number
67920
Configuration
One
Lubrication
w/o Oil Hole
e (Axial Load Factor)
0.51
Y2 (Axial Load Factor)
1.18
Static Load Rating
885000 N
Dynamic Load Rating
395000 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
B
209.550 mm
D
282.575 mm
Wo
36.513 mm
Wi
46.038 mm
W
46.038 mm
r
3.300 mm
R
3.5 mm
a (Effective Load Center)
16.000 mm
U
227.0 mm
V
221.0 mm
X
275.0 mm
Z
260.0 mm
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