NTN 6381/6320
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
6381
Cup Number
6320
Configuration
One
Lubrication
w/o Oil Hole
e (Axial Load Factor)
0.32
Y2 (Axial Load Factor)
1.85
Static Load Rating
405000 N
Dynamic Load Rating
290000 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
B
54.988 mm
D
135.755 mm
Wo
44.450 mm
Wi
56.007 mm
W
53.975 mm
r
3.300 mm
R
3.5 mm
a (Effective Load Center)
-19.300 mm
U
76.0 mm
V
70.0 mm
X
126.0 mm
Z
117.0 mm
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