NTN LM78349A/LM78310A
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
LM78349A
Cup Number
LM78310A
Configuration
One
Lubrication
w/o Oil Hole
e (Axial Load Factor)
0.44
Y2 (Axial Load Factor)
1.35
Static Load Rating
48000 N
Dynamic Load Rating
37000 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
B
34.988 mm
D
61.973 mm
Wo
13.600 mm
Wi
17.000 mm
W
16.700 mm
r
1.500 mm
R
1.5 mm
a (Effective Load Center)
-2.400 mm
U
42.0 mm
V
39.5 mm
X
59.0 mm
Z
54.0 mm
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