NTN 42688/42620
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
42688
Cup Number
42620
Configuration
One
Lubrication
w/o Oil Hole
e (Axial Load Factor)
0.42
Y2 (Axial Load Factor)
1.43
Static Load Rating
213000 N
Dynamic Load Rating
142000 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
B
76.200 mm
D
127.000 mm
Wo
22.225 mm
Wi
31.001 mm
W
30.162 mm
r
3.300 mm
R
6.4 mm
a (Effective Load Center)
-2.800 mm
U
96.0 mm
V
84.0 mm
X
121.0 mm
Z
114.0 mm
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