Item # 3490/3420, Tapered Roller Set - Inch Series and J Series On NTN Bearing Corp. of America

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Technical Specifications

Type	N/A Tapered Roller Bearing
Bore Type	N/A Round
Material	N/A Case Carburized Steel
Style	N/A Cone & Cup
Precision Rating	N/A Class 4
Cone Number	N/A 3490
Cup Number	N/A 3420
Configuration	N/A One
Lubrication	N/A w/o Oil Hole
e (Axial Load Factor)	N/A 0.32
Y2 (Axial Load Factor)	N/A 1.88
Static Load Rating	N/A 25600 lbf114000 N114.00 kN
Dynamic Load Rating	N/A 20900 lbf93000 N93.00 kN
Enclosure	N/A Open
Operating Temperature Range	N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications

Loading zoom Tapered Roller Set - Inch Series and J Series - Dimensions
B	N/A 1.5000 in38.100 mm
D	N/A 3.1250 in79.375 mm
Wo	N/A 0.9375 in23.813 mm
Wi	N/A 1.1721 in29.771 mm
W	N/A 1.1563 in29.370 mm
r	N/A 0.1300 in3.300 mm
R	N/A 0.14 in3.5 mm
a (Effective Load Center)	N/A -0.3400 in-8.700 mm
U	N/A 2.05 in52.0 mm
V	N/A 1.79 in45.5 mm
X	N/A 2.91 in74.0 mm
Z	N/A 2.64 in67.0 mm