Item # 18690/18620, 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 18690
Cup Number	N/A 18620
Configuration	N/A One
Lubrication	N/A w/o Oil Hole
e (Axial Load Factor)	N/A 0.37
Y2 (Axial Load Factor)	N/A 1.60
Static Load Rating	N/A 12600 lbf56000 N56.00 kN
Dynamic Load Rating	N/A 10200 lbf45500 N45.50 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 1.8125 in46.038 mm
D	N/A 3.1250 in79.375 mm
Wo	N/A 0.5313 in13.495 mm
Wi	N/A 0.6875 in17.462 mm
W	N/A 0.6875 in17.462 mm
r	N/A 0.0600 in1.500 mm
R	N/A 0.11 in2.8 mm
a (Effective Load Center)	N/A -0.0900 in-2.200 mm
U	N/A 2.20 in56.0 mm
V	N/A 2.01 in51.0 mm
X	N/A 2.91 in74.0 mm
Z	N/A 2.80 in71.0 mm