Item # 3982/3920, 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
Limiting Speed - Grease	N/A 3200 RPM
Style	N/A Cone & Cup
Precision Rating	N/A Not Available
Cone Number	N/A 3982
Cup Number	N/A 3920
Configuration	N/A One
Lubrication	N/A w/o Oil Hole
e (Axial Load Factor)	N/A 0.40
Y2 (Axial Load Factor)	N/A 1.49
Static Load Rating	N/A 42039 lbf187000 N187.00 kN
Dynamic Load Rating	N/A 28101 lbf125000 N125.00 kN
Enclosure	N/A Open
Weight	N/A 2.747 lb1.250 kg
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 2.5000 in63.500 mm
D	N/A 4.4375 in112.712 mm
Wo	N/A 0.9375 in23.812 mm
Wi	N/A 1.1830 in30.048 mm
W	N/A 1.1875 in30.162 mm
r	N/A 0.1300 in3.300 mm
R	N/A 0.14 in3.5 mm
a (Effective Load Center)	N/A -0.1800 in-4.600 mm
U	N/A 3.03 in77.0 mm
V	N/A 2.80 in71.0 mm
X	N/A 4.17 in106.0 mm
Z	N/A 3.90 in99.0 mm