Item # 02872/02820, 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 5300.0 RPM
Style	N/A Cone & Cup
Precision Rating	N/A Not Available
Cone Number	N/A 02872
Cup Number	N/A 02820
Configuration	N/A One
Lubrication	N/A w/o Oil Hole
e (Axial Load Factor)	N/A 0.45
Y2 (Axial Load Factor)	N/A 1.32
Static Load Rating	N/A 15287 lbf68000 N68.00 kN
Dynamic Load Rating	N/A 12702 lbf56500 N56.50 kN
Enclosure	N/A Open
Weight	N/A 1.047 lb0.470 kg
Operating Temperature Range	N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications

Loading zoom Open Image Tapered Roller Set - Inch Series and J Series - Dimensions
B	N/A 1.1250 in28.575 mm
D	N/A 2.8750 in73.025 mm
Wo	N/A 0.6875 in17.463 mm
Wi	N/A 0.8750 in22.225 mm
W	N/A 0.8750 in22.225 mm
r	N/A 0.1300 in3.300 mm
R	N/A 0.03 in0.8 mm
a (Effective Load Center)	N/A -0.1500 in-3.900 mm
U	N/A 1.48 in37.5 mm
V	N/A 1.46 in37.0 mm
X	N/A 2.68 in68.0 mm
Z	N/A 2.44 in62.0 mm