Bearing Finder
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Ordering Options

 N/A Contact NTN Customer Relations

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 28579

Cup Number

 N/A 28521

Configuration

 N/A One

Lubrication

 N/A w/o Oil Hole

e (Axial Load Factor)

 N/A 0.38

Y2 (Axial Load Factor)

 N/A 1.59

Static Load Rating

 N/A 26100 lbf116000 N116.00 kN

Dynamic Load Rating

 N/A 18800 lbf83500 N83.50 kN

Enclosure

 N/A Open

Operating Temperature Range

 N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Tapered Roller Set - Inch Series and J Series - Dimensions

B

 N/A 1.9680 in49.987 mm

D

 N/A 3.6250 in92.075 mm

Wo

 N/A 0.7813 in19.845 mm

Wi

 N/A 1.0000 in25.400 mm

W

 N/A 0.9688 in24.607 mm

r

 N/A 0.0300 in0.800 mm

R

 N/A 0.09 in2.3 mm

a (Effective Load Center)

 N/A -0.1800 in-4.600 mm

U

 N/A 2.36 in60.0 mm

V

 N/A 2.20 in56.0 mm

X

 N/A 3.43 in87.0 mm

Z

 N/A 3.27 in83.0 mm