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 68463

Cup Number

 N/A 68709

Configuration

 N/A One

Lubrication

 N/A w/o Oil Hole

e (Axial Load Factor)

 N/A 0.50

Y2 (Axial Load Factor)

 N/A 1.21

Static Load Rating

 N/A 61000 lbf272000 N272.00 kN

Dynamic Load Rating

 N/A 41000 lbf182000 N182.00 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 4.6250 in117.475 mm

D

 N/A 7.0856 in179.974 mm

Wo

 N/A 1.0000 in25.400 mm

Wi

 N/A 1.2500 in31.750 mm

W

 N/A 1.3750 in34.925 mm

r

 N/A 0.0300 in0.800 mm

R

 N/A 0.31 in8.0 mm

a (Effective Load Center)

 N/A 0.2100 in5.300 mm

U

 N/A 5.51 in140.0 mm

V

 N/A 4.92 in125.0 mm

X

 N/A 6.77 in172.0 mm

Z

 N/A 6.50 in165.0 mm