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 Through Hardened Steel

Style

 N/A Cone & Cup

Precision Rating

 N/A Class 4

Cone Number

 N/A 34301

Cup Number

 N/A 34478

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 1.33

Static Load Rating

 N/A 43500 lbf194000 N194.00 kN

Dynamic Load Rating

 N/A 20600 lbf91500 N91.50 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 3.0000 in76.200 mm

D

 N/A 4.7812 in121.442 mm

Wo

 N/A 0.6875 in17.463 mm

Wi

 N/A 0.9060 in23.012 mm

W

 N/A 0.9688 in24.608 mm

r

 N/A 0.0800 in2.000 mm

R

 N/A 0.14 in3.5 mm

a (Effective Load Center)

 N/A 0.0600 in1.500 mm

U

 N/A 3.50 in89.0 mm

V

 N/A 3.27 in83.0 mm

X

 N/A 4.57 in116.0 mm

Z

 N/A 4.33 in110.0 mm