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Unit of Measure

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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 EE640191

Cup Number

N/A 640260

Configuration

N/A One

Lubrication

N/A w/o Oil Hole

e (Axial Load Factor)

N/A 0.31

Y2 (Axial Load Factor)

N/A 1.95

Static Load Rating

N/A 830000 lbf3700000 N3700.00 kN

Dynamic Load Rating

N/A 385000 lbf1710000 N1710.00 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 19.2390 in488.671 mm

D

N/A 26.0000 in660.400 mm

Wo

N/A 2.7500 in69.850 mm

Wi

N/A 3.7188 in94.458 mm

W

N/A 3.6875 in93.663 mm

r

N/A 0.2500 in6.400 mm

R

N/A 0.25 in6.4 mm

a (Effective Load Center)

N/A 0.1600 in4.100 mm

U

N/A 20.35 in517.0 mm

V

N/A 19.88 in505.0 mm

X

N/A 25.79 in655.0 mm

Z

N/A 24.88 in632.0 mm