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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 M268749

Cup Number

N/A M268710

Configuration

N/A One

Lubrication

N/A w/o Oil Hole

e (Axial Load Factor)

N/A 0.33

Y2 (Axial Load Factor)

N/A 1.80

Static Load Rating

N/A 1180000 lbf5250000 N5250.00 kN

Dynamic Load Rating

N/A 515000 lbf2300000 N2300.00 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 16.3750 in415.925 mm

D

N/A 23.2500 in590.550 mm

Wo

N/A 3.5000 in88.900 mm

Wi

N/A 4.5000 in114.300 mm

W

N/A 4.5000 in114.300 mm

r

N/A 0.2500 in6.400 mm

R

N/A 0.25 in6.4 mm

a (Effective Load Center)

N/A -0.3700 in-9.400 mm

U

N/A 17.48 in444.0 mm

V

N/A 16.69 in424.0 mm

X

N/A 23.11 in587.0 mm

Z

N/A 22.13 in562.0 mm