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Unit of Measure

Technical Specifications

Type

Tapered Roller Bearing

Bore Type

Round

Material

Through Hardened Steel

Limiting Speed - Oil

3200 rpm

Limiting Speed - Grease

2400 rpm

Style

Cone & Cup

Precision Rating

Class 0

Configuration

One

Lubrication

w/o Oil Hole

e (Axial Load Factor)

0.35

Y2 (Axial Load Factor)

1.74

Y0 (Axial Load Factor)

0.96

Static Load Rating

68500 lbf305000 N305.00 kN

Dynamic Load Rating

57500 lbf255000 N255.00 kN

Enclosure

Open

Weight

7.870 lb3.570 kg

Operating Temperature Range

-40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Tapered Roller Set - Metric Series - Dimensions

d

2.9528 in75.000 mm

D

6.29920 in160.000 mm

C

1.2205 in31 mm

B

1.4567 in37 mm

a (Effective Load Center)

-0.3150 in-8.0 mm

T

1.5748 in40.000 mm

r

0.0800 in2.000 mm

R

0.10 in2.5 mm

da

3.50 in89.0 mm

db

3.74 in95.0 mm

Da

5.83 in148.0 mm

Da min

5.47 in139.0 mm

Db

5.87 in149.0 mm