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Unit of Measure

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Technical Specifications

Type

Main Spindle Bearing

Bore Type

Round

Material

High Carbon Chrome Steel

Cage Type

Machined

Cage Material

Brass

Ball Material

Steel

Limiting Speed - Oil

3300 RPM

Limiting Speed - Grease

2600 RPM

Configuration

Two

Static Load Rating

299000 lbf1330000 N1330.00 kN

Dynamic Load Rating

81000 lbf360000 N360.00 kN

Enclosure

Open

Operating Temperature Range

-40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Duplex Angular Contact Ball Bearings for Axial Loads - HTA Type - Dimensions

d

11.8110 in300.000 mm

D

18.1102 in460.000 mm

B

2.8051 in71.250 mm

2B

5.6102 in142.500 mm

d1

14.2874 in362.900 mm

D2

16.2953 in413.900 mm

r

0.1575 in4.000 mm

r1

0.0591 in1.500 mm

Contact Angle

30 º

2a

11.4882 in291.800 mm

da min

12.7165 in323.000 mm

Db max

17.6378 in448.000 mm

ras max

0.1181 in3 mm

r1as max

0.0591 in1.500 mm