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Unit of Measure

Technical Specifications

Type

Main Spindle Bearing

Bore Type

Round

Material

High Carbon Chrome Steel

Cage Type

Machined

Cage Material

Phenolic

Ball Material

Steel

Limiting Speed - Oil

6600 RPM

Limiting Speed - Grease

5300 RPM

Configuration

Two

Static Load Rating

57500 lbf255000 N255.00 kN

Dynamic Load Rating

18400 lbf82000 N82.00 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

6.2992 in160.000 mm

D

8.6614 in220.000 mm

B

1.0630 in27.000 mm

2B

2.1260 in54.000 mm

d1

7.2087 in183.100 mm

D2

8.0000 in203.200 mm

r

0.0787 in2.000 mm

r1

0.0394 in1.000 mm

Contact Angle

30 º

2a

5.3976 in137.100 mm

da min

6.8504 in174.000 mm

Db max

8.3661 in212.500 mm

ras max

0.0787 in2.000 mm

r1as max

0.0394 in1.000 mm