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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

8800 RPM

Limiting Speed - Grease

7000 RPM

Configuration

Two

Static Load Rating

27000 lbf120000 N120.00 kN

Dynamic Load Rating

11500 lbf51000 N51.00 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

3.3465 in85.000 mm

D

5.1181 in130.000 mm

B

0.7972 in20.250 mm

2B

1.5945 in40.500 mm

d1

4.0315 in102.400 mm

D2

4.626 in117.500 mm

r

0.0433 in1.100 mm

r1

0.0236 in0.600 mm

Contact Angle

40 º

2a

4.3661 in110.900 mm

da min

3.7402 in95.000 mm

Db max

4.8819 in124.000 mm

ras max

0.0394 in1.000 mm

r1as max

0.0236 in0.600 mm