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

5400 rpm

Limiting Speed - Grease

4300 rpm

Configuration

Two

Static Load Rating

77500 lbf345000 N345.00 kN

Dynamic Load Rating

29700 lbf132000 N132.00 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

5.5118 in140 mm

D

8.2677 in210.000 mm

B

1.2402 in31.500 mm

2B

2.4803 in63 mm

d1

6.5512 in166.400 mm

D2

7.5472 in191.700 mm

r

0.0787 in2.000 mm

r1

0.0394 in1.000 mm

Contact Angle

40 º

2a

7.0551 in179.2 mm

da min

6.0630 in154.000 mm

Db max

7.9724 in202.500 mm

ras max

0.0787 in2 mm

r1as max

0.0394 in1.000 mm