Unit of Measure

Technical Specifications

Type

Main Spindle Bearing

Bore Type

Round

Material

High Carbon Chrome Steel

Cage Type

Stratified

Cage Material

Phenolic

Ball Material

Steel

Limiting Speed - Oil

4800 rpm

Limiting Speed - Grease

3800 rpm

Precision

ISO Class 4

Configuration

Two

Preload

Special Preload

Static Load Rating

98000 lbf435000 N435.00 kN

Dynamic Load Rating

35500 lbf159000 N159.00 kN

Enclosure

Open

Weight

23.087 lb10.472 kg

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

9.4488 in240.000 mm

B

1.4173 in36 mm

2B

2.8346 in72.000 mm

d1

7.5039 in190.600 mm

D2

8.5827 in218.000 mm

r

0.0827 in2.100 mm

r1

0.0433 in1.100 mm

Contact Angle

40 º

2a

8.0591 in204.7 mm

da min

6.9685 in177.000 mm

Db max

9.0551 in230.000 mm

ras max

0.0787 in2 mm

r1as max

0.0394 in1.000 mm