Unit of Measure

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

4000 rpm

Limiting Speed - Grease

3100 rpm

Precision

ISO Class 4

Configuration

Two

Preload

Normal

Static Load Rating

125000 lbf555000 N555.00 kN

Dynamic Load Rating

40500 lbf180000 N180.00 kN

Enclosure

Open

Weight

29.806 lb13.520 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

7.874 in200.000 mm

D

11.0236 in280.000 mm

B

1.4173 in36 mm

2B

2.8346 in72.000 mm

d1

9.0787 in230.600 mm

D2

10.1575 in258.000 mm

r

0.0827 in2.100 mm

r1

0.0433 in1.100 mm

Contact Angle

40 º

2a

9.3819 in238.3 mm

da min

8.5433 in217.000 mm

Db max

10.6299 in270.000 mm

ras max

0.0787 in2 mm

r1as max

0.0394 in1.000 mm