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

14600 rpm

Limiting Speed - Grease

11500 rpm

Precision

ISO Class 4

Configuration

Two

Preload

Normal

Static Load Rating

12500 lbf55500 N55.50 kN

Dynamic Load Rating

6650 lbf29600 N29.60 kN

Enclosure

Open

Weight

1.032 lb0.468 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

1.9685 in50 mm

D

3.1496 in80 mm

B

0.0561 in14.25 mm

2B

0.1122 in28.500 mm

d1

2.3898 in60.700 mm

D2

2.8819 in73.200 mm

r

0.0394 in1.000 mm

r1

0.0236 in0.600 mm

Contact Angle

40 º

2a

2.7244 in69.2 mm

da min

2.2638 in57.500 mm

Db max

2.9134 in74.000 mm

ras max

0.0394 in1 mm

r1as max

0.0236 in0.600 mm