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

10900 rpm

Limiting Speed - Grease

8700 rpm

Configuration

Two

Static Load Rating

28600 lbf127000 N127.00 kN

Dynamic Load Rating

11200 lbf50000 N50.00 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

3.5433 in90 mm

D

5.5118 in140 mm

B

0.8858 in22.500 mm

2B

1.7717 in45.000 mm

d1

4.3071 in109.400 mm

D2

4.9567 in125.900 mm

r

0.0591 in1.500 mm

r1

0.0394 in1.000 mm

Contact Angle

30 º

2a

3.5157 in89.3 mm

da min

4.0157 in102.000 mm

Db max

5.2165 in132.500 mm

ras max

0.0591 in1.5 mm

r1as max

0.0394 in1.000 mm