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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

3100 rpm

Limiting Speed - Grease

2500 rpm

Configuration

Two

Static Load Rating

305000 lbf1360000 N1360.00 kN

Dynamic Load Rating

82000 lbf365000 N365.00 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

12.5984 in320.000 mm

D

18.8976 in480.000 mm

B

2.8051 in71.25 mm

2B

5.6102 in142.5 mm

d1

15.0748 in382.900 mm

D2

17.0827 in433.900 mm

r

0.1575 in4.000 mm

r1

0.0591 in1.500 mm

Contact Angle

30 º

2a

11.9409 in303.3 mm

da min

13.5039 in343.000 mm

Db max

18.4252 in468.000 mm

ras max

0.1181 in3 mm

r1as max

0.0591 in1.500 mm