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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

4500 rpm

Limiting Speed - Grease

3600 rpm

Configuration

Two

Static Load Rating

174000 lbf775000 N775.00 kN

Dynamic Load Rating

57000 lbf253000 N253.00 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

8.6614 in220.000 mm

D

13.3858 in340.000 mm

B

2.126 in54 mm

2B

4.2520 in108 mm

d1

10.4843 in266.300 mm

D2

12.0472 in306.000 mm

r

0.1181 in3.000 mm

r1

0.0433 in1.100 mm

Contact Angle

30 º

2a

8.5276 in216.6 mm

da min

9.4488 in240.000 mm

Db max

12.9921 in330.000 mm

ras max

0.0984 in2.5 mm

r1as max

0.0394 in1.000 mm