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

 2900 rpm

Limiting Speed - Grease

 3700 rpm

Configuration

 Two

Static Load Rating

 153000 lbf680000 N680 kN

Dynamic Load Rating

 54000 lbf240000 N240.00 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

 7.874 in200.000 mm

D

 12.2047 in310.000 mm

B

 1.9488 in49.5 mm

2B

 3.8976 in99.000 mm

d1

 9.5669 in243.000 mm

D2

 10.9291 in277.600 mm

r

 0.0827 in2.100 mm

r1

 0.0433 in1.100 mm

Contact Angle

 40 º

2a

 10.4173 in264.6 mm

da min

 8.5433 in217.000 mm

Db max

 11.811 in300.000 mm

ras max

 0.0787 in2 mm

r1as max

 0.0394 in1.000 mm