Unit of Measure

Technical Specifications

Type

Main Spindle Bearing

Bore Type

Round

Material

High Carbon Chrome Steel

Cage Type

Machined

Cage Material

Phenolic Resin

Ball Material

Ceramic

Seal Type

None

Seal Material

None

Precision

Special Precision

Configuration

Two

Factor

10.4

Enclosure

Open

Weight

0.485 lb0.220 kg

Operating Temperature Range

-40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Double Angular Contact Ball Bearing for Motors and Lathes - Tandem Arrangement - Dimensions

d

1.7717 in45 mm

D

2.6772 in68.000 mm

B

0.4724 in12 mm

2B

0.9449 in24.000 mm

d1

2.0512 in52.100 mm

d2

1.9331 in49.100 mm

D1

2.3976 in60.900 mm

r

0.0236 in0.600 mm

r1

0.0118 in0.300 mm

Contact Angle

15 º

da min

1.9488 in49.500 mm

db min

1.8898 in48.000 mm

Da max

2.5000 in63.500 mm

ras max

0.0236 in0.6 mm

r1as max

0.0118 in0.300 mm