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

ISO Class 2

Configuration

Two

Factor

6.8

Enclosure

Open

Weight

0.146 lb0.066 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

0.7874 in20 mm

D

1.4567 in37.000 mm

B

0.3543 in9 mm

2B

0.7087 in18 mm

d1

1.0039 in25.500 mm

d2

0.9252 in23.500 mm

D1

1.2362 in31.400 mm

r

0.0118 in0.300 mm

r1

0.0059 in0.150 mm

Contact Angle

15 º

da min

0.8858 in22.500 mm

db min

0.8465 in21.500 mm

Da max

1.3583 in34.500 mm

ras max

0.0118 in0.3 mm

r1as max

0.0059 in0.150 mm