Bearing Finder
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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

Phenolic Resin

Ball Material

Steel

Limiting Speed - Oil

70500 RPM

Limiting Speed - Grease

34900 RPM

Configuration

One

Factor

9.7

Static Load Rating

670 lbf2990 N2.99 kN

Dynamic Load Rating

1260 lbf5600 N5.60 kN

Enclosure

Open

Operating Temperature Range

-40 to 250 ºF-40 to 120 ºC

Dimensional Specifications

Open Image
Single Angular Contact Ball Bearings for Motors and Lathes - Dimensions

d

0.7874 in20.000 mm

D

1.4567 in37.000 mm

B

0.3543 in9.000 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

a

0.3307 in8.400 mm

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 in0.300 mm

r1as max

0.0059 in0.150 mm

Double Row Width

0.7087 in18.000 mm

Triple Row Width

1.0630 in27.000 mm

Quadruple Row Width

1.4173 in36.000 mm