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

91500 rpm

Limiting Speed - Grease

46000 rpm

Configuration

One

Factor

9.2

Static Load Rating

500 lbf2220 N2.22 kN

Dynamic Load Rating

1070 lbf4750 N4.75 kN

Enclosure

Open

Operating Temperature Range

-40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Single Angular Contact Ball Bearings for Motors and Lathes - Dimensions

d

0.5906 in15 mm

D

1.2598 in32 mm

B

0.3543 in9 mm

d1

0.8031 in20.400 mm

d2

0.7283 in18.500 mm

D1

1.0433 in26.500 mm

r

0.0118 in0.300 mm

r1

0.0059 in0.150 mm

Contact Angle

15 º

a

0.3031 in7.500 mm

da min

0.6890 in17.500 mm

db min

0.6378 in16.200 mm

Da max

1.1614 in29.500 mm

ras max

0.0118 in0.3 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