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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

85,400 RPM

Limiting Speed - Grease

42,600 RPM

Configuration

One

Factor

8.5

Static Load Rating

667 lbf2970 N2.97 kN

Dynamic Load Rating

1540 lbf6850 N6.85 kN

Enclosure

Open

Weight

0.093 lb0.042 kg

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 in15.000 mm

D

1.3780 in35.000 mm

B

0.4331 in11.000 mm

d1

0.8189 in20.800 mm

d2

0.7244 in18.400 mm

D1

1.1575 in29.400 mm

r

0.0236 in0.600 mm

r1

0.0118 in0.300 mm

Contact Angle

15 º

a

0.3504 in8.900 mm

da min

0.7677 in19.500 mm

db min

0.6890 in17.500 mm

Da max

1.2008 in30.500 mm

ras max

0.0236 in0.600 mm

r1as max

0.0118 in0.300 mm

Double Row Width

0.8661 in22.000 mm

Triple Row Width

1.2992 in33.000 mm

Quadruple Row Width

1.7323 in44.000 mm