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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

24700 RPM

Limiting Speed - Grease

12300 RPM

Configuration

One

Factor

10.3

Static Load Rating

4500 lbf20000 N20.00 kN

Dynamic Load Rating

6050 lbf26800 N26.80 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

2.3622 in60.000 mm

D

3.7402 in95.000 mm

B

0.7087 in18.000 mm

d1

2.7992 in71.100 mm

d2

2.6299 in66.800 mm

D1

3.3110 in84.100 mm

r

0.0433 in1.100 mm

r1

0.0236 in0.600 mm

Contact Angle

15 º

a

0.7677 in19.500 mm

da min

2.6378 in67.000 mm

db min

2.5394 in64.500 mm

Da max

3.4646 in88.000 mm

ras max

0.0394 in1.000 mm

r1as max

0.0236 in0.600 mm

Double Row Width

1.4173 in36.000 mm

Triple Row Width

2.1260 in54.000 mm

Quadruple Row Width

2.8346 in72.000 mm