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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

16000 rpm

Limiting Speed - Grease

12000 rpm

Seal Type

None

Seal Material

None

Precision

ISO Class 2

Configuration

Two

Factor

7.0

Static Load Rating

5650 lbf25200 N25.20 kN

Dynamic Load Rating

6850 lbf30500 N30.50 kN

Enclosure

Open

Weight

1.036 lb0.470 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

1.7717 in45 mm

D

2.9528 in75.000 mm

B

0.6299 in16 mm

2B

1.2598 in32.000 mm

d1

2.1339 in54.200 mm

d2

2.0039 in50.900 mm

D1

2.5827 in65.600 mm

r

0.0394 in1.000 mm

r1

0.0236 in0.600 mm

Contact Angle

15 º

da min

1.9882 in50.500 mm

db min

1.9488 in49.500 mm

Da max

2.7362 in69.500 mm

ras max

0.0394 in1 mm

r1as max

0.0236 in0.600 mm