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Unit of Measure

Technical Specifications

Type

Angular Contact Ball Bearing

Bore Type

Round

Material

High Carbon Chrome Steel

Cage Type

Fiber Glass Reinforced

Cage Material

Nylon

Ball Material

Steel

Limiting Speed - Oil

9150 rpm

Limiting Speed - Grease

5700 rpm

Precision

ISO Class 4

Configuration

Three

Preload

Medium

Enclosure

Open

Weight

5.509 lb2.499 kg

Operating Temperature Range

-40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Multi-Row Angular Contact Ball Bearing - Back-to-Back Arrangement - Dimensions

d

3.1496 in80 mm

D

4.9213 in125 mm

B

0.8661 in22 mm

Total Width

2.5984 in66.000 mm

d1

3.7480 in95.200 mm

d2

3.6102 in91.700 mm

D1

4.3228 in109.800 mm

D2

4.6024 in116.900 mm

r

0.0433 in1.100 mm

r1

0.0236 in0.600 mm

Contact Angle

15 º

da min

3.4252 in87.000 mm

Db max

4.7441 in120.500 mm

ras max

0.0394 in1 mm

r1as max

0.0236 in0.600 mm