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Unit of Measure

Technical Specifications

Type

Angular Contact Ball Bearing

Material

High Carbon Chrome Steel

Bore Type

Round

Preload

Medium

Enclosure

Open

Precision

ISO Class 4

Configuration

Four

Cage Material

Phenolic

Cage Type

Stratified

Ball Material

Steel

Operating Temperature Range

-40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Quadruple Row Angular Contact Ball Bearing, Machline, Q21 Type - Dimensions

d

1.5748 in40 mm

D

2.6772 in68.000 mm

B

0.5906 in15 mm

Total Width

2.3622 in60.000 mm

r2

0.0394 in1.000 mm

r3

0.0236 in0.600 mm

d2

1.9370 in49.200 mm

D4

2.4331 in61.800 mm

D5

2.0394 in51.800 mm

E

0.1004 in2.550 mm

Contact Angle

25 º