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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

2.1654 in55 mm

D

3.5433 in90.000 mm

B

0.7087 in18 mm

Total Width

2.8346 in72.000 mm

r2

0.0433 in1.100 mm

r3

0.0236 in0.600 mm

d2

2.5591 in65.000 mm

D4

3.3071 in84.000 mm

D5

2.7165 in69.000 mm

E

0.0787 in2.000 mm

Contact Angle

25 º