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Unit of Measure

Technical Specifications

Type

Angular Contact Ball Bearing

Material

High Carbon Chrome Steel

Bore Type

Round

Preload

Light

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

1.7717 in45.000 mm

D

2.6772 in68.000 mm

B

0.4724 in12.000 mm

Total Width

1.8898 in48.000 mm

r2

0.0236 in0.600 mm

r3

0.0118 in0.300 mm

d2

2.0591 in52.300 mm

D4

2.4685 in62.700 mm

D5

2.1457 in54.500 mm

E

0.0846 in2.150 mm

Contact Angle

25 º