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Unit of Measure

Technical Specifications

Type

 N/A Angular Contact Ball Bearing

Material

 N/A High Carbon Chrome Steel

Bore Type

 N/A Round

Preload

 N/A Medium

Enclosure

 N/A Open

Precision

 N/A ISO Class 4

Configuration

 N/A Four

Cage Material

 N/A Phenolic

Cage Type

 N/A Stratified

Ball Material

 N/A Steel

Operating Temperature Range

 N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


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

d

 N/A 2.1654 in55 mm

D

 N/A 3.5433 in90.000 mm

B

 N/A 0.7087 in18 mm

Total Width

 N/A 2.8346 in72.000 mm

r2

 N/A 0.0433 in1.100 mm

r3

 N/A 0.0236 in0.600 mm

d2

 N/A 2.5591 in65.000 mm

D4

 N/A 3.3071 in84.000 mm

D5

 N/A 2.7165 in69.000 mm

E

 N/A 0.0787 in2.000 mm

Contact Angle

 N/A 25 º