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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 2.7559 in70.000 mm

D

N/A 4.3307 in110.000 mm

B

N/A 0.7874 in20.000 mm

Total Width

N/A 3.1496 in80.000 mm

r2

N/A 0.0433 in1.100 mm

r3

N/A 0.0236 in0.600 mm

d2

N/A 3.2087 in81.500 mm

D4

N/A 4.0551 in103.000 mm

D5

N/A 3.3780 in85.800 mm

E

N/A 0.0984 in2.500 mm

Contact Angle

N/A 15 º