Item # 71912CVQ21J74, Quadruple Row Angular Contact Ball Bearing, Machline, Q21 Type On NTN Bearing Corp. of America

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	Item # 71912CVQ21J74, Quadruple Row Angular Contact Ball Bearing, Machline, Q21 Type

Unit of Measure: Imperial Metric Both

Order Now · Technical Specifications · Dimensional Specifications

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Ordering Options		Find a Distributor Contact NTN Customer Support Specialist Order through NTN DOL (Authorized Distributors Only)

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 larger image

d		2.3622 in 60.000 mm

D		3.3465 in 85.000 mm

B		0.5118 in 13.000 mm

Total Width		2.0472 in 52.000 mm

r2		0.0394 in 1.000 mm

r3		0.0236 in 0.600 mm

d2		2.6417 in 67.100 mm

D4		3.1811 in 80.800 mm

D5		2.7717 in 70.400 mm

E		0.0886 in 2.250 mm

Contact Angle		15 º

Item # 71912CVQ21J74, Quadruple Row Angular Contact Ball Bearing, Machline, Q21 Type