Item # 71909HVQ21J74, Quadruple Row Angular Contact Ball Bearing, Machline, Q21 Type On NTN Bearing Corp. of America

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	Item # 71909HVQ21J74, 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		1.7717 in 45.000 mm

D		2.6772 in 68.000 mm

B		0.4724 in 12.000 mm

Total Width		1.8898 in 48.000 mm

r2		0.0236 in 0.600 mm

r3		0.0118 in 0.300 mm

d2		2.0591 in 52.300 mm

D4		2.4685 in 62.700 mm

D5		2.1457 in 54.500 mm

E		0.0846 in 2.150 mm

Contact Angle		25 º

Item # 71909HVQ21J74, Quadruple Row Angular Contact Ball Bearing, Machline, Q21 Type