Item # 7028, Single Angular Contact Ball Bearing - Open Type On NTN Bearing Corp. of America

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	Item # 7028, Single Angular Contact Ball Bearing - Open 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

Bore Type		Round

Material		High Carbon Chrome Steel

Cage Type		High Strength, 2 piece, Machined

Cage Material		Brass

Ball Material		Steel

Limiting Speed - Oil		4100 RPM

Limiting Speed - Grease		3100.0 RPM

Precision		ISO Class 0

Configuration		One

Static Load Rating		29900 lbf 133000 N 133.00 kN

Dynamic Load Rating		27000 lbf 120000 N 120.00 kN

Enclosure		Open

Operating Temperature Range		-40 to 250 ºF -40 to 120 ºC

Dimensional Specifications

		Single Angular Contact Ball Bearings - Open Type - Dimensions larger image

d		5.5118 in 140.000 mm

D		8.2677 in 210.000 mm

B		1.2992 in 33.000 mm

r		0.0787 in 2.000 mm

r1		0.0394 in 1.000 mm

Contact Angle		30 º

a (Load Center)		2.6378 in 67.000 mm

da min		5.9055 in 150.000 mm

Da max		7.8740 in 200.000 mm

Db max		8.0512 in 204.500 mm

ras max		0.0787 in 2.000 mm

r1as max		0.0394 in 1.000 mm

Double Row Width		2.5984 in 66.000 mm

Triple Row Width		3.8976 in 99.000 mm

Quadruple Row Width		5.9843 in 152.000 mm

Item # 7028, Single Angular Contact Ball Bearing - Open Type