Item # HTA028DB, Duplex Angular Contact Ball Bearings for Axial Loads

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	All Categories Duplex Angular Contact Ball Bearings for Axial Loads - HTA Type


	Item # HTA028DB, Duplex Angular Contact Ball Bearings for Axial Loads - HTA 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		Main Spindle Bearing

Bore Type		Round

Material		High Carbon Chrome Steel

Cage Type		Machined

Cage Material		Phenolic

Ball Material		Steel

Limiting Speed - Oil		5400 RPM

Limiting Speed - Grease		4300 RPM

Configuration		Two

Static Load Rating		77500 lbf 345000 N 345.00 kN

Dynamic Load Rating		29700 lbf 132000 N 132.00 kN

Enclosure		Open

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

Dimensional Specifications

		Duplex Angular Contact Ball Bearings for Axial Loads - HTA Type - Dimensions larger image

d		5.5118 in 140.000 mm

D		8.2677 in 210.000 mm

B		1.2402 in 31.500 mm

2B		2.4803 in 63.000 mm

d1		6.5512 in 166.400 mm

D2		7.5472 in 191.700 mm

r		0.0787 in 2.000 mm

r1		0.0394 in 1.000 mm

Contact Angle		40 º

2a		7.0551 in 179.200 mm

da min		6.0630 in 154.000 mm

Db max		7.9724 in 202.500 mm

ras max		0.0787 in 2.000 mm

r1as max		0.0394 in 1.000 mm

Item # HTA028DB, Duplex Angular Contact Ball Bearings for Axial Loads - HTA Type