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Unit of Measure

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Ordering Options

N/A Contact NTN Customer Relations

Technical Specifications

Type

N/A Main Spindle Bearing

Bore Type

N/A Round

Material

N/A High Carbon Chrome Steel

Cage Type

N/A Machined

Cage Material

N/A Brass

Ball Material

N/A Steel

Limiting Speed - Oil

N/A 2900 RPM

Limiting Speed - Grease

N/A 3700 RPM

Configuration

N/A Two

Static Load Rating

N/A 153000 lbf680000 N680.00 kN

Dynamic Load Rating

N/A 54000 lbf240000 N240.00 kN

Enclosure

N/A Open

Operating Temperature Range

N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


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

d

N/A 7.8740 in200.000 mm

D

N/A 12.2047 in310.000 mm

B

N/A 1.9488 in49.500 mm

2B

N/A 3.8976 in99.000 mm

d1

N/A 9.5669 in243.000 mm

D2

N/A 10.9291 in277.600 mm

r

N/A 0.0827 in2.100 mm

r1

N/A 0.0433 in1.100 mm

Contact Angle

N/A 40 º

2a

N/A 10.4173 in264.600 mm

da min

N/A 8.5433 in217.000 mm

Db max

N/A 11.811 in300.000 mm

ras max

N/A 0.0787 in2.000 mm

r1as max

N/A 0.0394 in1.000 mm