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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 3100 RPM

Limiting Speed - Grease

N/A 2500 RPM

Configuration

N/A Two

Static Load Rating

N/A 305000 lbf1360000 N1360.00 kN

Dynamic Load Rating

N/A 82000 lbf365000 N365.00 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 12.5984 in320.000 mm

D

N/A 18.8976 in480.000 mm

B

N/A 2.8051 in71.250 mm

2B

N/A 5.6102 in142.500 mm

d1

N/A 15.0748 in382.900 mm

D2

N/A 17.0827 in433.900 mm

r

N/A 0.1575 in4.000 mm

r1

N/A 0.0591 in1.500 mm

Contact Angle

N/A 30 º

2a

N/A 11.9409 in303.300 mm

da min

N/A 13.5039 in343.000 mm

Db max

N/A 18.4252 in468.000 mm

ras max

N/A 0.1181 in3 mm

r1as max

N/A 0.0591 in1.500 mm