Item # HTA056DB, Duplex Angular Contact Ball Bearings for Axial Loads - HTA Type On NTN Bearing Corp. of America

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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 2700 RPM
Limiting Speed - Grease	N/A 2100 RPM
Configuration	N/A Two
Static Load Rating	N/A 277000 lbf1230000 N1230.00 kN
Dynamic Load Rating	N/A 84500 lbf375000 N375.00 kN
Enclosure	N/A Open
Operating Temperature Range	N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications

Open Image Duplex Angular Contact Ball Bearings for Axial Loads - HTA Type - Dimensions
d	N/A 11.0236 in280.000 mm
D	N/A 16.5354 in420.000 mm
B	N/A 2.4213 in61.500 mm
2B	N/A 4.8425 in123.000 mm
d1	N/A 13.1732 in334.600 mm
D2	N/A 14.9685 in380.200 mm
r	N/A 0.1575 in4.000 mm
r1	N/A 0.0591 in1.500 mm
Contact Angle	N/A 40 º
2a	N/A 14.0433 in356.700 mm
da min	N/A 11.9291 in303.000 mm
Db max	N/A 16.063 in408.000 mm
ras max	N/A 0.1181 in3 mm
r1as max	N/A 0.0591 in1.500 mm