Item # HTA021DB, 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 Phenolic
Ball Material	N/A Steel
Limiting Speed - Oil	N/A 7200 RPM
Limiting Speed - Grease	N/A 5700 RPM
Configuration	N/A Two
Static Load Rating	N/A 40500 lbf181000 N181.00 kN
Dynamic Load Rating	N/A 16000 lbf71000 N71.00 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 4.1339 in105.000 mm
D	N/A 6.2992 in160.000 mm
B	N/A 0.9744 in24.750 mm
2B	N/A 1.9488 in49.500 mm
d1	N/A 4.9803 in126.500 mm
D2	N/A 5.6811 in144.300 mm
r	N/A 0.0787 in2.000 mm
r1	N/A 0.0394 in1.000 mm
Contact Angle	N/A 40 º
2a	N/A 5.3740 in136.500 mm
da min	N/A 4.6850 in119.000 mm
Db max	N/A 6.0039 in152.500 mm
ras max	N/A 0.0787 in2.000 mm
r1as max	N/A 0.0394 in1.000 mm