Item # HTA012DB, 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 12300 RPM
Limiting Speed - Grease	N/A 9700 RPM
Configuration	N/A Two
Static Load Rating	N/A 15600 lbf69500 N69.50 kN
Dynamic Load Rating	N/A 7550 lbf33500 N33.50 kN
Enclosure	N/A Open
Operating Temperature Range	N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications

Loading zoom Open Image Duplex Angular Contact Ball Bearings for Axial Loads - HTA Type - Dimensions
d	N/A 2.3622 in60.000 mm
D	N/A 3.7402 in95.000 mm
B	N/A 0.6496 in16.500 mm
2B	N/A 1.2992 in33.000 mm
d1	N/A 2.8819 in73.200 mm
D2	N/A 3.378 in85.800 mm
r	N/A 0.0433 in1.100 mm
r1	N/A 0.0236 in0.600 mm
Contact Angle	N/A 40 º
2a	N/A 3.2244 in81.900 mm
da min	N/A 2.7559 in70.000 mm
Db max	N/A 3.5039 in89.000 mm
ras max	N/A 0.0394 in1.000 mm
r1as max	N/A 0.0236 in0.600 mm