Item # 7309BDB, Duplex Angular Contact Ball Bearing - Back-to-Back Arrangement On NTN Bearing Corp. of America

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Technical Specifications

Type	N/A Angular Contact Ball Bearing
Bore Type	N/A Round
Material	N/A High Carbon Chrome Steel
Cage Type	N/A Pressed
Cage Material	N/A Steel
Ball Material	N/A Steel
Limiting Speed - Oil	N/A 7200 RPM
Limiting Speed - Grease	N/A 5400 RPM
Precision	N/A ISO Class 0
Configuration	N/A Two
Static Load Rating	N/A 18100 lbf80500 N80.50 kN
Dynamic Load Rating	N/A 21400 lbf95000 N95.00 kN
Enclosure	N/A Open
Weight	N/A 3.735 lb1.694 kg
Operating Temperature Range	N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications

Loading zoom Duplex Angular Contact Ball Bearing - Back-to-Back Arrangement - Dimensions
d	N/A 1.7717 in45.000 mm
D	N/A 3.9370 in100.000 mm
B	N/A 0.9843 in25.000 mm
2B	N/A 1.9685 in50.000 mm
r	N/A 0.0591 in1.500 mm
r1	N/A 0.0394 in1.000 mm
Contact Angle	N/A 40 º
da min	N/A 2.1063 in53.500 mm
Db max	N/A 3.7205 in94.500 mm
ras max	N/A 0.0591 in1.500 mm
r1as max	N/A 0.0394 in1.000 mm