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NTN 7309 Medium Size Ball Bearing(Standard)
MODEL 7309
$521.40 Each
Prices are subject to change
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Returnable:No
Technical Specifications
Type | Angular Contact Ball Bearing |
Bore Type | Round |
Material | High Carbon Chrome Steel |
Cage Type | Pressed |
Cage Material | Steel |
Ball Material | Steel |
Limiting Speed - Oil | 10000 RPM |
Limiting Speed - Grease | 7800 RPM |
Precision | ISO Class 0 |
Configuration | One |
Static Load Rating | 9900 lbf44000 N44.00 kN |
Dynamic Load Rating | 14300 lbf63500 N63.50 kN |
Enclosure | Open |
Weight | 1.828 lb0.829 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 1.7717 in45.000 mm |
D | 3.9370 in100.000 mm |
B | 0.9843 in25.000 mm |
r | 0.0591 in1.500 mm |
r1 | 0.0394 in1.000 mm |
Contact Angle | 30 |
a (Load Center) | 1.3189 in33.500 mm |
da min | 2.1063 in53.500 mm |
db min | 1.9882 in50.500 mm |
Da max | 3.6024 in91.500 mm |
Db max | 3.7205 in94.500 mm |
ras max | 0.0591 in1.500 mm |
r1as max | 0.0394 in1.000 mm |
Double Row Width | 1.9685 in50.000 mm |
Triple Row Width | 2.9528 in75.000 mm |
Quadruple Row Width | 3.9370 in100.000 mm |
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