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ITEM NUMBER
7309DB
Duplex Angular Contact Ball Bearing - Back-to-Back Arrangement
d45,000 mmBore
D100,000 mmOutside diameter
B25,000 mmWidth
Verified by Cat Son before quotationPart number · clearance · precision
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TECHNICAL DATA
Specifications for 7309DB
Units
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
- 8200 RPM
- Limiting Speed - Grease
- 6200 RPM
- Precision
- ISO Class 0
- Configuration
- Two
- Radial Internal Clearance
- CN
- Static Load Rating
- 88000 N 19783 lbf
- Dynamic Load Rating
- 103000 N 23155 lbf
- Enclosure
- Open
- Weight
- 1.660 kg 3.656 lb
- Operating Temperature Range
- -40 to 120 ºC -40 to 250 ºF
Dimensional Specifications
- d
- 45.000 mm 1.7720 in
- D
- 100.000 mm 3.9370 in
- B
- 25.000 mm 0.9843 in
- 2B
- 50.000 mm 1.9685 in
- r
- 1.500 mm 0.0591 in
- r1
- 1.000 mm 0.0394 in
- Contact Angle
- 30 º
- da min
- 53.500 mm 2.1063 in
- Db max
- 94.500 mm 3.7205 in
- ras max
- 1.500 mm 0.0591 in
- r1as max
- 1.000 mm 0.0394 in
DOCUMENTS & SUPPORT
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