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  • Angular Contact Ball Bearings

    Angular contact ball bearings are available in 7000C (∝=15°), 7000AC (∝=25°) and 7000B (∝=40°) types. The lock of this kind of bearing is on the outer ring. Generally, the inner and outer rings cannot be separated, and can bear the combined load of radial and axial directions and the axial load in one direction. The ability to withstand axial loads is determined by the contact angle, and the greater the contact angle, the higher the ability to withstand axial loads. This type of bearing limits the axial displacement of the shaft or housing in one direction.
    Contact ball bearings have a high limit speed and can withstand both radial and axial loads. They can also withstand pure axial loads. The axial load capacity is determined by the contact angle and increases with the contact angle.
    Single row angular contact ball bearing
    Single row angular contact ball bearings can only bear axial loads in one direction. When subjected to radial loads, they will cause additional axial forces and must be applied to the corresponding reverse loads. Therefore, these bearings are generally used in pairs. Double row angular contact ball bearings can withstand large radial and axial bidirectional combined loads and moment loads dominated by radial loads, which can limit the axial displacement of the shaft or casing, with a contact angle of 30 degrees.
    Bearing code: 7
    Paired angular contact ball bearings
    Paired mounted angular contact ball bearings can withstand radial and axial bidirectional combined loads with radial loads and can withstand pure radial loads. The series configuration can only withstand axial loads in one direction, while the other two configurations can withstand axial loads in either direction. This type of bearing is generally selected by the manufacturer and assembled into a pair of users. After installation, there is preloading and interference, and the ferrule and the steel ball are in an axial preload state, thus improving the whole set of bearings as a single support stiffness and rotation. Precision.
    Back-to-back configuration, the rear code is DB (eg 70000/DB), and the load lines of the back-to-back matched bearings are separated from the bearing shaft. It can withstand axial loads acting in both directions, but the load in each direction can only be withstood by one bearing. Back-to-back mounted bearings provide a relatively rigid bearing configuration and can withstand overturning moments.
    For face-to-face configuration, the rear code is DF (eg 70,000/DF), and the load lines of the face-to-face matched bearings converge toward the bearing shaft. It can withstand axial loads acting in both directions, but the load in each direction can only be withstood by one bearing. This configuration is not as rigid as back-to-back pairing and is not well suited to withstand overturning moments. The rigidity of this configuration and the ability to withstand the overturning moment are not as good as the DB configuration, and the bearing can withstand biaxial axial loads;
    In series configuration, the post code is DT (such as 70000/DT). When connected in series, the load lines are parallel, and the radial and axial loads are evenly shared by the bearings. However, the bearing set can only withstand axial loads acting in one direction. If the axial load acts in the opposite direction, or if there is a composite load, a third bearing that is adjusted relative to the series matched bearing must be added. This configuration also allows three or more bearings to be connected in series at the same support, but can only withstand axial loads in one direction. Usually, in order to balance and limit the axial displacement of the shaft, the other bearing needs to be fitted with a bearing that can bear the axial load in the other direction.
    Bearing code: 0

    main application
    Single row angular contact ball bearings: machine tool spindle, high frequency motor, gas turbine, centrifugal separator, small car front wheel, differential pinion shaft, booster pump, drilling platform, food machinery, indexing head, repair welding machine, Low noise cooling tower, electromechanical equipment, painting equipment, machine slot plate, arc welder
    Double row angular contact ball bearings: oil pump, Roots blower, air compressor, various transmissions, fuel injection pumps, printing machinery, planetary reducers, extraction equipment, cycloid reducers, food packaging machinery, electric welding machines, electric soldering irons, Square box, gravity spray gun, stripping machine, half shaft, inspection and analysis equipment, fine chemical machinery

    Company:Hangzhou BFW Bearing Manufacturing Co., Ltd.
    Company Address: No.501 Shiting Road, Dongxi Road,Hangzhou, Zhejiang, China
    Tel: +86-0578-2699292
    Fax: +86-0578-2699292
    Zip/Postal Code: 323000
    Email:admin@bearingforworld.com
    Contact Person: Mr. William

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