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Single-row angular touch ball bearing layout type analysis
Source: China Bearing Network Time: 2014-07-17
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Single row angular touch ball bearings: Single row angular touch ball bearings are available in the following layout styles:
Do not leave the angular touch ball bearing: the bearing code is "S70000" base outer ring raceway side without lock; b) can be separated from the inner ring, cage, steel ball assembly; c) therefore d) can be separated from the equipment. Most of these are miniature bearings with an inner diameter of less than 10 mm; e) for gyro-rotor, micro-motors, etc., which have high requirements for dynamic balance, noise, oscillation, and stability.
Non-displacement angle touch ball bearings: These bearings have a ferrule channel with a lock; g) so the ferrule is not h) can be separated. According to the touch angle, there are three types:
i. Touch angle a = 40 degrees; ii. Suitable for accepting large axial loads,
Iii. Touch angle a = 25 degrees; iv. Used for fine spindle bearings,
v. Touch angle a = 15 degrees; vi. Used for larger scale fine bearings.
Paired angular ball bearings: Paired angular contact ball bearings for radial and axial loads in the same j); k) can also accept pure radial loads and axial directions in either direction Load. This type of bearing is required by the manufacturer for a certain preload; l) optional combination; m) available to the user. When the bearing equipment is tightened on the machine; n) completely eliminates the play in the bearing ;o) and the ferrule and the steel ball are in a preloaded condition; p) therefore q) improves the rigidity of the combined bearing. The angular contact ball bearings of the paired equipment have three different types of equipment:
i. Back to back equipment; ii. The post code is DB (eg 70000/DB); iii. This equipment is more rigid; iv. Good performance in accepting overturning moment; v. The bearing can accept two-way axial loads,
Vi. Face to face equipment; vii. The post code is DF (eg 70,000/DF); viii. The rigidity of this equipment and the ability to accept the overturning moment are not ix. Such as DB equipment type; x. The bearing can accept two-way axial loads,
Xi. Series equipment; xii. The post code is DT (eg 70,000/DT); xiii. This equipment can also be used in the same xiv. Three or more bearings are connected in series at one support; xv. However, it can only accept axial loads in one direction.
Generally; in order to balance and constrain the axial displacement of the shaft; the other bearing requires the bearing to accept the axial load in the other direction.
In addition, there is a single-row angular touch ball bearing that can be easily paired. This type of bearing is specially machined; it can be combined in two back-to-back, two face-to-face or two series connection; the axial clearance of the paired combination can be selected according to requirements. The post-code CA indicates that the axial void is more moderate than .CB, and the axial void is moderate; CC indicates that the axial void is larger.
All-round matched bearings; can also be equipped with pre-interstressed bearings according to operational requirements;
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