Application And Maintenance Of Deep Groove Ball Bearing
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PublishTime:2022-09-26
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Deep groove ball bearings as a seed in the bearing, because of its wide application, long service life, is widely used in modern equipment manufacturing industry, so that the processing accuracy and quality of equipment has been greatly improved, it can be said that deep groove ball bearings in the future equipment will be a large number of applications, the market prospects will be more broad.
The wide application of deep groove ball bearings has benefited from the common cognition of the equipment workers, and has been accepted by everyone for its excellent performance. I engaged in the maintenance of machinery and equipment for many years, many contacts deep groove ball bearings, the installation of its use and maintenance have more understanding, summed up some experience with you to discuss.
I. Overview
Deep groove ball bearings generally by a pair of rings a group of cages, a group of just ball composition and a group of cages, deep groove ball bearing Type Code 6, is the most common production, the most widely used bearings, deep groove ball bearing structure is simple, easy to use, is the largest production volume, bearing a certain axial load, when the radial clearance of the bearings, The function of angular contact ball bearing can withstand large axial load.
Deep groove ball bearings are mainly used to withstand pure radial loads, but also can withstand both radial and axial loads, when they only withstand pure radial load, the contact angle is zero. When deep groove ball bearings have a large radial clearance, the performance of angular contact bearings can withstand a large axial load. The friction coefficient of deep groove ball bearing is very small, the limit speed is also very high, especially in the high-speed working condition with large axial load, the deep groove ball bearing is more advantageous than thrust ball bearing. Compared with other bearings of the same size, this type of bearing has a small friction factor and high limit speed. In the case of high rotational speed is not suitable for the use of thrust ball bearings can withstand axial load, deep groove ball bearings installed on the shaft, the shaft or housing can be limited to the axial displacement of the bearing axial clearance range. Also, when the housing bore and shaft (or outer ring) are tilted relative to each other (no more than 8-16 is determined by clearance) can still work normally. However, the existence of tilting, it is necessary to reduce the bearing service life.
Deep groove ball bearings in comparison with other types of bearings of the same size, the minimum frictional loss, high limit speed, in the case of high rotational speed should not be used, the thrust ball bearings can be used to withstand pure axial load bearing. If the manufacturing accuracy is improved and the solid cage of bakelite, bronze, hard aluminum and other materials is used, the rotational speed can also be improved.
(a) Characteristics of deep groove ball bearings
Deep groove ball bearing structure is simple, compared with other types of easy to achieve high manufacturing accuracy, so easy to series production, manufacturing costs are low, use is very common. When the large radial clearance is selected, the axial bearing capacity increases, and the contact angle is zero when bearing the pure radial force. When there is axial force, the contact angle is greater than 0. The general use of stamping wave-shaped cage, car-made solid cage, and sometimes the use of nylon rack. Deep groove ball bearings In addition to the basic type, there are various variants of the structure, such as: deep groove ball bearings with a dust cover, deep groove ball bearings with rubber seals, deep groove ball bearings with a stopper groove, deep groove ball bearings with a large load capacity for ball openings, double row deep groove ball bearings. But they all have the following common features:
1, in the structure of deep groove ball bearing each ring has a cross-section about the ball circumference of one-third of the continuous Groove Raceway, which is mainly used to withstand the radial load, but also can withstand a certain axial load;
2, in the bearing radial clearance increases, with angular contact ball bearing properties, can withstand two direction of alternating axial load;
3, small friction, high speed;
4, simple structure, low manufacturing cost, easy to achieve high manufacturing accuracy;
5, the general use of stamping wave-shaped cage, the inner diameter of more than 200mm or high-speed operation of the bearing, the use of car-based solid cage.
The wide application of deep groove ball bearings has benefited from the common cognition of the equipment workers, and has been accepted by everyone for its excellent performance. I engaged in the maintenance of machinery and equipment for many years, many contacts deep groove ball bearings, the installation of its use and maintenance have more understanding, summed up some experience with you to discuss.
I. Overview
Deep groove ball bearings generally by a pair of rings a group of cages, a group of just ball composition and a group of cages, deep groove ball bearing Type Code 6, is the most common production, the most widely used bearings, deep groove ball bearing structure is simple, easy to use, is the largest production volume, bearing a certain axial load, when the radial clearance of the bearings, The function of angular contact ball bearing can withstand large axial load.
Deep groove ball bearings are mainly used to withstand pure radial loads, but also can withstand both radial and axial loads, when they only withstand pure radial load, the contact angle is zero. When deep groove ball bearings have a large radial clearance, the performance of angular contact bearings can withstand a large axial load. The friction coefficient of deep groove ball bearing is very small, the limit speed is also very high, especially in the high-speed working condition with large axial load, the deep groove ball bearing is more advantageous than thrust ball bearing. Compared with other bearings of the same size, this type of bearing has a small friction factor and high limit speed. In the case of high rotational speed is not suitable for the use of thrust ball bearings can withstand axial load, deep groove ball bearings installed on the shaft, the shaft or housing can be limited to the axial displacement of the bearing axial clearance range. Also, when the housing bore and shaft (or outer ring) are tilted relative to each other (no more than 8-16 is determined by clearance) can still work normally. However, the existence of tilting, it is necessary to reduce the bearing service life.
Deep groove ball bearings in comparison with other types of bearings of the same size, the minimum frictional loss, high limit speed, in the case of high rotational speed should not be used, the thrust ball bearings can be used to withstand pure axial load bearing. If the manufacturing accuracy is improved and the solid cage of bakelite, bronze, hard aluminum and other materials is used, the rotational speed can also be improved.
(a) Characteristics of deep groove ball bearings
Deep groove ball bearing structure is simple, compared with other types of easy to achieve high manufacturing accuracy, so easy to series production, manufacturing costs are low, use is very common. When the large radial clearance is selected, the axial bearing capacity increases, and the contact angle is zero when bearing the pure radial force. When there is axial force, the contact angle is greater than 0. The general use of stamping wave-shaped cage, car-made solid cage, and sometimes the use of nylon rack. Deep groove ball bearings In addition to the basic type, there are various variants of the structure, such as: deep groove ball bearings with a dust cover, deep groove ball bearings with rubber seals, deep groove ball bearings with a stopper groove, deep groove ball bearings with a large load capacity for ball openings, double row deep groove ball bearings. But they all have the following common features:
1, in the structure of deep groove ball bearing each ring has a cross-section about the ball circumference of one-third of the continuous Groove Raceway, which is mainly used to withstand the radial load, but also can withstand a certain axial load;
2, in the bearing radial clearance increases, with angular contact ball bearing properties, can withstand two direction of alternating axial load;
3, small friction, high speed;
4, simple structure, low manufacturing cost, easy to achieve high manufacturing accuracy;
5, the general use of stamping wave-shaped cage, the inner diameter of more than 200mm or high-speed operation of the bearing, the use of car-based solid cage.
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