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Deep groove ball bearing

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Basic introduction:

Deep groove ball bearings are the most common type of rolling bearing. The basic deep groove ball bearing consists of an outer ring, an inner ring, a set of steel balls and a set of cages. There are two types of deep groove ball bearings: single-row and double-row. The deep groove ball structure is also divided into two types: sealed and open. seal. The dust seal cover material is stamped from a steel plate, which simply prevents dust from entering the bearing raceway. The oil-proof type is a contact oil seal, which can effectively prevent the grease in the bearing from overflowing.

The single row deep groove ball bearing is coded as 6, and the double row deep groove ball bearing is coded as 4. Its simple structure and convenient use make it the most popular and widely used bearing.

 

working principle:

Deep groove ball bearings mainly bear radial load, and can also bear radial load and axial load at the same time. When it is only subjected to radial loads, the contact angle is zero. When a deep groove ball bearing has a large radial clearance, it has the performance of an angular contact bearing and can withstand a large axial load. The deep groove ball bearing has a small friction coefficient and a high limit speed.

 

Bearing construction:

Deep groove ball bearings have a simple structure and are easy to achieve higher manufacturing accuracy than other types, so they are convenient for mass production in series, the manufacturing cost is low, and they are extremely common. In addition to the basic type, deep groove ball bearings have various modified structures, such as: deep groove ball bearings with dust cover, deep groove ball bearings with rubber seals, deep groove ball bearings with retaining grooves, and Deep groove ball bearing with ball notch and large load capacity, double row deep groove ball bearing.

 

Bearing type:

1.Single row deep groove ball bearing

2.Single row deep groove ball bearing with dust cover

3.Single row deep groove ball bearing with dust cover and sealing ring

4.Single row deep groove ball bearing with stop groove and stop ring on the outer ring

5.Deep groove ball bearings with ball gap

6.Double-row deep groove ball bearings

 

According to the size of deep groove ball bearings, they can be divided into:

(1) Miniature bearings-bearings with a nominal outer diameter range of 26 mm or less; (2) Small bearings-Bearings with a nominal outer diameter range of 28-55 mm; mm (3) Small and medium-sized bearings --- -Bearings with a nominal outer diameter range of 60-115mm; 4 (4) Medium and large-sized bearings-Bearings with a nominal outer diameter range of 120-190mm (5) Large bearings-with a nominal outer diameter range of 200 -430mm bearing; (6) Extra large bearing ---- bearing with a nominal outer diameter range of 440mm or more.


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