Solution Description

Product Description

Deep Groove Ball Bearing 

Makers: Radial ball bearings are CZPT to accommodate minimal to hefty radial hundreds and minimal to CZPT thrust hundreds in either direction. Radial Deep Groove Ball Bearings are offered with steel shields (ZZ) or rubber seals (2RS). Many tolerance grades (Abec 1-9), internal clearance (C2 to C4) and cage types are offered to ideal fit the working precision and velocity of the application.

Typical Options of Radial Deep Groove Ball Bearings:

  • ZZ– Two Metallic Shields
  • 2RS– Two Rubber Seals
  • NR– Snap Ring
  • M– Brass Cage
  • C0– CZPT Inside Clearance
  • C3– Greater than normal

Solitary row deep groove ball bearings are utilised in a vast assortment of applications, they are straightforward in design, non-separable, suited for high speeds and are robust in operation, and want little maintenance. Deep raceway grooves and the shut conformity between the raceway grooves and the balls enable deep groove ball bearings to accommodate axial masses in both instructions, in addition to radial hundreds.

One row deep groove ball bearings are produced as open type (unsealed), sealed and shielded, the most common sizes of deep groove ball bearings are also made in sealed versions with shields or get in touch with seals on 1 or both sides, the bearings with shields or seals on the two sides are lubricated for life and are maintenance totally free. A sealed bearings seals has speak to on the bearings internal and outer, a shielded bearings protect has speak to on the outer only, and Shielded bearings are mainly meant for purposes the place the interior ring rotates. If the outer ring rotates, there is a danger that the grease will leak from the bearing at high speeds.

Bearing Data – Standard
RSH or RS = Sheet steel strengthened speak to seal of acrylonitrile-butadiene rubber (NBR) on 1 aspect of the bearing
2RSH or 2RS = RSH or RS speak to seal on the two sides of the bearing

RSL = Sheet metal bolstered lower-friction get in touch with seal of acrylonitrile-butadiene rubber (NBR) on 1 aspect of the bearing
2RSL = RSL lower friction get in touch with seal on the two sides of the bearing

Z = Shield of pressed sheet steel on 1 aspect of the bearing
2Z or ZZ = Z-Shield on each sides of the bearing

About this product

  • Size: 6200-2RS (Interior Dia.=10mm, Outer Dia.=30mm, Thickness=9mm)
  • Sealed on Equally SIDES of the bearing to hold CZPT in. Ideal for complex environment
  • Manufactured from Carbon Steel, sturdiness and resistance to under large masses
  • ABEC Tolerance 1 (P0), Z1 Noise Level for most common use
  • Pre-Lubricated, Straightforward to sustain

Item Requirements




Company Profile


ZheJiang CZPT Bearing Co., Ltd. is affiliated to ZheJiang Kaidi Bearing Group – a specialised producer of varieties of bearings for about twenty several years.

Our company is specialized in creating Deep Groove Ball Bearings, Tapered Roller Bearings, Spherical Roller Bearings and Special Bearings in accordance with Customers’ types.Our bearings has been commonly applied into agricultural equipments, residence appliances, electrical power equipments, device tools, automotives and engineering machinery, etc.

Our Merchandise

ZheJiang CZPT Bearing Co., Ltd. is a specialized maker of ball bearings for about 20 many years. Our principal products incorporate:
one, Miniature Bearings: like 608, 609, 625, 626, 693, 695, and so on
2, Deep Groove Ball Bearings: like 6000, 6200, 6300, 6800, 6900, 16000 Collection
3,Non-Normal Bearings: U grooved bearings, V grooved bearings, double grooved bearings, bearing rollers with or with no plastic injection. 4,Pillow Block Bearing: UCP/ UCF/ UCFL
five,Tapered Roller Bearings
six,Linear Motion Bearings

Processing Procedure

we have manufacture bearing far more than 20 a long time, and can create various fashion of bearings. Our manufacturing facility commences production from raw materials. We have a 20-person R&D group and start a new merchandise every 5 days. We have far more than 600 individuals to create bearing group, we create products, the cost is the most competitive in China. 


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ZheJiang CZPT Bearing Co., Ltd.


How to Substitute a Bearing

If you want to select a bearing for a specific application, you should know a number of principles. This report will give you an overview of ball, angular make contact with, and sliding-speak to bearings. You can choose a bearing in accordance to the application dependent on the qualities of its materials and preload. If you are not sure how to select a bearing, attempt experimenting with it. The following phase is to recognize the Z-axis, which is the axes together which the bearing moves.

Z axis

When it arrives to replacing your Z axis bearing, there are several issues you have to know. 1st, you want to make certain that the bearings are seated appropriately. Then, you need to examine the pressure and rotation of every 1. To make certain that each bearings are similarly tensioned, you ought to flex the Main to the desired angle. This will keep the Z axis perpendicular to the perform surface. To do this, first take away the Z axis bearing from its housing and insert it into the Z axis motor plate. Subsequent, insert the flanged bearing into the Z axis motor plate and safe it with two M5x8mm button head cap screws.
Make sure that the bearing plate and the Z Coupler element are flush and have equivalent spacing. The spacing among the two elements is important, as too considerably spacing will trigger the leadscrew to become limited. The screws must be extremely unfastened, with the exception of the ones that engage the nylocks. Right after putting in the bearing, the following stage is to begin the Z axis. When this is accomplished, you are going to be able to go it close to with a stepper.

Angular speak to

Ball bearings are made with angular contacts that result in an angle among the bearing’s races. Whilst the axial load moves in 1 path via the bearing, the radial load follows a curved route, tending to separate the races axially. In purchase to decrease this frictional influence, angular speak to bearings are developed with the very same get in touch with angle on the internal and outer races. The get in touch with angle must be decided on to match the relative proportions of the axial and radial masses. Normally, a larger make contact with angle supports a higher axial load, although minimizing radial load.
Ball bearings are the most common sort of angular get in touch with bearings. Angular speak to ball bearings are used in many apps, but their major function is in the spindle of a device tool. These bearings are ideal for high-pace, precision rotation. Their radial load capability is proportional to the angular make contact with angle, so larger speak to angles tend to enlarge with speed. Angular get in touch with ball bearings are obtainable in solitary and double-row configurations.
Angular get in touch with ball bearings are a fantastic decision for purposes that entail axial hundreds and sophisticated shapes. These bearings have raceways on the internal and outer rings and mutual displacement along the axial axis. Their axial load bearing ability raises as the make contact with Angle a rises. Angular get in touch with ball bearings can withstand hundreds up to five instances their original excess weight! For these who are new to bearings, there are a lot of methods on-line devoted to the matter.
In spite of their complexity, angular contact ball bearings are highly flexible and can be utilized in a vast selection of purposes. Their angular speak to enables them to endure average radial and thrust loads. Unlike some other bearings, angular contact ball bearings can be positioned in tandem to reduce friction. They also function a preload mechanism that eliminates extra enjoy although the bearing is in use.
Angular speak to ball bearings are created with diverse lubricants and cage components. Common cages for angular make contact with ball bearings correspond to Desk 1. Some are machined synthetic resins whilst others are molded polyamide. These cage materials are used to even more enhance the bearing’s axial load capacity. More, angular get in touch with ball bearings can endure high speeds and radial hundreds. In comparison to radial make contact with ball bearings, angular speak to ball bearings offer you the best flexibility.

Ball bearings

Ball bearings are circular structures with two separate rings. The smaller sized ring is mounted on a shaft. The internal ring has a groove on the outer diameter that acts as a route for the balls. The two the interior and outer ring surfaces are finished with very high precision and tolerance. The outer ring is the circular structure with the rolling factors. These factors can consider several types. The internal and outer races are usually made of steel or ceramic.
Silicon nitride ceramic balls have good corrosion resistance and lightweight, but are far more expensive than aluminum oxide balls. They also show an insulating effect and are self-lubricating. Silicon nitride is also appropriate for large-temperature environments. However, this type of materials has the downside of sporting out rapidly and is inclined to cracking and shattering, as is the case with bearing steel and glass. It truly is also significantly less resistant to warmth than aluminum oxide, so it’s greatest to get aluminum nitride or ceramic ball bearings for purposes that are subjected to extremely higher temperatures.
An additional kind of ball bearings is the thrust bearing. It has a specific design and style that accommodates forces in each axial and radial instructions. It is also named a bidirectional bearing due to the fact its races are side-by-facet. Axial ball bearings use a side-by-side design and style, and axial balls are employed when the masses are transmitted through the wheel. Even so, they have poor axial assist and are vulnerable to separating for the duration of large radial masses.
The simple idea powering ball bearings is to minimize friction. By reducing friction, you will be ready to transfer a lot more power, have considerably less erosion, and boost the life of your equipment. With today’s improvements in technology, ball bearings can carry out greater than at any time ahead of. From iron to steel to plastics, the resources utilized in bearings have enhanced substantially. Bearings could also include an electromagnetic area. So, it really is ideal to pick the proper a single for your device.
The lifestyle expectancy of ball bearings depends on numerous elements, including the operating velocity, lubrication, and temperature. A solitary million-rpm ball bearing can take care of amongst one and five million rotations. As prolonged as its area get in touch with area is as modest as attainable, it’s most likely to be serviceable for at minimum one million rotations. Nonetheless, the typical lifespan of ball bearings relies upon on the software and functioning problems. Fortunately, most bearings can manage a million or far more rotations just before they start off displaying symptoms of exhaustion.

Sliding-contact bearings

The fundamental theory behind sliding-contact bearings is that two surfaces transfer in speak to with one particular yet another. This type of bearing works ideal in conditions exactly where the surfaces are produced of dissimilar materials. For instance, a metal shaft shouldn’t run in a bronze-lined bore, or vice versa. As an alternative, one particular aspect should be more challenging than the other, since put on would focus in that location. In addition, abrasive particles are likely to drive them selves into the softer surface, creating a groove to wear in that element.
Sliding-get in touch with bearings have low coefficients of friction and are generally employed in low-velocity purposes. Not like ball and roller bearings, sliding get in touch with bearings have to be lubricated on both sides of the getting in touch with surfaces to reduce use and tear. Sliding-speak to bearings generally are created of ceramics, brass, and polymers. Because of their decrease friction, they are much less correct than rolling-factor bearings.
Sliding-speak to bearings are also acknowledged as basic or sleeve bearings. They have a sliding movement among their two surfaces, which is diminished by lubrication. This sort of bearing is typically utilised in rotary apps and as guide mechanisms. In addition to delivering sliding motion, sliding-speak to bearings are self-lubricating and have higher load-carrying capacities. They are generally offered in two distinct types: basic bearings and thrust bearings.
Sliding-make contact with linear bearing techniques consist of a relocating construction (named the carriage or slide) and the surfaces on which the two factors slide. The surfaces on which the bearing and journal transfer are called rails, methods, or guides. A bore hole is a sophisticated geometry, and a minimal oil movie thickness h0 is usually used at the line of facilities. It is achievable to have a sliding-make contact with bearing in a pillow block.
Simply because these bearings are porous, they can soak up 15 to thirty% of the lubrication oil. This substance is frequently utilized in auto and machine tools. Numerous non-metallic materials are utilized as bearings. 1 illustration is rubber, which delivers superb shock absorbency and embeddability. While rubber has very poor strength and thermal conductivity, it is frequently utilized in deep-well pumps and centrifugal pumps. This material has large impact toughness, but is not as rigid as steel.

China Standard Chrome Steel 6205zz 6205-Zz 6205 Zz 2z Ball Bearings 25X52X15mm Deep Groove Ball Bearing     with high qualityChina Standard Chrome Steel 6205zz 6205-Zz 6205 Zz 2z Ball Bearings 25X52X15mm Deep Groove Ball Bearing     with high quality