Product Description
Bucket
Material: Q345B
Technology: Forging Casting
Finish: Smooth
Hardness: HRC50-60
Deepth: 4mm-10mm
Heat treatment: Quenching
Dimensions: International Standard
Port: HangZhou
Supply Ability: 10000 Piece/Pieces per Month can improve
Packaging Detail: Wooden case/pallet
Delivery Detail: 10-20 days after the payment
Certificate: ISO9002
Warranty time: 6 months
Service: OEM and after-sale service
Our manufacturer can supply the Model below:
Komatsu:
PC40-7 PC60-5-6-7 PC75 PC100-3-5 PC120-5 PC130 PC200-2-3-4-5-6-7-8 PC220-1-3-5 PC230 PC240 PC300-1-5-6-7 PC400-1-3-5
Hitachi:
EX40 EX55 ZX55 EX55-5B EX60-2-3 EX70(ZX70) EX100M EX100-1-2-3-5 EX120 EX150 EX160 EX200-1-2-3-5 ZX200 ZX210 EX220 ZX230 EX300-1-2-3-5 EX330 EX400 UH08 UH07 UH10 UH14
Sumitomo:
SH60 SH65 SH100 SH120-A3 SH120 SH200 SH220-1-5 SH260 SH280 SH300-1-2-3 SH340 SH580-5 S25 S35 S120 S160 S250 S260 S265F2 S280 S280F2 S280FA
Kobelco:
SK30 SK40 SK60 SK100 SK120 SK200-1-6 SK220-1-3 SK230-3-6 SK300 SK320 SK07-1-2-7 SK07N2 SK09
Caterpillar:
E70 E110 E120B E180 E200B E240 E300B E307 CAT311 CAT312 E320 E325 E330 E450 MS180
Daewoo:
DH55 DH60 DH70 DH80 DH150 DH150W DH175 DH200 DH210 DH215-7-9 DH220-3-5-7 DH225 DH255 DH258 DH280 DH300 DH320 DH330 DH340 DH370 DH400
Kato:
HD250 HD250SE HD400 HD450 HD500 HD510 HD550 HD550SE HD650 HD700 HD770 HD800 HD1250 HD1430
Hyundai:
R55 R60-5-7-9 R80 R110 R130-1-2-7 R150 R190 R200-1-2 R210 R215 R220 R225-7 R265 R290 R305 R455
Volvo:
EC55B EC60C EC140B EC200B EC210B EC240B EC290B EC360B EC460B EC550
Bulldozer:
D20 D31 D50 D60 D65 D30 D40 D60-3 D6B D5 D80 D85 D3C D4C D4D D75 D80A-7 D4E D4H-1 D31-15 D31-18 D50-15 D50-16 D6D D5H D8N D9N D155 D31 D355 D10
HangZhou Fortune Machinery Co., Ltd. is 1 of main manufacturers and exporters of undercarriage parts for excavators and bulldozers for more than 10 years in China. Its factory is located at HangZhou City of ZheJiang Province, very near HangZhou Port with a very convenient transportation.
HangZhou Fortune Machinery mainly supply undercarriage replacement parts such as track rollers, top rollers, sprockets, segments, idler assy, track link assy, track shoe, bucket, bucket teeth, bucket link, I link, cutting side, end bits, bushings pins, bolts and nuts for excavators and bulldozers. Its products are applicable for most famous makes such as Komatsu, Hitachi, Caterpillar, Kobelco, Kato, Daewoo, Hyundai, CZPT and so on. Most products are exported to European, Southeast Asia, Middle East, South America etc.
With the principal “Good quality and Best services at reasonable prices”, we strive to continually improve our production technique to provide better products at better prices. We cordially welcome the customers from all over the world to consult and visit, on the basis of mutual benefit and creat refulgence together.
| BRAND | ||||||||
| KOMATSU | PC30 | PC40 | PC45 | PC60 | PC75 | PC100 | PC120 | PC200 |
| EXCAVATOR | PC220 | PC300 | PC350 | PC400 | ||||
| CATERPILLAR | E70B | E110 | E120 | E200B | E307 | E311 | E312 | E320 |
| EXCAVATOR | E322 | E325 | E300B | E330 | ||||
| KOMATSU | D20 | D21 | D30 | D31 | D37 | D40 | D50 | D60 |
| BULLDOZER | D63 | D65 | D80 | D85 | D135 | D155 | D355 | D375 |
| CATERPILLAR | D3C | D3D | D4 | D4C | D4D | D4E | D5 | D5H |
| BULLDOZER | D6 | D6C | D6D | D6H | D7E | D7G | D8N | D9N |
| HITACHI | EX30 | EX40 | EX60 | EX100 | EX120 | EX200 | EX220 | EX300 |
| EX400 | ZAX200 | ZX330 | ZX350 | UH07 | UH081 | UH083 | ||
| DAEWOO | DH55 | DH200 | DH220 | DH280 | DH300 | DH320 | ||
| HYUNDAI | R55 | R110 | R130 | R150 | R200 | R210 | R250 | R290 |
| KEBELCO | SK60 | SK100 | SK120 | SK200 | SK220 | SK300 | K904 | K907 |
| MITSUBISHI | MS110 | MS120 | MS140 | MS180 | ||||
| KATO | HD140 | HD250 | HD400 | HD550 | HD700 | HD850 | HD900 | HD1220 |
| SAMSUNG H.I. | MX8 | SE200 | SE210 | SE280 | MX292 | SE350 | ||
| SUMITOMO | SH70 | SH100 | SH120 | SH160 | SH200 | SH280 | SH300 | SH340 |
Contact us:
HangZhou Fortune Machinery Co., Ltd.
Contact person:James
How to Replace a Bearing
If you want to select a bearing for a specific application, you should know a few basics. This article will give you an overview of ball, angular contact, and sliding-contact bearings. You can choose a bearing according to the application based on the characteristics of its material and preload. If you are not sure how to choose a bearing, try experimenting with it. The next step is to understand the Z-axis, which is the axes along which the bearing moves.
Z axis
When it comes to replacing your Z axis bearing, there are several things you must know. First, you need to make sure that the bearings are seated correctly. Then, you should check the tension and rotation of each one. To ensure that both bearings are equally tensioned, you should flex the Core to the desired angle. This will keep the Z axis perpendicular to the work surface. To do this, first remove the Z axis bearing from its housing and insert it into the Z axis motor plate. Next, insert the flanged bearing into the Z axis motor plate and secure it with 2 M5x8mm button head cap screws.
Make sure that the bearing plate and the Z Coupler part are flush and have equal spacing. The spacing between the 2 parts is important, as too much spacing will cause the leadscrew to become tight. The screws should be very loose, with the exception of the ones that engage the nylocks. After installing the bearing, the next step is to start the Z axis. Once this is done, you’ll be able to move it around with a stepper.
Angular contact
Ball bearings are made with angular contacts that result in an angle between the bearing’s races. While the axial load moves in 1 direction through the bearing, the radial load follows a curved path, tending to separate the races axially. In order to minimize this frictional effect, angular contact bearings are designed with the same contact angle on the inner and outer races. The contact angle must be chosen to match the relative proportions of the axial and radial loads. Generally, a larger contact angle supports a higher axial load, while reducing radial load.
Ball bearings are the most common type of angular contact bearings. Angular contact ball bearings are used in many applications, but their primary purpose is in the spindle of a machine tool. These bearings are suitable for high-speed, precision rotation. Their radial load capacity is proportional to the angular contact angle, so larger contact angles tend to enlarge with speed. Angular contact ball bearings are available in single and double-row configurations.
Angular contact ball bearings are a great choice for applications that involve axial loads and complex shapes. These bearings have raceways on the inner and outer rings and mutual displacement along the axial axis. Their axial load bearing capacity increases as the contact Angle a rises. Angular contact ball bearings can withstand loads up to 5 times their initial weight! For those who are new to bearings, there are many resources online dedicated to the subject.
Despite their complexity, angular contact ball bearings are highly versatile and can be used in a wide range of applications. Their angular contact enables them to withstand moderate radial and thrust loads. Unlike some other bearings, angular contact ball bearings can be positioned in tandem to reduce friction. They also feature a preload mechanism that removes excess play while the bearing is in use.
Angular contact ball bearings are made with different lubricants and cage materials. Standard cages for angular contact ball bearings correspond to Table 1. Some are machined synthetic resins while others are molded polyamide. These cage materials are used to further enhance the bearing’s axial load capacity. Further, angular contact ball bearings can withstand high speeds and radial loads. Compared to radial contact ball bearings, angular contact ball bearings offer the greatest flexibility.
Ball bearings
Ball bearings are circular structures with 2 separate rings. The smaller ring is mounted on a shaft. The inner ring has a groove on the outer diameter that acts as a path for the balls. Both the inner and outer ring surfaces are finished with very high precision and tolerance. The outer ring is the circular structure with the rolling elements. These elements can take many forms. The inner and outer races are generally made of steel or ceramic.
Silicon nitride ceramic balls have good corrosion resistance and lightweight, but are more expensive than aluminum oxide balls. They also exhibit an insulating effect and are self-lubricating. Silicon nitride is also suitable for high-temperature environments. However, this type of material has the disadvantage of wearing out rapidly and is prone to cracking and shattering, as is the case with bearing steel and glass. It’s also less resistant to heat than aluminum oxide, so it’s best to buy aluminum nitride or ceramic ball bearings for applications that are subjected to extremely high temperatures.
Another type of ball bearings is the thrust bearing. It has a special design that accommodates forces in both axial and radial directions. It is also called a bidirectional bearing because its races are side-by-side. Axial ball bearings use a side-by-side design, and axial balls are used when the loads are transmitted through the wheel. However, they have poor axial support and are prone to separating during heavy radial loads.
The basic idea behind ball bearings is to reduce friction. By reducing friction, you’ll be able to transfer more energy, have less erosion, and improve the life of your machine. With today’s advances in technology, ball bearings can perform better than ever before. From iron to steel to plastics, the materials used in bearings have improved dramatically. Bearings may also incorporate an electromagnetic field. So, it’s best to select the right 1 for your machine.
The life expectancy of ball bearings depends on many factors, including the operating speed, lubrication, and temperature. A single million-rpm ball bearing can handle between 1 and 5 million rotations. As long as its surface contact area is as small as possible, it’s likely to be serviceable for at least 1 million rotations. However, the average lifespan of ball bearings depends on the application and operating conditions. Fortunately, most bearings can handle a million or more rotations before they start showing signs of fatigue.
Sliding-contact bearings
The basic principle behind sliding-contact bearings is that 2 surfaces move in contact with 1 another. This type of bearing works best in situations where the surfaces are made of dissimilar materials. For instance, a steel shaft shouldn’t run in a bronze-lined bore, or vice versa. Instead, 1 element should be harder than the other, since wear would concentrate in that area. In addition, abrasive particles tend to force themselves into the softer surface, causing a groove to wear in that part.
Sliding-contact bearings have low coefficients of friction and are commonly used in low-speed applications. Unlike ball and roller bearings, sliding contact bearings have to be lubricated on both sides of the contacting surfaces to minimize wear and tear. Sliding-contact bearings generally are made of ceramics, brass, and polymers. Because of their lower friction, they are less accurate than rolling-element bearings.
Sliding-contact bearings are also known as plain or sleeve bearings. They have a sliding motion between their 2 surfaces, which is reduced by lubrication. This type of bearing is often used in rotary applications and as guide mechanisms. In addition to providing sliding action, sliding-contact bearings are self-lubricating and have high load-carrying capacities. They are typically available in 2 different types: plain bearings and thrust bearings.
Sliding-contact linear bearing systems consist of a moving structure (called the carriage or slide) and the surfaces on which the 2 elements slide. The surfaces on which the bearing and journal move are called rails, ways, or guides. A bore hole is a complex geometry, and a minimum oil film thickness h0 is usually used at the line of centers. It is possible to have a sliding-contact bearing in a pillow block.
Because these bearings are porous, they can absorb 15 to 30% of the lubrication oil. This material is commonly used in automobile and machine tools. Many non-metallic materials are used as bearings. One example is rubber, which offers excellent shock absorbency and embeddability. While rubber has poor strength and thermal conductivity, it is commonly used in deep-well pumps and centrifugal pumps. This material has high impact strength, but is not as rigid as steel.
