Product Description

We(HangZhou BST) export construction machinery parts, specializes in the manufacturing and supplying of Shantui, Cat and komat su parts for over 15 years.  Our company has a complete range such as  engine parts ,transmission parts,hydraulic parts,  electrical parts,drive parts,undercarriage parts, filter. Models such as komats D60/80/155,PC200/220/360 CAT D6/D7/D8/320/330 ect. The company provides high quality bulldozer parts and excavator parts that are designed to meet international standards. All of our products have undergone strict quality control protocols to ensure they maintain the highest standards. 
Our advantage lies in:High-quality products, Competitive prices, Timely transaction and Professional service.

We are suppliers and manufacturer for CAT Komatu,shantui and so on parts in china 
1. Excavator Parts:PC60, PC200, PC210, PC220, PC270, PC300, PC360, PC400, PC650, 
PC750, PC850, PC1250 
2. Loader Parts :WA320/WA380/WA420/WA460
3.Dozer Parts:D31, D41, D50, D60, D65, D80, D85, D155, D355, D375, D475
4.All models Shantui bulldozer from 80hp-520hp: Shantui SD13 SD16 SD22 SD23 SD32  TY160 TY220 TY230 TY320 bulldozer parts,etc
   All Shantui excavator: Shantui SE60 SE130 SE210 SE220 SE240 SE330 SE360 excavator parts.
   All Shantui Road roller: SR12 SR14 SR16 SR18 SR20 SR22 SR26 road roller parts.
   All Shantui Motor grader : Shantui SG16 SG18 SG21 Shantui Motor grader parts.
   All Shantui wheel loader: Shantui SL20W SL30W SL50W SL60W Shantui wheel loader parts.
 

5.CUMMIS Engine: 4B/4BT/6BT/NTA855/KTA13/KTA38/QSK19/QSK23/QSK45/QSK60 etc
6.CAT Excavtor:CAT320C/325C/330C/345C/320D/323D/324D/330D etc
7. CAT dozer: D5B, D5C, D5G, D6C, D6D, D6G, D6M, D6N, D6K, D6H, D6R, D7G, D7F, D7R, D7N,
D8N, D8L, D8R, D8K, D8T, D9G, D9H, D9N, D9R .D10R, D9T, D10T, D11T, D11R, D11 series 
7.CZPT Excavator: EC210B/240B/290B/360B/460B etc
8.Other: Heli forklift parts , CZPT parts 

938F Wheel Loader 
127-8216    Injection                 
Spare Parts For 120 H Grader        
6Y-8764    PT Pump
6Y-8912    Transmission Disc (6)
Spare Parts For CS533e VI : Compactor         
2963332    Vi: Pump 
Spare Parts For 815F Soil Compactor         
1137924    Turbocharger
175711    Nozzle
4P-9830    Plunger 
107-7330    bearing
149-6031     bearing main
430-4521    plug spark
498-1692    valve
7E-7581    piston ring
7W-2221    ring
8N-1234    piston ring
102-0302    turbo
356-3704    extension
7C6209    PLATE-THRUST
561-0493    INSERT-V
562-1885    INSERT-V
191-6766    guide rod
135 8203    Unitooth
237 3786    Turbo
194 5390    Turbo Gasket
569 6097    Turbo
354 1672    Water Pump
225 7741    Plastic Tube
312 5620    Fuel Pump Solenoid
5P8500    CAT Key
377 9476    Tensioner
236 1674    Injector
228 9129    Transfer pump
9G7641    CAT Ignition
240 2913    Stick Bushes
166 1494    ” ” Seal
367 8467    Bucket pin o-rings
172 7772    Grader Water Pump
7N5710    ” ” gasket
140 9378    TLB Relay
146 9439    TLB Relay
344-1722    tensioner pulley
244 3114    Modulation Valves
154 571    Injector harness Seals 
225  8329    TLB Engine oil pump
310 9356    TLB FNR Control
357 7540    Track Adjuster Valve
248 2356    Fuel Pump
176 6219    TLB Shutt off Solenoid
277 2925    Plastic Tube / Connection
417-7782    Regulator
281-8744    Regulator gasket
254-2267    Regulator
254-2270    Regulator Seal
533-4076    Kit Detent
508-1898    Piston Kit
2D8009    Oring
7F8268    Oring
4F7952    Seal
4S5879    Seal
 

After-sales Service: 1 Year
Warranty: 1 Year
Type: Crawler
Application: Bulldozer
Certification: ISO9001: 2000
Condition: New
Samples:
US$ 100/Piece
1 Piece(Min.Order)

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Request Sample

bearing

Types of Ball Bearings

If you’re looking to purchase a new ball bearing, there are many different types available. Learn about Single-row designs, Ceramic hybrid bearings, and Self-aligning ball bearings. You can also choose from stainless steel or single-row designs. Then, read about the different types of materials available to you. You’ll have an easier time making a decision. After all, you won’t have to worry about maintaining your new ball bearing, since it will be maintained by your supplier.

Single-row designs

Ball bearings with a single-row design have a high load-carrying capacity. They are used in applications where high loads must be handled smoothly. A single-row design is a good choice when the material’s properties require high load-carrying capacity but limited axial load capability. Single-row designs use two bearings with similar design features, but they have different mounting methods. Single-row designs can be adjusted either against one another to accommodate axial loads.
The single-row design is suitable for high-speed applications, but also has some disadvantages. The contact angle a is the angle between the radial plane and contact line. The larger the angle, the higher the axial load carrying capacity of the bearing. Single-row angular contact ball bearings are suitable for higher axial forces. Single-row angular contact ball bearings have a single-row design and support high axial forces in one direction. Single-row ball bearings are available in both pressed steel and machined steel cages.
Angular contact ball bearings with a single row feature a cage made of fiber-glass reinforced polyamide 66. These are available in diameters up to 130 mm. Four-point angular contact ball bearings use brass, steel, or brass plate. They have good running properties and a low coefficient of linear expansion. Single-row designs are easy to mount and are widely available. Alternatively, they can be mounted with a universal match design, which allows them to be easily adjusted.
One-row angular contact ball bearings are generally not suitable for angular misalignments because they are unsuitable for compensation of angular misalignments. Misalignments cause internal forces in the bearing which reduce its radial load capacity and life expectancy. This type of bearing is not suitable for adjacent mounting as it increases the chances of misalignment. However, it is a suitable choice for applications where only one bearing is required per bearing position.

Ceramic hybrid bearings

While all-ceramic bearings are limited to very specialized applications, Si3N4-based hybrid bearings are finding use in a wide range of high-speed machines. Compared to steel, ceramics are less susceptible to centrifugal forces, which are directly proportional to the mass of the balls. Because Si3N4 replacement balls have a lower density than steel, these bearings reduce the stress placed on the outer race.
The benefits of hybrid bearings are clear: they allow for higher speeds and loads than full-ceramic bearings, and they require no lubrication. Because of their many benefits, many industrial equipment operators are switching to these innovative bearings. CBR is one company that specializes in ceramic hybrid bearings and can help you find the best product for your application. If you are thinking about purchasing ceramic bearings for your next machine, here are some things you need to know about them.
A ceramic ball bearing surface has an extremely low coefficient of friction, which is important for applications that require low friction and high speeds. Ceramic balls also have a higher hardness than steel balls, which increases their life. In addition to this, ceramic hybrid bearings have superior thermal properties, generating less heat even when spinning at high speeds. These properties make ceramic hybrid bearings an ideal choice for high-speed machinery, especially electric motors. They are also suitable for applications that operate under water.
A ceramic ball hybrid bearing is much less susceptible to temperature fluctuations and wear. Because they are essentially indestructible, ceramic balls do not generate wear particles from the adhesive wear. They can run at significantly higher speeds than steel balls. Ceramic balls are also more resistant to moisture. For this reason, grease is a recommended lubricant in most ceramic bearing applications. These lubricants offer superior protection against moisture and corrosion. Further, they are available in many types.
bearing

Self-aligning ball bearings

A self-aligning ball bearing is one type of self-aligning bearing. These bearings are recommended for use in flex shaft systems. Their self-aligning feature prevents them from misaligning when in use. They can be used in both single and multiple-joint systems. In addition to self-aligning ball bearings, these units also feature flex shafts.
These self-aligning ball bearings come in a variety of configurations, including cylindrical, round, tapered, and straight bore. Their inner ring is tapered to meet specific tolerances. They are suitable for operating temperatures ranging from -30°F to 120°F. Their wide range of applications allows them to be used in general machinery, precision instruments, and low noise motors. In addition, they are available in a variety of outside diameters, widths, and internal clearances.
Self-aligning ball bearings have two rows of balls and one common sphered raceway in the outer ring. This enables them to automatically compensate for angular misalignment, which may be caused by machining and assembly errors or deflections. Compared to spherical roller bearings, these self-aligning ball bearings generate less friction. They run cooler even at high speeds. Self-aligning ball bearings also offer free engineering support.
Self-aligning ball bearings are designed for difficult shaft alignment. They are double-row, self-retaining units, with cylindrical or tapered bores. These bearings are available in open and sealed designs, and can also be used in applications with misalignment. They are also available with an outer ring that rotates in relation to the inner ring. When it comes to shaft misalignment, self-aligning ball bearings are a great solution.

Stainless steel

Stainless steel is a metal that resists corrosion and is highly durable. Its corrosion-resistant and water-resistance properties make it a good choice for bearings in food and marine applications. Additionally, stainless steel has hygienic benefits. Here are some of the benefits of stainless steel ball bearings. Read on to learn more about these amazing bearings! We’ve included some of the most common uses for stainless steel.
Hardness is important in a ball bearing. Steel uses the Rockwell C scale to measure hardness. A grade 25 steel ball bearing is accurate to 25 millionths of an inch, while a grade five ceramic bearing is less than a half-inch round. Although roundness is important, it shouldn’t be overemphasized, as the bearing surfaces may not be as accurate as the grade of the metal. And remember, a higher price tag doesn’t mean a better product.
Stainless steel ball bearings are available in a variety of alloys. The alloys used in manufacturing a stainless steel ball bearing vary in hardness, strength, and ductility. Stainless steel ball bearings have high corrosion-resistance properties. Additionally, they have long lubrication lives. These benefits make them a popular choice for industrial applications. These bearings are easy to maintain, reduce replacement costs, and offer corrosion resistance.
The NTN Sentinel Series is a premium line of stainless steel bearings. The solid lube is NSF H1 registered and prevents grease from leaching into food. It is also corrosion-resistant and doesn’t need to be coated. The seals and slinger create a water-resistant barrier between the steel ball and the lubricant. It also adds safety and security to the bearing.
bearing

Plastic balls

For applications where noise and weight are major concerns, plastic balls are ideal. These non-magnetic balls are ideal for MRI X-ray machines and sensors. They are also easy to lubricate, and are non-magnetic. A polymer ball bearing is the lightest of all three types. This makes them a good choice for many industries. Read on to learn more. This article will introduce some of the advantages of plastic balls for ball bearings.
Although ceramic ball bearings are more durable and offer many advantages, they are more expensive than plastic. Fortunately, plastic ball bearings offer a cheaper alternative. These bearings feature all-plastic races and cages. Depending on the application, plastic balls can be used in applications involving chemicals. In these cases, plastic ball bearings are available with a C160 grade, which is safe for use in temperatures below 176 deg F.
Medical devices often require precision specialty balls, which are made of glass, stainless steel, and plastic. These bearings must meet stringent cleanliness requirements. To meet the most stringent requirements, they must undergo ultrasonic cleaning. These bearings are available in plastic raceways, and are also available with glass or stainless steel balls. Polyethylene balls are lightweight and can be used in a variety of applications. They can be ordered in different sizes and tolerances to meet specific requirements.
Plastic balls for ball bearings are often mounted into other parts, such as plastic wheels, pulleys, and housings. They can be seamlessly integrated into other parts of a machine, which reduces assembly time and improves affordability. One important advantage of plastic bearings is that they are rust-resistant. As such, they can be used in harsh environments without causing any damage. If a piece of equipment is exposed to extreme temperatures, polymers are the ideal choice.

China manufacturer Bearing 5m5003/5m5004 for Cat Dozer D6d   bearing driverChina manufacturer Bearing 5m5003/5m5004 for Cat Dozer D6d   bearing driver
editor by CX 2023-05-05