China Professional Excavator Parts 21n-30-00121 for CZPT PC1250-7 Track Roller Bottom Roller near me factory

Product Description

Professional Excavator&Bulldozer Aftermarket Undercarriage Parts Manufacturer

Factory Supplying Directly
Super Quality with Competitive Price!!!

Product Features:

Product Name: Excavator Undercarriage Parts Track Roller/Bottom Roller for Komatsu PC300 PC400 PC650 PC700 PC850 PC1000 PC1100 PC1250 Excavator
Technical: Forging/Casting
Surface Hardness: HRC52-58, Deepth:8mm-12mm
Colors: Black or Yellow
Finishing: Smooth
Applicable Industries: Machinery Repair Shops, Construction works
Material: 35MnB
Related Products: Track Link, Track Pad, Track Roller, Idler. Sprockets, Carrier Roller, Tensioner for Excavators And Dozers

For more than thousands types of rollers in stock!
Shipment immediately once order confirmed.

Confirming Dimensions With Us Before Ordering
Make Sure the Parts Matching with Your Machine

Strict Quality Control System

Original Factory, Quality Guarantted.
Choose us. You can buy better parts with good price!

XIHU (WEST LAKE) DIS.N Excavator&Bulldozer Undercarriage Parts&Components Including:

  • Track Chain With Track Shoe Assembly
  • Segments for Heavy Duty Excavator and Bulldozer
  • Drive Sprockets
  • Track Roller
  • Carriaer Roller
  • Idler
  • Tensioner Spring
  • Bolts&Nuts for All Part

Related Models:

THE MODELS FOR EXCAVATOR/BULLDOZER 
FOR HITACHI 
EX40-1 EX40-2 EX55 EX60 EX60-2 EX60-3 EX60-5 EX70 EX75
EX100 EX110 EX120 EX120-1 EX120-2 EX120-3 EX120-5 EX130-1 EX200-1
EX200-2 EX200-3 EX200-5 EX220-3 EX220-5 EX270 EX300 EX300-1 EX300-2
EX300-3 EX300-5 EX300A EX330 EX370 EX400-1 EX400-2 EX400-3 EX400-5
EX450 ZAX30 ZAX55 ZAX200 ZAX200-2 ZAX330 ZAX450-1 ZAX450-3 ZAX450-5
ZX110 ZX120 ZX200 ZX200-1 ZX200-3 ZX200-5G ZX200LC-3 ZX210 ZX210-3
ZX210-5 ZX225 ZX240 ZX250 ZX270 ZX300 ZX330 ZX330C ZX350
ZX450 ZX450LC ZX500 ZX500LC ZX520 ZX670 ZX690 ZX870 ZX130
ZX170 ZX170LC ZX195 ZX260 ZX360 ZX360LC ZX400 ZX470 ZX490
FOR KOMATSU(EXCAVATOR)
PC20-7 PC30 PC30-3 PC30-5 PC30-6 PC40-7 PC45 PC45-2 PC55
PC120-6 PC130 PC130-7 PC200 PC200-1 PC200-3 PC200-5 PC200-6 PC200-7
PC200-8 PC210-6 PC220-1 PC220-3 PC220-6 PC220-7 PC220-8 PC270-7 PC202B
PC220LC-6 PC220LC-8 PC240 PC300 PC300-3 PC300-5 PC300-6 PC300-7 PC300-7K
PC300LC-7 PC350-6/7 PC400 PC400-3 PC400-5 PC400-6 PC400LC-7 PC450-6 PC450-7
PC600 PC650 PC750 PC800 PC1100 PC1250 PC2000 PC360 PC460
FOR KOMATSU(BULLDOZER)
D20  D31 D50 D60 D61 D61PX D65A D65P D64P-12
D80 D85 D155 D275 D355 D85PX D85EX D65EX D65PX
D65E D68 D68ESS D75 D75S D85ESS D155 D155A D155AX
D275 D275AX D355 D475          
FOR CATERPILLAR(EXCAVATOR)
E200B E200-5 E320D E215 E320DL E324D E324DL E329DL E300L
E320S E320 E320DL E240 E120-1 E311 E312B E320BL E345
E324 E140 E300B E330C E120 E70 E322C E322B E325
E325L E330 E450 CAT225 CAT312B CAT315 CAT320 CAT320C CAT320BL
CAT330 CAT322 CAT245 CAT325 CAT320L CAT973  CAT939C CAT963C CAT313
CAT323 CAT318 CAT326 CAT328 CAT329 CAT336 CAT340 CAT345 CAT349
FOR CATERPILLAR(BULLDOZER)
D3 D3B D3C D3D D4 D4C D4D D4E D4H
D5 D5B D5C D5D D5H D5M D6 D6C D6D
D6H D6M D6R D6G D6N D7 D7C D7D D7E
D7F D7G D7H D7R D8 D8R D8N D8H D8T
D8L D8K D8G D8M D9 D9L D9N D9R D9T
D10 D10R D10N D10T D11 D11R D11N    
FOR KOBELCO
SK120-6 SK120-5 SK210-8 SK210LC-8 SK220 SK220-1 SK220-3 SK220-5/6 SK200 
SK200 SK200  SK200-3 SK200-6 SK200-8 SK200-5/6 SK60 SK290 SK100
SK230 SK250 SK250-8 SK260LC-8 SK300 SK300-2 SK300-4 SK310 SK320
SK330-8 SK330 SK350LC-8 SK235SR SK450 SK480 SK30-6    
FOR SUMITOMO
SH120  SH120-3 SH200 SH210-5 SH200 SH220-3 SH220-5/7 SH290-3 SH350-5/7
SH220 SH280 SH290-7 SH260 SH300 SH300-3 SH300-5 SH350 SH60
FOR VOLVO
EC160C EC160D EC180B EC180C EC180D EC210 EC210 EC210B EC240B
EC290 EC290B EC240 EC55 EC360 EC360B EC380D EC460 EC460B
EC460C EC700 EC140 EC140B EC160B EC350 EC350DL EC480 EC340
FOR LIEBHERR
R914 R924 R934 R944 R916 R926 R936 R954 R966
R974 R984              
FOR KUBOTA
JH60-7 JH115 JH135 JH161 JH185        
FOR DAEWOO
DH200 DH220-3 DH220 DH220S DH280-2 DH280-3 DH55 DH258 DH130
DH370 DH80 DH500 DH450 DH225 DH150 DH330 DH400 DH580
FOR HYUNDAI
R60-5 R60-7 R80-7 R200 R200-3 R210 R210-1 R210-9 R210LC
R210LC-7 R225 R225-3 R225-7 R250 R250-7 R290 R290LC R290LC-7
R320 R360 R954 R205 R210-5 R215 R230 R235 R275
R300 R385 R485            
FOR KATO
HD512 HD1430 HD512III HD820III HD820R HD1430III HD700VI HD1250VII HD250SE
HD400SE HD500SE HD1880            
FOR DOOSAN
DX225 DX225LC DX258 DX300 DX300LCA DX420 DX430 DX140 DX150
DX220 DX250 DX255 DX260 DX370 DX480 DX520    
FOR SHXIHU (WEST LAKE) DIS.I
SD13-2 DH16J2XL DH16J2LGP SD16 SD22 SD32      
FOR CASE
CX210 CX210B CX210C CX210D CX210LC CX225 CX235 CX235C CX240
CX240C CX245 CX250 CX250C CX300 CX300C CX330 CX330C CX350
CX350C CX460 CX460LC CX470 CX470C CX490 CX490D CX700 CX700B
CX750 CX750D              
FOR JCB
JS200 JS200SC JS210 JS210SC JS220 JS220LC JS230 JS230LC JS240
JS240LC JS290 JS290LC JS300 JS300LC JS330 JS330LC    
FOR XCMG
XE55DA XE60DA XE65DA XE75DA XE80C XE80D XE85C XE85D XE135D
XE155DK XE150D XE155D XE200DA XE200D XE200C XE205DA XE215DA XE215C
XE215D XE215HB XE225DK XE230C XE245DK XE240D XE260C XE265C XE270DK
XE305D XE335DK XE335C XE370D XE370DK XE370CA XE370C XE380DK XE470D
XE490DK XE490CK XE500HB XE520DK XE550DK XE750D XE750G XE950D XE950G
XE950DA XE55 XE60 XE65 XE75 XE80 XE85 XE135 XE150
XE155 XE200 XE205 XE215 XE225 XD230 XE240 XE245 XE260
XE265 XE270 XE305 XE335 XE370 XE380 XE470 XE490 XE500
XE520 XE550 XE750 XE950          
FOR MITSUBISHI
MS30 MS110 MS110-3 MS110-5 MS110-8 MS180      
FOR SAMSUNG
SE210 SE280 SE320            
FOR IHI
IHI35 IHI50 IHI55 IHI60 IHI75        
FOR YMMA
YM15 YM30 YM35 YM55 YM65 YM85      
FOR LIUGONG
LG906C LG907 LG200 LG220 LG925 LG934      

Packing&Shipping
FAQ

 

1. You are a trader or a manufacture?
We are an industry and trade integration business.

2. How can I be sure the part will fit my excavator/bulldozer?
Give us correct model number/machine serial number/ any numbers on the parts itself. Or measure the parts give us dimension or drawing.

3. How about the payment terms?
We usually accept T/T(Wire Transfer). other terms also could be negotiated.

4. What is your minimum order?
It depends on what you are buying. Normally, 1 pcs also can be suppllied.

5. What is your delivery time?
FOB HangZhou or any Chinese port : 20 days . If there are any parts in stock , our delivery time is only 1-5 days.

6. What about Quality Control?
We have a perfect QC system for the perfect products. A team who will detect the product quality and specification piece carefully, monitoring every production process until packing is complete, to ensure product safety into container.

Contact Us:

Melon Lin
—————-
Sales Manager

ZheJiang XIHU (WEST LAKE) DIS.N MACHINERY CO., LTD.
Add: Lingong Road, HangZhou City, ZheJiang Province, China
  
Mobile: 

 

Why You Should Get a New Timing Belt

A timing belt is a rubber belt with teeth that transfer rotary motion from the central motor to the drive pulley. It prevents the piston from striking the valves at a critical level. Unfortunately, these belts cost a lot to replace. Here are some reasons why you should consider getting a new one. If you’re not sure whether a new timing belt is necessary, read on. You can also save money by avoiding unnecessary repairs and replacements by choosing an aftermarket timing belt.
belt

Timing belts are rubber belts with hard teeth

While it’s true that timing belts are commonly known as “drive belts,” there are several different types of belts that are used in engines. Despite their commonity, timing belts are made of different materials. The material used to make them is important because it can either negatively impact performance or negatively affect its life span. Whether it’s a car, truck, or motorcycle, timing belts are an essential part of your engine.
Among their many advantages, timing and drive belts are designed to reduce friction, increase speed, and transmit torque more efficiently. In fact, the design of timing belts is similar to that of a cam belt. Both belts work in conjunction with each other to increase the torque and speed of a vehicle. In both types, the teeth of the belt are aligned at the same angle. In a small-scale drive system, this elongation is minimal, but if the load is too high, the teeth of the belt will begin to jump or cog over the pulley’s teeth, causing the noise.
Timing belts are used to synchronize the movement of the crankshaft and camshaft. Timing belts have hard teeth on the inner side of the belt and interlock with the cogwheels on the crankshaft and camshafts. Because of this, they make it easier for the exhaust and intake valves to open and close at the proper time. Timing belts are made of high-10sile rubber, but they may also be polyurethane, welded urethane, or moulded polyurethane.
When a timing belt is worn, it may degrade. The teeth will gradually lose their shape over time and the belt will begin to slip. If the teeth become rounded, the belt may still work, but its timing will be off. Hence, it is vital to replace the timing belt if you notice these signs. If you find any damage, contact a qualified mechanic for repair. If the teeth are worn or damaged, consider replacing the entire belt.
When it comes to a car’s engine, timing is vital. Timing belts connect the internal moving parts of the engine. In addition to timing, they can also power water, oil, and injection pumps. And it’s vital to make sure your timing belt doesn’t get damaged because it will not function properly. So don’t neglect timing belts unless you’re certain they’re damaged.
belt

They transfer rotary motion from the central motor to the drive pulley

A timing belt is a mechanical device that transfers rotary motion from a central motor to a drive pulley through a chain. The belt must be wide enough to accommodate the torque that will be produced by the design. The belt must be wider than the size selected for the drive pulley. In order to determine the correct belt width, the center-to-center distance between the drive pulley and the central motor is measured.
Unlike the elastic belt, which tends to stretch when pressed against a large load, the timing belt does not suffer from this problem. Instead, it exhibits low torsional stiffness, which allows it to transfer rotary motion efficiently. The timing belt also reduces the likelihood of slippage. This is because the cord material is very strong compared to the loads that it must handle.
The most common type of timing belt pulley is made of nylon. The advantage of nylon is that it has a natural lubrication surface and is relatively low-maintenance. It is also durable, malleable, and low-melting point. It is also highly resistant to wear and tear and is suitable for applications that are exposed to high temperatures. However, the belt must be cleaned and maintained on a regular basis.
A Timing belt can be used in a variety of applications. For instance, the timing belt is used in automotive engines. However, the timing belt is also found in stationary power generators, marine engines, and aviation engines. Additionally, it is used in conveyors, winches, treadmills, and washing machines. It also plays a crucial role in the curtain at a theater hall.
The timing belt can be flat, V-shaped, or trapezoidal. The latter is usually made of rubber. The distance between the 2 pulleys is between 5 and 10 meters. The flat belts transmit power through friction between the belt and the pulley. The efficiency of flat belts is approximately 98% and it makes very little noise. However, it must be used in conjunction with the appropriate motor drive. Ultimately, the engineers must choose the best 1 that can deliver the torque that the drive pulley needs to generate.

They prevent pistons from striking the valves on a critical level

In an interference engine, the valves and pistons share the same space in the cylinder, but they move at different rates. While 1 or more of the valves may open into the piston’s travel area, the other is closed and never makes contact with the piston. Timing belts prevent this critical collision from occurring and prevent the piston from damaging the engine. Most timing belts fail at start-up and shutdown. Check the car owner’s manual for recommended replacement intervals.
The timing belt synchronizes the rotation of the crankshaft and camshaft. The timing belt allows the piston to move without striking the valves, allowing the engine to perform its essential functions. The camshaft is used to push fuel and air into the cylinder. The valves close and open as the engine moves forward. When the engine is running, the timing belt prevents the piston from striking the valves on a critical level.
Because of their critical role in the engine, timing belts are often an overlooked component. Without proper timing, an engine will not work properly, and valve damage can be costly. If timing fails, the piston will strike the valves on a critical level, which will damage the engine. Timing belts are a vital automotive component, so make sure yours is in good condition.
A timing belt is a necessary part of your Subaru’s engine. It synchronizes the crankshaft and camshaft to prevent problems with the engine. If a timing belt breaks, the pistons will strike the open valves and cause massive engine damage. Timing belts must be replaced when recommended in your owner’s manual. If it breaks, the engine will shut down.
belt

They cost a lot to replace

Timing belts are expensive to replace, with the average car owner paying $1,200 to have them replaced. Most cars have transverse engines, where the cam cover rests against the driver’s side of the engine. These specialty cars are notoriously difficult to service and require the services of a specialist mechanic. Timing belts are a complex system with a series of idler bearings and tensioner bushes to guide and drive the belt. These components are often replaced at the same time as other routine maintenance work, and they may cost you a bundle.
If you have a car that’s been in the shop for a while, timing belt replacement may be the only option. A timing belt that’s popped isn’t going to make the car run, so you’ll need to get it replaced. If you need the belt replaced, you can use a car service, or you can try to replace the timing belt yourself. It’s a good idea to get several quotes before making the decision to replace the belt.
Depending on the make and model of your car, timing belt replacement costs may range from $250 to more than $1,000. Prices will vary according to vehicle type, labor hours, and the brand of parts and labor. If you don’t have a mechanic handy, you can always use a free online tool like CZPT to get an estimate for timing belt replacement and find a mechanic near you. This will help you save money and avoid the hassle of spending a lot of money on an unnecessary repair.
While timing belts typically last between 60,000 and 100 thousand miles, you may only need to replace them once in your car’s lifetime. Timing belts may seem cheap at first, but if you’re planning on selling your car, you’ll want to avoid the expense of replacing your timing belt. If you don’t, your car’s engine may run poorly and cause your car to use more fuel than it should.

China Professional Excavator Parts 21n-30-00121 for CZPT PC1250-7 Track Roller Bottom Roller     near me factory China Professional Excavator Parts 21n-30-00121 for CZPT PC1250-7 Track Roller Bottom Roller     near me factory