Excavator Bearing JHM516849 JHM516810 Tapered Roller Bearings High Quality Factory Outlet Durability Hydraulic Pump Bearing

Excavator Bearing

Excavator Bearing JHM516849 JHM516810 Tapered Roller Bearings High Quality Factory Outlet Durability Hydraulic Pump Bearing

Product Specifications

Attribute	Value
Type	Excavator Bearing
Part number	JHM516849 JHM516810
Application	Excavator
Standard or Nonstandard	Standard
Warranty	3 months
Condition	100% New
Packing	Box

Product Details

Excavator Model: All Excavator Models
Structure: Excavator Bearing
After Warranty Service: Online Support
Packaging: Wooden

Usage

1. Core moving Parts
Upper rotary platform (rotary system)
Application part: The section connecting the upper body (cab, engine, counterweight) and the lower body (track chassis) of an excavator.
The bearings used: Slewing Ring Bearing, which is a special type of large rolling bearing.
Function: It enables the upper part of the excavator to rotate continuously and infinitely at 360 degrees. This is the most distinctive action of an excavator. The slewing bearing needs to withstand huge axial forces, radial forces and overturning moments.
2. Boom, bucket arm and bucket (working device/boom/boom)
Application part: The connection hinge points between various components.
The Bearings used: mainly heavy-duty radial Spherical Plain Bearings and Tapered Roller Bearings.
Function: It can withstand huge digging resistance and impact loads, allowing the boom to rise and fall, the bucket to extend and retract, and the bucket to rotate. These bearings usually operate in harsh environments such as soil and sand, and have extremely high requirements for sealing performance and wear resistance.
3. Walking system (track chassis)
Application parts: Track idler wheels, guide wheels, drive wheels and idler wheels.
Bearings used: tapered roller bearings and Deep Groove Ball Bearings (Bearings).
Function: To support the entire weight of the excavator and achieve the walking function. They need to withstand extremely strong impacts and vibrations, as well as severe pollution from muddy water and crushed stones.
4. Other important parts Engine
Like all car engines, high-precision bearings such as deep groove ball bearings and needle roller bearings are required for the internal crankshaft, camshaft, gearbox, etc., to ensure smooth and high-speed operation.
5. Hydraulic system
Application parts: The interiors of hydraulic pumps and hydraulic motors.
Bearings used: Special axial piston pump bearings, etc.
Function: The hydraulic system is the "muscle" of an excavator. These bearings are used to support the rotating parts inside the pump and motor, withstanding complex loads under high speed and high pressure.
6. Cab control mechanism
The connection points of the joystick will also use some small spherical plain bearings or needle roller bearings to ensure smooth and flexible operation.

Applicable Industries

Construction, mining, road and highway construction, building demolition, foundation construction, tunnel work, stone and rock breaking, ditching, and special sites.

Company Profile

Guangzhou Huilian Machinery Equipment Co., Ltd.established in 2 0 1 1, located in Guangzhou city with convenient transportation access. We has a registered capital of 4 million R M B and occupies an area of 20, 000 square meters. The company has an annual production capacity of 3 million sets. Our main products include deep groove ball bearings, tapered roller bearings, spherical roller bearings, pillow block bearings, and cylindrical roller bearings.
We own the independent brand J T S and also provide O E M services based on customer requirements. Our production workshop is equipped with 60 automated machine tools to ensure stable output. The assembly workshop is fitted with advanced ultrasonic cleaning equipment, automatic assembly machines, and automated packaging lines. A variety of inspection equipment, such as profilometers, vibration testers, clearance testers, and microscopes, ensures the quality of every product. Our workers, with 14 years of experience, operate under a strict and complete assembly line process to guarantee high- quality production.
Our products are widely applied in automobiles, electric motors, water pumps, agricultural machinery, gearboxes, mining machinery, sports equipment, construction, and mining equipment. The company holds independent import and export rights, and all products are I S O 9 0 0 1 certified. We have also obtained a high- tech enterprise certificate. Our foreign trade team has 10 years of experience and has successfully cooperated with customers from many countries. Our products are exported to the United States, Brazil, Chile, Indonesia, Malaysia, Iran, Nigeria, Kenya, South Africa, Slovenia, and more. We welcome customers from at home and abroad to establish cooperation and create a bright future with us together.

FAQ
1. Q: Are you a trading company or manufacturer?
A: We are a certified bearing manufacturer with 15+ years of OEM/ODM experience.

2. Q: How long is your delivery time?
A: In-stock items: 2-5 working days (EXW/FOB NANSHA Port)
Custom orders: 15-30 days (Subject to technical complexity)

3. Q: Can I get free samples for testing?
A: Standard samples (non-high-value items) are available. Sample fees are deductible from bulk orders.

4. Q: What is the MOQ of your products?
A:Standard bearings: ≥1 unit (Flexible according to demand)
Customized solutions: ≥500 units

5. Q: How do you ensure product quality?
A: Products undergo 3-stage inspection:
Raw material certification (GCr15 steel, HRC 60-64 hardness)
100% dimensional testing during production
Final QC approval by professional team

6. Q: What are your payment terms?
A:Orders ≤1,000 USD: 100% advance payment
Orders >1,000 USD: 30% T/T deposit, 70% balance before shipment
L/C accepted for orders >50,000 USD
7. Q: Can you design bearings for special applications?
A: Yes! We provide:
Customized rings/retainers design
Special lubricants (Grease/Oil/Dry-film)
IP6K9K dustproof & waterproof solutions
Technical drawings or samples required

8. Q: What certifications do you have?
A: ISO 9001:2015

9. Q: What industries do your bearings serve?
A: Automotive, robotics, mining equipment, wind turbines, and agricultural machinery.

Koko Shop Machine Co.,Ltd (Huilian Machinery) found in 2011, is a professional supplier who is specializd in construction machinery parts for excavator and attachments, including Hydraulic Hammer, Hydraulic Breaker Spare Parts, Quick Coupler, Hydraulic Grab, Ripper, Vibrator, etc. And, Excavator parts Engine, Hydraulic Pump, Swing motor, Travel motor, Main control Valve, Swivel Joint, Hydraulic seal kit. After 12 years developments, Huilian Machinery factory make quality parts with it's advance technology and advance machines. Hydraulic Breaker Parts suitable for: Atlas copco, Soosan, Furukawa, Atlas Copco, Alpha, Bretec, BTI, CATEEEEEE, CP, Daemo, DMB, Alicon, D&A, Doosan, EDT, Epiroc, Everdigm, Fine, Furukawa, General GB, Hammeroc HR, Hyundai HDB, Indeco HP MES, JCB, Kent, KCB, Komac, Komatsu JTHB, JKHB, Korota, Krupp, Kwanglim, Konan, Montabert, MSB, MTB, Noah, NPK, Okada, OKB, Omal, Poqutec, Powerking, Promove, Rammer, RB Hammer, RBI, Rhino, , Soosan, Stanley, Teisaku, T&H, Toku, Toyo, UBTECH, ECand so on. Hydraulic Excavator Parts suitable for: Komatsu, Hitachi, EC, Hyundai, Kobelco, Sumitomo, Kato, Doosan, JCB, cx, Sany, Liugong, XCMG, Xugong, Zoomlion, etc. OEM and ODM service offered.

In order to meet different customers' needs, Huilian Machinery also purchases Genuine Parts from German, Japan, Korea. And we established a long-term business relationship with customers from all over the world, like: U S A, Mexico, Saudi Arabia Kenya, Algeria, UAE, Russia, Morocco, etc. In 2023, Huilian Machinery became Distributors of easywork engineering machinery (SANY Group) in Russia and indonesia.

Koko Shop Machine is continuously seeking the chances to meet all the friends both from home and abroad for win-win cooperation.

And we believe that quality parts will take us to a further place. Let’s build a better tomorrow, together!

Introduction to Koko Shop Company

CertifiCATEEEEions

Enteprise Honor

Service Brand

Our Factory

Koko Shop Machine Management Department is an important control method for processing quality. It equipped with the most advanced inspection equipments The professional control devices,it can provide accurate reference data to choose the most suitable material and accessories, which also effectively control parts quality. Besides, it also provides digital information for engineers and quality controller to determine feasibility for spare parts after processing. This is the working processing of quality control.

Chooing steady quality supplier. After purchasing raw material, duing testing if it is proved well, then we will arrange these eligible matrial that come into warehouse.

When the spare parts finish and come into testing working conditon. Every worker will be responsible for their spare parts. They will give out fact testing date and results. After proving testing date is accord with delivery standard. Then Koko Shop Machine Quality Management Department will allow these spare parts that go to packing department and packing.

Before delivery, Koko Shop Machine Quality Management Department should check all mark and packing conditon. If it is prove it is accord with exporting standard and customer's requirement. Then they will allow these equipment come into fininshed product area. 

Of course Koko Shop Machine Quality Management Department have the right to make sample testing for every production step to make sure product quality.