China OEM Cast Iron SPA800 X 4 Four Groove 3535 Taper Lock Bush V-Belt Pulley with Good quality

Product Description

Product Description

Cast Iron Taper Lock Bush V-Belt Pulley

V-belt pulley.

We are professional manufacturer for EROUP standard V pulley,our pulley feature is as follow:
1. Type: SPZ,SPA, SPB, SPC, Size from 1 to 12 grooves.
2. Material: superior Gray cast iron GG20,GG22,GG25, 45C. GG25, GGG40, Aluminium, etc.
3. Pilot bore, taper bore Pulleys(SPA, SPB, SPC, SPZ), adjustable pulleys, multi wedge pulleys. V-belt pulley for taper bush, with CHINAMFG hubs. Standard sheaves, taper bushes sheaves, AK, BK series sheaves. Variable pith sheaves, Europe type sheaves. Taper bushings.
4. Surface treatment: Black oxide, phosphate, painted or passavited, zinc plateing for C45 pulleys,anodized for Al pulleys.
5. Laser printing.
6. Easy to install and disassemble.
7. Strict QC management, good hardness and strength with Precision machining, high precision and anticorrosive capability.
8. OEM and ODM are available.
9. Strictly dynamically balanced with high precision dynamical balancing tools, unbalanced volume corrected accurately.

With standardized desigh and well equipped CNC machining Systems. Our pulleys have high Precision and good interchangeability. And now our products are mainly export to European and American countries. our prices is the most competitive in Chian,so if there is any enquiry, pls do not hesitate to contact, we will always do our best to meet your requirements!

Take the advantage of raw material and labor, our products prices is the most competitive in China. And at the moment 90% of our products has export to Euro, we guarantee to provide you a good quality with best prices.


We are professional manufacturer for v pulley with ISO 9001:2008 certificate, our v pulley detail is as follows:




45C. GG25,GG20, Aluminium, etc.

Surface treatment

Black oxide, phosphate, painted or passavited.


Static balancing G6.3


From 50mm-1600mm

Product Parameters

Packaging & Shipping

All the products can be packed in cartons,or,you can choose the pallet packing.

MADE IN CHINA can be pressed on wooden cases.Land,air,sea transportation are available.UPS,DHL,TNT,

FedEx and EMS are all supported.

Company Profile

About Mighty Machinery

ZheJiang Mighty Machinery Co., Ltd., specializes in manufacturing Mechanical Power Transmission Products. After over 13 years hard work, MIGHTY have already get the certificate of ISO9001:2000 and become a holding company for 3 manufacturing factories. 


MIGHTY advantage

1, Abundant experience  in the mechanical processing industries.

2,Large quality of various material purchase and stock in warhouse which ensure the low cost for the material and  production in time.

3,Now have 5 technical staff, we have strong capacity for design and process design, and more than 70 worker now work in our FTY and  double shift eveyday.

4,Strick quality control are apply in the whole prodution. we have incoming inspection,process inspection and final production inspection which can ensure the perfect of the goods quality.

5,Long time cooperate with the Global Buyer, make us easy to understand the csutomer and handle the export.


Q1: Are you a trading company or a manufacturer?
A1: We are a factory with professional workers, designers quality inspector team.

Q2: How about your delivery time?
A2: Generally, it will take 5 to 10 days if we have goods in stock, or it will be 15 to 20 days according to
the quantity and if there is no goods in stock. If you are in urgent need, we can negotiate about the delivery time.

Q3: Can you manufacture customized products?
A3: Yes, we can manufacture the products you want as long as you provide us the sample or design drawing.

Q4: Do you test you products before delivery?
A4: Yes. We have 100% detection and test before delivery.

Q5:Do you provide samples? Is it free or extra?
A5: Yes, we could offer the sample for free charge but do not pay the cost of express

Q6: What is your terms of payment?
A6: Payment=1000USD, 30% T/T in advance, balance before shipment.

Q7: How can we contact with you?
A7: If you have any question, pls feel free to contact us on Alibaba.

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Certification: CE, ISO
Pulley Sizes: Spz SPA Spb Spc
Manufacturing Process: Casting
Material: Cast Iron Gg20 Gg22 Gg25, Aluminum
Surface Treatment: Phosphating
Application: Chemical Industry, Mining Transport, Power Plant
US$ 18.9/Piece
1 Piece(Min.Order)

Request Sample



Customized Request

taper lock pulley

Can taper lock pulleys be easily adapted for different shaft sizes and configurations?

Yes, taper lock pulleys are designed to be easily adapted for different shaft sizes and configurations, making them highly versatile and convenient for various industrial applications. The taper lock pulley system allows for quick and secure installation, adjustment, and removal without the need for extensive machining or specialized tools. Here is a detailed explanation of how taper lock pulleys can be easily adapted for different shaft sizes and configurations:

Taper lock pulleys feature a tapered bore on the inner diameter, which corresponds to the taper of the shaft on which they are mounted. This tapered bore allows for a tight and secure fit when installed on the shaft. The taper lock pulley system consists of the pulley itself, a locking device (commonly known as a bushing or hub), and a locking mechanism (usually screws or bolts).

Here is how the adaptation process works:

  1. Selecting the Right Bushing or Hub: To adapt a taper lock pulley to a specific shaft size, you need to choose the appropriate bushing or hub. The bushing or hub is selected based on the desired shaft size and the pulley’s bore diameter. Bushings or hubs are available in various sizes and typically have a tapered outer surface that matches the taper of the pulley bore.
  2. Mounting the Bushing or Hub: Once the appropriate bushing or hub is selected, it is mounted onto the shaft. The bushing or hub is typically secured to the shaft using set screws or other locking mechanisms. The tapered outer surface of the bushing or hub provides a precise fit with the taper of the pulley bore.
  3. Attaching the Pulley: With the bushing or hub securely mounted on the shaft, the taper lock pulley is then positioned over the bushing or hub. As the pulley is pushed onto the bushing or hub, the taper on the inner diameter of the pulley engages with the tapered outer surface of the bushing or hub, creating a tight and secure fit.
  4. Locking the Pulley: To ensure that the taper lock pulley remains securely attached to the bushing or hub, screws or bolts are tightened to create a clamping force. These screws or bolts are typically evenly spaced around the pulley and exert pressure on the bushing or hub, effectively locking the pulley in place.
  5. Adjustment and Removal: One of the advantages of taper lock pulleys is that they can be easily adjusted or removed when needed. By loosening the screws or bolts, the clamping force is released, allowing the pulley to be adjusted along the shaft or completely removed. This adjustability and ease of removal make taper lock pulleys highly convenient for maintenance, repairs, or when changes in the application requirements necessitate adjustments or replacements.

The taper lock pulley system’s adaptability for different shaft sizes and configurations allows for flexibility and interchangeability in various industrial applications. It eliminates the need for precise machining or customized pulleys for each shaft size, saving time and cost. The taper lock design ensures a secure and reliable connection between the pulley and the shaft, enabling efficient power transmission and minimizing slippage or misalignment.

In summary, taper lock pulleys can be easily adapted for different shaft sizes and configurations through the use of bushings or hubs. The tapered bore of the pulley engages with the tapered outer surface of the bushing or hub, providing a secure fit. The pulley can be adjusted or removed by releasing the clamping force exerted by screws or bolts. This adaptability and ease of installation, adjustment, and removal make taper lock pulleys a practical and versatile solution for a wide range of industrial applications.

taper lock pulley

What safety considerations should be kept in mind when using taper lock pulleys?

When using taper lock pulleys, it is important to prioritize safety to prevent accidents and ensure the well-being of operators and maintenance personnel. Here are some key safety considerations to keep in mind when using taper lock pulleys:

  • Proper Installation: Ensure that taper lock pulleys are installed correctly following the manufacturer’s instructions and guidelines. Improper installation can lead to pulley misalignment, slippage, or premature failure, posing safety risks. Use the appropriate tools, equipment, and techniques to securely mount the pulleys on the shafts, ensuring a tight and reliable fit.
  • Shaft Locking and Tightening: Pay attention to proper shaft locking and tightening procedures when installing taper lock pulleys. Use the recommended methods, such as torque wrenches or locking devices, to secure the pulley onto the shaft. Insufficient tightening or inadequate shaft locking can result in pulley dislodgement or unexpected movement, potentially causing accidents or injuries.
  • Personal Protective Equipment (PPE): Wear appropriate personal protective equipment, such as safety glasses, gloves, and protective clothing, when working with taper lock pulleys. PPE helps protect against potential hazards, such as flying debris or contact with sharp edges, during installation, maintenance, or repair tasks.
  • Lockout/Tagout Procedures: Follow lockout/tagout procedures when performing maintenance or repair work on machinery or equipment that involves taper lock pulleys. Lockout/tagout procedures ensure that the machinery is isolated from its power source and cannot be accidentally started or energized during maintenance activities. This prevents unexpected movement of pulleys and reduces the risk of entanglement or other accidents.
  • Regular Inspection and Maintenance: Conduct regular inspections and maintenance of taper lock pulleys to identify any signs of wear, damage, or deterioration. Inspect for cracks, deformation, or looseness in the pulley and the taper lock bushing. Address any identified issues promptly by replacing damaged components or adjusting the pulley installation. Regular maintenance helps prevent unexpected failures that could lead to accidents or operational disruptions.
  • Training and Familiarity: Ensure that operators and maintenance personnel receive proper training and are familiar with the safe handling and operation of taper lock pulleys. Training should cover topics such as installation procedures, safety precautions, and emergency response protocols. Well-trained personnel are better equipped to identify potential safety hazards and take appropriate actions to mitigate risks.
  • Adherence to Manufacturer’s Guidelines: Follow the manufacturer’s guidelines, recommendations, and limitations regarding the use of taper lock pulleys. Manufacturers provide specific instructions and safety information that should be followed to ensure safe and proper usage. Deviating from these guidelines may compromise safety and could lead to accidents or equipment damage.

By considering these safety measures when using taper lock pulleys, you can help create a safer working environment, minimize the risk of accidents, and ensure the efficient and reliable operation of machinery and equipment.

taper lock pulley

What is a taper lock pulley, and how does it differ from standard pulleys?

A taper lock pulley is a type of pulley that utilizes a taper lock bushing for secure and reliable shaft attachment. It is designed to provide a strong and durable connection between the pulley and the shaft, ensuring efficient power transmission and minimizing the risk of slippage or misalignment. Taper lock pulleys are commonly used in applications where frequent pulley removal or replacement is required, or when a high torque load needs to be transmitted.

Taper lock pulleys differ from standard pulleys in the way they are mounted and secured to the shaft. The main distinguishing feature of a taper lock pulley is the presence of a tapered bore in the pulley hub. This tapered bore matches the taper of the taper lock bushing, which is a separate component that fits into the bore of the pulley hub and onto the shaft. The taper lock bushing is typically made of steel and has a conical shape with serrations on the inner surface.

The installation of a taper lock pulley involves the following steps:

  1. The taper lock bushing is inserted into the tapered bore of the pulley hub.
  2. The bushing is then slid onto the shaft, ensuring proper alignment.
  3. A torque is applied to a set of screws or bolts on the bushing, causing the bushing to tighten and create a strong grip on the shaft.
  4. As the screws or bolts are tightened, the bushing’s inner surface expands, exerting pressure on the tapered bore of the pulley hub and creating a secure and concentric connection.

The use of a taper lock bushing provides several advantages over traditional methods of pulley attachment:

  • Easy Installation and Removal: Taper lock pulleys can be quickly installed or removed without the need for specialized tools or extensive disassembly. This allows for efficient maintenance, repairs, or replacement of pulleys as needed.
  • Secure Shaft Connection: The taper lock bushing creates a reliable and rigid connection between the pulley and the shaft, minimizing the risk of slippage or movement during operation. This ensures consistent power transmission and reduces the need for frequent adjustments.
  • Shaft Protection: The taper lock bushing distributes the clamping force evenly along the shaft, reducing the risk of shaft damage or distortion. It also helps to isolate the pulley from the shaft, minimizing wear and extending the life of both components.
  • Wide Range of Shaft Sizes: Taper lock pulleys are available in various sizes and can accommodate different shaft diameters by using different taper lock bushings. This versatility makes them suitable for a wide range of applications and simplifies inventory management.

In summary, a taper lock pulley differs from standard pulleys by incorporating a tapered bore and a taper lock bushing for secure shaft attachment. This design provides easy installation and removal, a secure connection, shaft protection, and compatibility with various shaft sizes. Taper lock pulleys are commonly used in applications where frequent pulley changes or high torque transmission is required, such as in industrial machinery, conveyor systems, and power transmission equipment.

China OEM Cast Iron SPA800 X 4 Four Groove 3535 Taper Lock Bush V-Belt Pulley   with Good quality China OEM Cast Iron SPA800 X 4 Four Groove 3535 Taper Lock Bush V-Belt Pulley   with Good quality
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Taper lock pulley

As one of the taper lock pulley manufacturers, suppliers, and exporters of mechanical products, We offer taper lock pulley and many other products.

Please get in touch with us for details.

Manufacturer supplier exporter of taper lock pulley.

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