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8V Series Cast Iron Six-Groove QD Sheaves for “8V” Belts

8V series six-groove QD (quick detachable) bushed sheaves are manufactured for 8V and 8V banded belts. They range from 12.50″ to 5″.00″ in d”diameter. Depending on the sheave size, they are made to use an F, J, M, or N QD bushing, which we also stock. Most of our six-groove 8V QD sheaves are manufactured from a high-strength grade 35 cast iron, are phosphate-coated, and are painted for anti-corrosion. All of them are balanced at the factory for smooth machinery operation.

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8V Series Cast Iron Six-Groove QD Sheaves for "8V" Belts

8V series six-groove QD (quick detachable) bushed sheaves are manufactured for 8V and 8V banded belts. They range from 12.50" to 5".00" in d"diameter. Depending on the sheave size, they are made to use an F, J, M, or N QD bushing, which we also stock. Most of our six-groove 8V QD sheaves are manufactured from a high-strength grade 35 cast iron, are phosphate-coated, and are painted for anti-corrosion. All of them are balanced at the factory for smooth machinery operation.

Six-Groove 8V QD Sheave Size Chart

Sheave Size
Pitch Diameter (P.D.)
Outside Diameter (O.D.)
Weight (LBS)
68V1250F F A 12.30 12.50 31/32" 7-1/8" 3-3/4" 2-13/32" 90
68V1320F F A 13.00 13.20 31/32" 7-1/8" 3-3/4" 2-13/32" 98
68V1400F F A 13.80 14.00 31/32" 7-1/8" 3-3/4" 2-13/32" 112
68V1500J J A 14.80 15.00 1-1/8" 7-1/8" 4-5/8" 1-3/8" 123
68V1600J J A 15.80 16.00 1-1/8" 7-1/8" 4-5/8" 1-3/8" 129
68V1700J J A 16.80 17.00 1-1/8" 7-1/8" 4-5/8" 1-3/8" 136
68V1800J J A 17.80 18.00 1-1/8" 7-1/8" 4-5/8" 1-3/8" 143
68V1900J J A 18.80 19.00 1-1/8" 7-1/8" 4-5/8" 1-3/8" 157
68V2000M M B 19.80 20.00 1-11/32" 7-1/8" 6-3/4" 31/32" 179
68V2120M M B 21.00 21.20 1-11/32" 7-1/8" 6-3/4" 31/32" 193
68V2240M M B 22.20 22.40 1-11/32" 7-1/8" 6-3/4" 31/32" 205
68V2480M M A 24.60 24.80 11/32" 7-1/8" 6-3/4" 1/32" 235
68V3000M M A 29.80 30.00 11/32" 7-1/8" 6-3/4" 1/32" 285
68V3550N N C 35.30 35.50 15/16" 7-1/8" 8-1/8" 1/16" 340
68V4000N N C 39.80 40.00 15/16" 7-1/8" 8-1/8" 1/16" 394
68V4450N N C 44.30 44.50 15/16" 7-1/8" 8-1/8" 1/16" 489
68V5300N N C 52.80 53.00 15/16" 7-1/8" 8-1/8" 1/16" 584

Related Matching 8V, 8V Banded Series V-Belt

(1) 8V-Series V-Belts

Classic 8V-Series V-Belts have a 0.63" top-width, 0.53" thickness, and a 38° angle. Additionally, 8V V-belts are one of the oldest styles of V-Belts in the industry. Because of their long-term success and economical operation, they are also one of the industry's most widely used belt series. The premium 8V-series v-belts we supply are manufactured under ISO 9001 specifications, are oil and heat resistant, and directly interchange with other brands. They are constructed of a natural rubber compound with polyester cords and use cotton with a polyester blend cover for high durability.

(2) 8V-Series Banded V-Belts

8V-series v-belts are a part of the "classic" lineup of v-belts because they are one of the oldest style belts used and one of the most common. Our belts are manufactured by ARPM standards and offer superior strength, durability, and performance. 8V-series v-belts have a 1.0" top-width per belt (band/ rib).

Related QD Bushings | Quick Disconnect Bushings

QD bushings are utilized throughout the industrial power transmission and agricultural industry for various sprockets, sheaves, pulleys, and synchronized drives. They are designed for easy installation and easy uninstallation; they are also commonly referred to as quick-disconnect bushings. QD bushings can help conventional mounting with the flange outboard and reverse mounting to where the flange is inboard and utilize a single split that extends through the entire bushing length. Our QD bushings interchange with other brands and are made from high-grade steel precision machined for perfect application fitment. QD bushings' benefits over different styles include; ease of installation/ uninstall, superior holding power, and extreme strengths. We stock all the standard sizes of QD bushings and supply custom QD bushings upon request, including stainless steel ones. QD bushings are found in some of the most rugged applications worldwide; contact our customer service team today for a quote or additional information on our premium QD bushings.

Bushing Type
Bolt Circle
Cap Screws Required
Min. Stock Bore
Max. Bore W/ KW
Max Bore W/ Shallow KW
Set Screw Size
Avg. Weight (LBS)
F 0.813" 4.437" 6.625" 2.813" 2.500" 0.423" 3.625" 5.625" 3 - 0.563X3.625 1.000" 3.313" 3.938" 0.5 - 13 11.5
J 1.000" 5.148" 7.250" 3.500" 3.188" 0.423" 4.500" 6.250" 3 - 0.625X4.5 1.438" 3.750" 4.500" 0.625 - 11 18.0
M 1.250" 6.500" 9.000" 5.500" 5.188" 0.423" 6.750" 7.875" 4 - 0.75X6.75 1.938" 4.750" 5.500" 0.75 - 10 37.0
N 1.500" 7.000" 10.25" 6.625" 6.250" 0.423" 8.125" 8.500" 4 - 0.875X8.5 2.438" 5.125" 6.000" 0.75 - 10 57.0

Why Does the Belt Fall off the Pulley by Itself When Driving?

1. The belt falls off the pulley by itself during transmission; it may be that the belt is installed too loosely;

2. It is also possible that the pulley and the motor drive end are unbalanced and not on the same level;

3. Check whether the pulley bearing is damaged and whether the pulley is vertical.

4. Check whether the drive end is firmly fixed and whether the belt model matches the pulley.

What Are the Pulleys Used For?

The pulley is not only used on the car; it is mainly used to transmit power over long distances. It has many applications, such as the power output of small diesel engines, such as tractors, cars, etc. It is also used in mechanical transmissions, such as machining equipment, textile machinery, lathes, and forging machines.

Technological Processing

Company Profile

HZPT is a professional manufacturer of mechanical parts. Our main products are timing pulleys, sprockets, split taper bushings, coupling, and other transmission parts. Its products are mainly exported to Germany, Britain, France, and other European countries, with an annual export value of 18 million U.S. dollars, accounting for more than 65% of the total output. The annual output value reached 200 million yuan.

Our products all adopt international, European, and American advanced industrial standards, use precise and good processing equipment, develop reasonable production technology, apply efficient and flexible management systems, and improve the quality management system to ensure that the product quality is good and the price is affordable.

Our factory adheres to the enterprise concept of "quality: the basis of enterprise survival, integrity: the basis of enterprise development, service: the source of enterprise development, low price: the instrument of enterprise development." We are always looking forward to the presence of customers at home and abroad, seeking win-win benefits and joint cause development.

Warehouse Stock

The warehouse covers an area of 5000 square meters and can provide all kinds of standard models A/B/C/Z, with complete quantity and large quantity in stock. Meanwhile, it accepts all sorts of non-standard customization for drawing production. The daily production capacity is 10 tons, and the delivery time is short.

Packaging & Shipping

Experienced Workers Packing Pulleys Carefully, safe wooden cases keep parts from being injured or damaged during sea or air shipment.


Q1. Are you a manufacturer or a trading company?

A: We are a manufacturer and trading company.

Q2. What is your sample policy?

A: We can supply the sample if we have finished parts in stock, but customers need to pay for the sample cost and shipping fee.

Q3. Can you produce according to the samples?

A: We can produce power transmission parts according to your samples or technical drawings. We can build the molds and fixtures.

Q4. Do you test all your goods before delivery?

A: Yes, we have 100% test before delivery.

Q5. Can you customize pulleys?

A: Yes, please send us your drawing for an accurate quotation.

Q6. How long is your delivery time and shipment?

A: 1. Sample Lead-times: 10-20 days.

2. Production Lead-times: 30-45 days after the order is confirmed.

Q7. How do you make our business a long-term and good relationship?

A: 1. We keep good quality and competitive price to ensure our customers' benefits ;

2. We respect every customer as our friend and sincerely do business and make friends with them, no matter where they come from.

Q8: What are your advantages?

1. The most competitive price and good quality.

2. Perfect technical engineers give you the best support.

3. OEM is available.

Additional information



industries we service

We promise will offer the best price by the high quality in china! We also accept special order about the products. If you are interested in our products. Please do not hesitate to let us know.We are pleased to give you the detailed information.We promise that our products would be safety and were in high quality and reasonable price. If you are interested in our products, please contact us asap.We are sincerely looking for your cooperation.

Most of our products are exported to Europe or Americas, both standard and nonstandard products available. We can produce as per your drawing or sample. Material can be standard or as per your special request. If you choose us, you choose reliable.

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