Product Description
4B QD Bushed Sheaves Pulleys for A and B Belts
Product Description
4B series pulleys are manufactured for A, AX, AA, 4L, B, BX, BB, and 5L v-belts, ranging from 3.75″ to 38.35″ in diameter. Depending on the pulley size, they are made to use with SH, SD, SK, SF, or E QD bushings, which we also stock. Most of our four-groove 4B QD bushed pulleys 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. The main benefit of using a QD (quick detachable) pulley is that if the bushing (hub) breaks, you don’t have to replace the whole assembly, or if just the pulley gets worn out, the same principle applies. The other significant benefit is that there is a broader range of bore options with QD pulleys than with the “fixed-bore” style.
Product Parameters
|
Size |
Bushing Type |
Pulley Type |
Pitch Diameter (5L/B) |
Pitch Diameter (4L/ A) |
Outside Diameter |
(E) |
(F) |
(L) |
(M) |
Pulley Weight (LBS) |
|---|---|---|---|---|---|---|---|---|---|---|
| 4B34SD | SD | E | 3.4″ | 3.0″ | 3.75″ | 2-15/32″ | 3-1/4″ | 1-13/16″ | 1-1/32″ | 5.5 |
| 4B36SD | SD | E | 3.6″ | 3.2″ | 3.95″ | 2-15/32″ | 3-1/4″ | 1-13/16″ | 1-1/32″ | 5.8 |
| 4B38SD | SD | E | 3.8″ | 3.4″ | 4.15″ | 2-15/32″ | 3-1/4″ | 1-13/16″ | 1-1/32″ | 6.2 |
| 4B40SD | SD | E | 4.0″ | 3.6″ | 4.35″ | 2-15/32″ | 3-1/4″ | 1-13/16″ | 21/32″ | 6.6 |
| 4B42SD | SD | E | 4.2″ | 3.8″ | 4.55″ | 2-15/32″ | 3-1/4″ | 1-13/16″ | 21/32″ | 6.9 |
| 4B44SD | SD | E | 4.4″ | 4.0″ | 4.75″ | 2-15/32″ | 3-1/4″ | 1-13/16″ | 21/32″ | 7.2 |
| 4B46SD | SD | A | 4.6″ | 4.2″ | 4.95″ | 21/32″ | 3-1/4″ | 1-13/16″ | 25/32″ | 7.6 |
| 4B48SD | SD | A | 4.8″ | 4.4″ | 5.15″ | 21/32″ | 3-1/4″ | 1-13/16″ | 25/32″ | 8.0 |
| 4B50SD | SD | A | 5.0″ | 4.6″ | 5.35″ | 21/32″ | 3-1/4″ | 1-13/16″ | 25/32″ | 8.4 |
| 4B52SD | SD | A | 5.2″ | 4.8″ | 5.55″ | 21/32″ | 3-1/4″ | 1-13/16″ | 25/32″ | 8.8 |
| 4B54SD | SD | A | 5.4″ | 5.4″ | 5.75″ | 21/32″ | 3-1/4″ | 1-13/16″ | 25/32″ | 9.2 |
| 4B56SD | SD | A | 5.6″ | 5.2″ | 5.95″ | 21/32″ | 3-1/4″ | 1-13/16″ | 25/32″ | 9.6 |
| 4B58SD | SD | A | 5.8″ | 5.4″ | 6.15″ | 21/32″ | 3-1/4″ | 1-13/16″ | 25/32″ | 10.0 |
| 4B60SD | SD | A | 6.0″ | 5.6″ | 6.35″ | 21/32″ | 3-1/4″ | 1-13/16″ | 25/32″ | 10.4 |
| 4B62SD | SD | A | 6.2″ | 5.8″ | 6.55″ | 21/32″ | 3-1/4″ | 1-13/16″ | 25/32″ | 10.8 |
| 4B64SD | SD | A | 6.4″ | 6.0″ | 6.75″ | 21/32″ | 3-1/4″ | 1-13/16″ | 25/32″ | 12.0 |
| 4B66SD | SD | A | 6.6″ | 6.2″ | 6.95″ | 21/32″ | 3-1/4″ | 1-13/16″ | 25/32″ | 12.4 |
| 4B68SD | SD | A | 6.8″ | 6.4″ | 7.15″ | 21/32″ | 3-1/4″ | 1-13/16″ | 25/32″ | 13.0 |
| 4B70SK | SK | A | 7.0″ | 6.6″ | 7.35″ | 7/32″ | 3-1/4″ | 1-15/16″ | 1-3/32″ | 13.5 |
| 4B74SK | SK | A | 7.4″ | 7.0″ | 7.75″ | 7/32″ | 3-1/4″ | 1-15/16″ | 1-3/32″ | 14.0 |
| 4B80SK | SK | A | 8.0″ | 7.6″ | 8.35″ | 7/32″ | 3-1/4″ | 1-15/16″ | 1-3/32″ | 15.5 |
| 4B86SK | SK | A | 8.6″ | 8.2″ | 8.95″ | 7/32″ | 3-1/4″ | 1-15/16″ | 1-3/32″ | 17.0 |
| 4B94SK | SK | A | 9.4″ | 9.0″ | 9.75″ | 7/32″ | 3-1/4″ | 1-15/16″ | 1-3/32″ | 19.0 |
| 4B110SK | SK | A | 11.0″ | 10.6″ | 11.35″ | 7/32″ | 3-1/4″ | 1-15/16″ | 1-3/32″ | 22.0 |
| 4B124SK | SK | A | 12.4″ | 12.0″ | 12.75″ | 7/32″ | 3-1/4″ | 1-15/16″ | 1-3/32″ | 29.0 |
| 4B136SK | SK | A | 13.6″ | 13.2″ | 13.95″ | 7/32″ | 3-1/4″ | 1-15/16″ | 1-3/32″ | 34.0 |
| 4B154SF | SF | A | 15.4″ | 15.0″ | 15.75″ | 5/32″ | 3-1/4″ | 2-1/16″ | 1-1/32″ | 39.0 |
| 4B160SF | SF | A | 16.0″ | 15.6″ | 16.35″ | 5/32″ | 3-1/4″ | 2-1/16″ | 1-1/32″ | 42.0 |
| 4B184SF | SF | A | 18.4″ | 18.0″ | 18.75″ | 5/32″ | 3-1/4″ | 2-1/16″ | 1-1/32″ | 47.0 |
| 4B200SF | SF | A | 20.0″ | 19.6″ | 20.35″ | 5/32″ | 3-1/4″ | 2-1/16″ | 1-1/32″ | 51.0 |
| 4B250E | E | D | 25.0″ | 24.6″ | 25.35″ | 5/32″ | 3-1/4″ | 2-3/4″ | 21/32″ | 73.0 |
| 4B300E | E | D | 30.0″ | 29.6″ | 30.35″ | 5/32″ | 3-1/4″ | 2-3/4″ | 21/32″ | 86.0 |
| 4B380E | E | D | 38.0″ | 37.6″ | 38.35″ | 5/32″ | 3-1/4″ | 2-3/4″ | 21/32″ | 109.0 |
Company Profile
HZPT is a professional manufacturer of mechanical parts. Our main products are belt pulleys, sprockets, taper sleeves, 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 US 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 CZPT to the presence of customers at home and abroad, seeking CZPT benefits and joint cause development.
Warehouse Stock
The warehouse covers an area of 5000 square CZPT 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.
| Certification: | CE, ISO |
|---|---|
| Pulley Sizes: | Type F |
| Manufacturing Process: | Forging |
| Material: | Carbon Steel |
| Surface Treatment: | Baking Paint |
| Application: | Chemical Industry, Grain Transport, Mining Transport, Power Plant |
| Samples: |
US$ 9999/Piece
1 Piece(Min.Order) | |
|---|
bushing design 

editor by CX 2023-05-05
Product Description
Widely Utilised American Standard 8B QD Bushed Sheaves Pulleys For A And B Belts
The 8B collection pulleys are suitable for A, AX, AA, 4L, B, BX, BB, and 5L v belts with diameters from 5.75 “to 38.35”. Dependent on the pulley measurement, they can be used with SD, SK, SF, or E QD bushings, which we also have in inventory. Most of our eight-groove 8B QD bushing pulleys are substantial-energy quality 35 cast iron, coated with phosphate and anti-corrosion paint. All these are well balanced at the factory to make certain the machine’s sleek procedure. The principal benefit of using QD (swift removable) pulleys is that if the bushing (hub) is damaged, the complete assembly does not need to have to be replaced, or if only the pulley is worn, the same principle applies. An additional significant advantage is that QD pulleys have a much more thorough selection of gap possibilities than the “fixed gap” type.
8B Design QD Bushed Pulley Dimensions Chart
QD casing regular installation
*Just make certain that the tapered cone location of the bushing and the inside of of the pulley is free of charge of dust.
*Now put in the QD bushing in the pulley or QD product, align it with the clearance hole in the solution, and install the threaded hole in the bushing.
*Thread the hand lock washer and cap screw by way of the higher pull hole.
*Ensure the bushing is entirely expanded to make sure a sliding match on the shaft. Now set up the slider CZPT the shaft, provided that the head of the cover screw is outdoors.
*Now area the assembly on the shaft for specific alignment of the drive. Tighten the cap essential with the support of an Allen key. Keep away from making use of excessive drive.
*It is time to alternately tighten the cap screws and slowly tighten them to a certain torque. The perfect length in between these 2 segments is 1/8 to ¼ Inch to ensure optimum cone grip and keep a press match. Do not enable the pulley to contact the flange of the bushing.
Be aware: Right after installing the QD bushing, do not neglect to fill the gap to stop dust from entering.
Disassembly procedure
*Eliminate the cap screw and gradually place it in the threaded gap of the pulley in opposition to the flange of the QD bushing till the bushing clamp is released.
*Now loosen the set screw and get rid of the assembly from the shaft. You have accomplished the uninstall approach.
Notice: The use of lubricant or any kind of anti-seize factor or cone, or even bolt threads, may harm the pulley. Avoid this predicament.
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Company Data
| Type: | Agricultural |
|---|---|
| Usage: | Agricultural Products Processing, Farmland Infrastructure, Tillage, Harvester, Planting and Fertilization, Grain Threshing, Cleaning and Drying |
| Material: | Iron |
| Power Source: | Electricity |
| Weight: | 6kg |
| After-sales Service: | Installation Guide 3-Year Warranty |
| Type: | Agricultural |
|---|---|
| Usage: | Agricultural Products Processing, Farmland Infrastructure, Tillage, Harvester, Planting and Fertilization, Grain Threshing, Cleaning and Drying |
| Material: | Iron |
| Power Source: | Electricity |
| Weight: | 6kg |
| After-sales Service: | Installation Guide 3-Year Warranty |
define bushing 

editor by czh 2023-01-17
Product Description
High Quality American Standard 10B QD Bushed Sheaves Pulleys For A And B Belts
10B series pulleys are used for A, AX, AA, 4L, B, BX, BB, and 5L v belts with diameters from 5.75 “to 38.35”. Depending on the pulley size, they can be used with SK, SF, E, F, or J QD bushings, which we also have in stock. Our ten-groove 10B QD bushing pulley is mainly made of high-strength grade 35 cast iron, coated with phosphate and anti-corrosion paint. All these are balanced at the factory to ensure the machine’s smooth operation. The main advantage of using QD (quick detachable) pulleys is that if the bushing (hub) is damaged, the entire assembly does not need to be replaced, or if only the pulley is worn, the same principle applies. Another significant advantage is that QD pulleys have a more comprehensive range of hole options than the “fixed hole” type.
10B Style QD Bushed Pulley Size Chart
Advantages of 10B QD bushing pulley:
*Standards for various shapes and sizes
*High availability
*Good cost performance
*Interchangeable due to international standardization
*Simple assembly
*The brake disc is balanced and runs smoothly
*Low wear
In addition to our standard series, we also specially design and manufacture American 3V, 5V, and 8V pulleys and carry out unique designs according to the specifications of individual customers.
Application of QD bushing pulley
The V-belt pulley can be used for power transmission systems of small diesel engines, agricultural vehicles, tractors, automobiles, mining equipment, processing equipment, textile machinery, packaging machinery, lathes, forging presses, small horsepower motorcycles, agrarian machinery transmission systems, air compressors, reducers, generators, cotton ginners, etc.
application_for_electric_machinery;application_for_automobile
Company Information
| Type: | Agricultural |
|---|---|
| Usage: | Agricultural Products Processing, Farmland Infrastructure, Tillage, Harvester, Planting and Fertilization, Grain Threshing, Cleaning and Drying |
| Material: | Iron |
| Power Source: | Electricity |
| Weight: | 6kg |
| After-sales Service: | Installation Guide 3-Year Warranty |
| Type: | Agricultural |
|---|---|
| Usage: | Agricultural Products Processing, Farmland Infrastructure, Tillage, Harvester, Planting and Fertilization, Grain Threshing, Cleaning and Drying |
| Material: | Iron |
| Power Source: | Electricity |
| Weight: | 6kg |
| After-sales Service: | Installation Guide 3-Year Warranty |
bushing design 

editor by czh 2022-11-26
Item Description
Cable sheaves and pulleys,
With high bearing capacity, substantial wear resistance and CZPT provider life
Sheave characteristics:
1) Substance: Q235B, Q345B, 35#, forty five#, sixty#, SSW-QR1, S45C
two) Groove surface quench: HRC45-55
three) Groove surface quench depth: 2mm-2.5mm
four) groove MT soon after warmth therapy and welding line UT and MT
4) CZPT processing diameter: 2, 000mm
five) Quick creation cycle
It is utilized for crane equipment, port gear, oil drilling rig and so on.
| Code | Wire rope diameter(mm) | Main dimension(mm) A | |||||
| Groove diameter | Outside the house diameter | R | Groove Width | Shaft diameter | Bearing gap width | ||
| BX1201 | ten-fourteen | 240 | 280 | seven | 37 | 55 | fifty five |
| BX2201 | >14-19 | 350 | four hundred | ten | fifty | 80 | eighty |
| BX3201 | >19-23.five | 440 | 510 | 12 | 60 | ninety five | 95 |
| BX4201 | >23.5-thirty | 510 | 650 | 15 | 73 | one hundred thirty | 122 |
| BX5201 | >23.5-30 | 680 | 800 | 19 | ninety two | one hundred sixty | 142 |
| BX6201 | >30-37 | 800 | 920 | 22 | 104 | 160 | 142 |
| BX7201 | >43-fifty | 900 | 1050 | 26 | 123 | a hundred ninety | 182 |
| BX8201 | >50-58 | 1100 | 1260 | 29 | one hundred thirty five | a hundred ninety | 182 |
Services:
Ideal Providers For You
1) We can give CZPT service and style for you
two) We can pack the items according to your requirement
three) We check the quality of all merchandise prior to delivery
4) We guarantee CZPT reply in 24 several hours of operating day
5) We can talk with you in various languages
six) CZPT quality, best value, punctual shipment, good following-sale service will be confirmed.
FAQ:
Q: What details should I provide if I want to buy the merchandise?
1) Product data: CZPT tity, specification
two) Delivery time needed.
3) CZPT info: Company name, handle, mobile phone number, vacation spot seaport/air port.
four) Forwarder’s speak to particulars if there is any in CZPT .
Q: How about your payment conditions?
A: 30% -50%deposit, with the harmony just before delivery, we accept T/T and L/C at sight.
Q: Can I use CZPT personal emblem?
A: Indeed, we can produce by using your very own emblem if you need.
Q: How about sample & MOQ coverage?
A: Welcome sample get. MOQ can be 1 established.
Q: What is your guide time for your merchandise?
A: Normally 30 times after confirmed get,
