2B QD Bushed Sheaves Pulleys for “A” and “B” Belts

2B 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, SDS, SK, or SF QD bushings, which we also stock. 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.

Description

2B QD Bushed Sheaves Pulleys

2B series pulleys(QD Bushed Sheaves) 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, SDS, SK, or SF QD bushings, which we also stock. Most of our two-groove 2B 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.

2B Style QD Bushed Pulley Size Chart

2B QD Bushed Sheaves Pulleys

Size
Bushing Type
Pulley Type
Pitch Diameter (5L/B)
Pitch Diameter (4L/ A)
Outside Diameter
(E)
(F)
(L)
(M)
Pulley Weight (LBS)
2B34SH SH E 3.4″ 3.0″ 3.75″ 1-3/32″ 1-3/4″ 1-5/16″ 21/32″ 3.2
2B36SH SH D 3.6″ 3.2″ 3.95″ 15/32″ 1-3/4″ 1-5/16″ 29/32″ 3.4
2B38SH SH D 3.8″ 3.4″ 4.15″ 15/32″ 1-3/4″ 1-5/16″ 29/32″ 3.9
2B40SH SH A 4.0″ 3.6″ 4.35″ 1/32″ 1-3/4″ 1-5/16″ 13/32″ 4.1
2B42SH SH A 4.2″ 3.8″ 4.55″ 1/32″ 1-3/4″ 1-5/16″ 13/32″ 4.4
2B44SH SH A 4.4″ 4.0″ 4.75″ 1/32″ 1-3/4″ 1-5/16″ 13/32″ 4.6
2B46SDS SDS A 4.6″ 4.2″ 4.95″ 1/32″ 1-3/4″ 1-5/16″ 13/32″ 5.0
2B48SDS SDS A 4.8″ 4.4″ 5.15″ 1/32″ 1-3/4″ 1-5/16″ 13/32″ 5.4
2B50SDS SDS A 5.0″ 4.6″ 5.35″ 1/32″ 1-3/4″ 1-5/16″ 13/32″ 6.0
2B52SDS
SDS A 5.2″ 4.8″ 5.55″ 1/32″ 1-3/4″ 1-5/16″ 13/32″ 6.3
5B54SDS SDS A 5.4″ 5.0″ 5.75″ 1/32″ 1-3/4″ 1-5/16″ 13/32″ 6.6
2B56SDS SDS A 5.6″ 5.2″ 5.95″ 1/32″ 1-3/4″ 1-5/16″ 13/32″ 6.9
2B58SDS SDS A 5.8″ 5.4″ 6.15″ 1/32″ 1-3/4″ 1-5/16″ 13/32″ 7.2
2B60SDS SDS A 6.0″ 5.6″ 6.35″ 1/32″ 1-3/4″ 1-5/16″ 13/32″ 7.5
2B62SDS SDS A 6.2″ 5.8″ 6.55″ 1/32″ 1-3/4″ 1-5/16″ 13/32″ 7.8
2B64SDS SDS A 6.4″ 6.0″ 6.75″ 1/32″ 1-3/4″ 1-5/16″ 13/32″ 8.2
2B66SDS SDS A 6.6″ 6.2″ 6.95″ 1/32″ 1-3/4″ 1-15/16″ 13/32″ 8.6
2B68SDS SDS A 6.8″ 6.4″ 7.15″ 1/32″ 1-3/4″ 1-15/16″ 13/32″ 9.0
2B70SK SK D 7.0″ 6.6″ 7.35″ 11/32″ 1-3/4″ 1-15/16″ 5/32″ 9.3
2B74SK SK D 7.4″ 7.0″ 7.75″ 11/32″ 1-3/4″ 1-15/16″ 5/32″ 10.6
2B80SK SK D 8.0″ 7.6″ 8.35″ 11/32″ 1-3/4″ 1-15/16″ 5/32″ 11.0
2B86SK SK D 8.6″ 8.2″ 8.95″ 11/32″ 1-3/4″ 1-15/16″ 5/32″ 11.6
2B94SK SK D 9.4″ 9.0″ 9.75″ 11/32″ 1-3/4″ 1-15/16″ 5/32″ 13.0
2B110SK
SK D 11.0″ 10.6″ 11.35″ 11/32″ 1-3/4″ 1-15/16″ 5/32″ 14.0
2B124SK SK D 12.4″ 12.0″ 12.75″ 11/32″ 1-3/4″ 1-15/16″ 5/32″ 18.0
2B136SK SK D 13.6″ 13.2″ 13.95″ 11/32″ 1-3/4″ 1-15/16″ 5/32″ 20.0
2B154SK SK D 15.4″ 15.0″ 15.75″ 11/32″ 1-3/4″ 1-15/16″ 5/32″ 23.0
2B160SK SK D 16.0″ 15.6″ 16.35″ 11/32″ 1-3/4″ 1-15/16″ 5/32″ 24.0
2B184SK SK D 18.4″ 18.0″ 18.75″ 11/32″ 1-3/4″ 1-15/16″ 5/32″ 29.0
2B200SF SF D 20.0″ 19.6″ 20.35″ 15/32″ 1-3/4″ 2-1/16″ 5/32″ 33.0
2B250SF SF D 25.0″ 24.6″ 25.35″ 15/32″ 1-3/4″ 2-1/16″ 5/32″ 41.0
2B300SF SF D 30.0″ 29.6″ 30.35″ 15/32″ 1-3/4″ 2-1/16″ 5/32″ 51.0
2B380SF SF D 38.0″ 37.6″ 38.35″ 15/32″ 1-3/4″ 2-1/16″ 5/32″ 64.0

Features of QD Sheaves

QD conventional sheaves are offered in AB combination grooves with 1 thru 6 grooves and 8 and 10 grooves, and C grooves with 1 thru 6 grooves and 8 and 10 grooves. Styles depending on size include solid, web, and spoke design. Outside diameters range from 3.75″ to 50.4″ with the most popular sizes. These sheaves are designed to be used with QD bushings. “H” bushings are available. All industry standard QD bushings are available in standard, and  Splined and hex bores are also available by quotation. Do not use with rim speeds over 6500 feet per minute.

2B QD Bushed Sheaves Pulleys Common Applications

  1. Machine tools
  2. Crushers, shredders, breakers, classifiers, shaker screens
  3. Material conveyor systems
  4. Fans, blowers, and exhausters
  5. Pumps and compressors
  6. Woodworking saws, mills, planers, lathes

Technological Processing

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.

FAQ

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.
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.

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Packing&Shipping & Delivery

china Packing Shipping Delivery

Packing Shipping Delivery

Chains package: First we will use carton package the chains--------then put in wooden box.
We also can custom color package according to your demand
Company Profile
Company Profile
FAQ

How to choose power transmissions parts and industrial products which meet our requirement

Chains Sprockets Pulleys Timing belt Pulley V-belt Pulley
Sheaves Coupings Bush &Hub Gear& Rack V-Belt
Locking Assembly Pulley Gearbox Reducer Shaft Collar
Rod End Bearing Clevis PTO Chain Guide Belt Guide
Rubber Buffer Chain Tensioner PTO Drive Shafts Universal Joints Roller Chains
Conveyor Chains V-Belts Worm Gearbox Helical Gear Worm
Agricultural Chain CNC Proces Parts Casting Stamping
Powder Metallurgy CNC Proces Parts Casting Stamping

What Products Do you sell ? 

We  are a group of factories, give customer one stop solution of power transmission and industrial products. We are in the position to supply wide range of products, including chains, sprockets, v-belt and v-belt pulleys, timing belt and timing belt pulleys, gears, speed reducers, motors, racks, couplings, and many other parts, like locking assembly, taper bushing, Chain guide, shaft collar, torque limiter, cam clutch, universal joint, motor base and motor slide, rod end, clevis, rubber mount, etc. We make special parts according to drawings and/or samples.

How to choose a gearbox which meets our requirement?
You can refer to our catalogue to choose the gearbox or we can help to choose when you provide
the technical information of required output torque, output speed and motor parameter etc.

What information shall we give before placing a purchase order?
a) Type of the gearbox, ratio, input and output type, input flange, mounting position, and motor informationetc.
b) Housing color.
c) Purchase quantity.
d) Other special requirements.

What industries are your gearboxes being used?
Our gearboxes are widely used in the areas of textile, food processing, beverage, chemical industry,
escalator,automatic storage equipment, metallurgy, tabacco, environmental protection, logistics and etc.

What is the producing process?

Production process including raw material cutting, machine processing, grinding, accessories cleaning, assemble, cleaning, stoving, oil coating, cover pressing, testing, package.

How to control the products quality?

Combining advanced equipment and strict management, we provide high standard and quality bearings for our customers all over the world.

What is the transportation?

-If small quantity , we Suggest to send by express, such as DHL,UPS, TNT FEDEX. If large amount, by air or sea shipping.

Can we design packaging?

-Yes. Default is regular packing, and we can make customer's own packing.

Can you provide OEM service?

-Yes, we work on OEM orders. Which means size, quantity, design, packing solution, etc will depend on your requests; and your logo will be customized on our products.

Can you give me discount on Power Transmissions Parts and Industrial parts?

-Yes, of course. Pls. send me your Email, you'll get more

Q: Are You a trading company or a manufacturer?

A: We Are the factory and have our Own trading company

Q: How Can I get an offer?

A: please send US quotation information: drawings, materials, weight, quantity and requirements, we can accept PDF, ISGS, DWG, STEP file format. If you don't have the drawings, please send us the samples, we can also quote you according to your samples.

Q: What is your minimum order size?

A: it is usually 100 pieces, but a low quantity is acceptable under some special circumstances.

Q: Do you provide samples? Is it free or extra?

A: Yes, we can provide samples free of charge, but we don't pay the freight.

Q: What is the lead time for mass production?

A: honestly, it depends on the number of orders. Normally, if you don't need the tools, deposit them after 30 days or so.

Q: What if the parts don't Work?

A: we can guarantee the quality, but if it happens, please contact us immediately, take some photos, we will check the problem and solve it as soon as possible.

Q: What are your terms of payment?

A: payment is less than US $1000,100% in advance. Payment: $1000,50% wire transfer in advance, balance before shipment,Other Terms of payment are negotiable