6B QD Bushed Sheaves Pulleys for “A” and “B” Belts

6B 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 SD, SK, SF, or E QD bushings, which we also stock. Most of our six-groove 6B QD bushed pulleys are manufactured from a high-strength grade 35 cast iron, are phosphate-coated, and are painted for anti-corrosion. 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

6B QD Bushed Sheaves

6B QD Bushed Sheaves pulleys are working with 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 making with SD, SK, SF, or E QD bushings, which we also stock. Most of our six-groove 6B QD bushed pulleys are making from a high-strength grade 35 cast iron, with phosphate-coated, painted for anti-corrosion. We will balance the sheaves 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. 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.

6B Style QD Bushed Pulley Size Chart

6B QD Bushed Sheaves

Size
Bushing Type
Pulley Type
Pitch Diameter (5L/B)
Pitch Diameter (4L/ A)
Outside Diameter
(E)
(F)
(L)
(M)
Pulley Weight (LBS)
6B34SD SD E 3.4″ 3.0″ 3.75″ 3-31/32″ 4-3/4″ 1-13/16″ 1-1/32″ 6.7
6B36SD SD E 3.6″ 3.2″ 3.95″ 3-31/32″ 4-3/4″ 1-13/16″ 1-1/32″ 7.4
6B38SD SD E 3.8″ 3.4″ 4.15″ 3-31/32″ 4-3/4″ 1-13/16″ 1-1/32″ 8.0
6B40SD SD E 4.0″ 3.6″ 4.35″ 3-19/32″ 4-3/4″ 1-13/16″ 21/32″ 8.4
6B42SD SD E 4.2″ 3.8″ 4.55″ 3-19/32″ 4-3/4″ 1-13/16″ 21/32″ 9.0
6B44SD SD E 4.4″ 4.0″ 4.75″ 3-19/32″ 4-3/4″ 1-13/16″ 21/32″ 9.7
6B46SD SD A 4.6″ 4.2″ 4.95″ 21/32″ 4-3/4″ 1-13/16″ 2-9/32″ 10.1
6B48SD SD A 4.8″ 4.4″ 5.15″ 21/32″ 4-3/4″ 1-13/16″ 2-9/32″ 10.6
6B50SD
SD A 5.0″ 4.6″ 5.35″ 21/32″ 4-3/4″ 1-13/16″ 2-9/32″ 11.0
6B52SD SD A 5.2″ 4.8″ 5.55″ 21/32″ 4-3/4″ 1-13/16″ 2-9/32″ 12.0
6B54SK SK A 5.4″ 5.4″ 5.75″ 17/32″ 4-3/4″ 1-15/16″ 2-9/32″ 13.0
6B56SK SK A 5.6″ 5.2″ 5.95″ 17/32″ 4-3/4″ 1-15/16″ 2-9/32″ 14.0
6B58SK SK A 5.8″ 5.4″ 6.15″ 17/32″ 4-3/4″ 1-15/16″ 2-9/32″ 14.6
6B60SK SK A 6.0″ 5.6″ 6.35″ 17/32″ 4-3/4″ 1-15/16″ 2-9/32″ 15.0
6B62SK SK A 6.2″ 5.8″ 6.55″ 17/32″ 4-3/4″ 1-15/16″ 2-9/32″ 16.0
6B64SK SK A 6.4″ 6.0″ 6.75″ 17/32″ 4-3/4″ 1-15/16″ 2-9/32″ 17.0
6B66SK SK A 6.6″ 6.2″ 6.95″ 17/32″ 4-3/4″ 1-15/16″ 2-9/32″ 18.0
6B68SK SK A 6.8″ 6.4″ 7.15″ 17/32″ 4-3/4″ 1-15/16″ 2-9/32″ 19.0
6B70SF SF A 7.0″ 6.6″ 7.35″ 27/32″ 4-3/4″ 2-1/16″ 1-27/32″ 20.0
6B74SF SF A 7.4″ 7.4″ 7.75″ 27/32″ 4-3/4″ 2-1/16″ 1-27/32″ 22.0
6B80SF SF A 8.0″ 7.6″ 8.35″ 27/32″ 4-3/4″ 1-15/16″ 1-27/32″ 24.0
6B86SF SF A 8.6″ 8.2″ 8.95″ 27/32″ 4-3/4″ 1-15/16″ 1-27/32″ 26.0
6B94SF
SF A 9.4″ 9.0″ 9.75″ 27/32″ 4-3/4″ 1-15/16″ 1-27/32″ 27.0
6B110SF SF A 11.0″ 10.6″ 11.35″ 27/32″ 4-3/4″ 1-15/16″ 1-27/32″ 32.0
6B124SF SF A 12.4″ 12.0″ 12.75″ 27/32″ 4-3/4″ 1-15/16″ 1-27/32″ 29.0
6B136SF SF A 13.6″ 13.2″ 13.95″ 27/32″ 4-3/4″ 2-1/16″ 1-27/32″ 44.0
6B154SF SF A 15.4″ 15.0″ 15.75″ 27/32″ 4-3/4″ 2-1/16″ 1-27/32″ 50.0
6B160SF SF A 16.0″ 15.6″ 16.35″ 27/32″ 4-3/4″ 2-1/16″ 1-27/32″ 54.0
6B184SF SF A 18.4″ 18.0″ 18.75″ 27/32″ 4-3/4″ 2-1/16″ 1-27/32″ 62.0
6B200E E A 20.0″ 19.6″ 20.35″ 7/32″ 4-3/4″ 2-3/4″ 1-25/32″ 74.0
6B250E E A 25.0″ 24.6″ 25.35″ 7/32″ 4-3/4″ 2-3/4″ 1-25/32″ 96.0
6B300E E A 30.0″ 29.6″ 30.35″ 7/32″ 4-3/4″ 2-3/4″ 1-25/32″ 119.0
6B380E E A 38.0″ 37.6″ 38.35″ 7/32″ 4-3/4″ 2-3/4″ 1-25/32″ 134.0

Why Choose Our V-belt Pulley?

We are a professional manufacturer of standard V pulley. Our pulley feature is as follows:

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 solid hubs. Standard sheaves, taper bushes sheaves, AK, BK series sheaves. Variable pitch sheaves, Europe-type sheaves. Taper bushings.
4. Surface treatment: Black oxide, phosphate, painted or passivated, zinc planting 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 balanced with high precision dynamical balancing tools, unbalanced volume corrected accurately.
With standardized design and well-equipped CNC machining systems. Our pulleys have high Precision and good interchangeability. And now our products are mainly exported to European and American countries. Our prices are the most competitive in China, so if there is any inquiry, please do not hesitate to contact us. We will always do our best to meet your requirements!
Take advantage of raw materials and labor, and our product prices are the most competitive in China. And at the moment 90% of our products have been exported to Euro, we guarantee to provide you good quality with best prices.

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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