BK Series Cast lron Single Groove Sheaves Pulleys for “4L” or “A” Belts and “5L” or “B” Belts

BK series single groove pulleys are manufactured for B-series v-belts, BX V-Belts, 5L Belts, and A-Series V-Belts. BK series single groove pulleys range in diameter from 2.40″ to 18.25″, but custom ones are also available upon request.

Description

BK Series Cast lron Single Groove Sheaves

BK series single groove Sheaves(pulleys) are manufactured for B-series v-belts, BX V-Belts, 5L Belts, and A-Series V-Belts. And BK series single groove pulleys range in diameter from 2.40″ to 18.25″, but custom ones are also available upon request.

BK-Series Pulley Size Chart

BK Series Single Groove Sheaves

Size
Outside Diameter
Pitch Diameter (4L/A)
Pitch Diameter (5L/B)
Type
Dimension (F)
 (L)
Dimension (P)
 (C)
Pulley Weight
BK24 2.40″ 1.80″ 2.20″ 1 13/16″ 1-1/16″ 13/32″ 5/32″ 0.4 LBS
BK25 2.50″ 1.90″ 2.30″ 1 13/16″ 1-1/16″ 13/32″ 5/32″ 0.5 LBS
BK26 2.60″ 2.00″ 2.40″ 1 13/16″ 1-1/16″ 13/32″ 5/32″ 0.6 LBS
BK27 2.70″ 2.10″ 2.50″ 2 13/16″ 1-1/16″ 13/32″ 5/32″ 0.6 LBS
BK28 2.95″ 2.20″ 2.60″ 2 13/16″ 1-1/16″ 13/32″ 5/32″ 0.8 LBS
BK30 3.15″ 2.40″ 2.80″ 2 13/16″ 1-1/16″ 13/32″ 5/32″ 0.8 LBS
BK32 3.35″ 2.60″ 3.00″ 2 13/16″ 1-1/16″ 13/32″ 5/32″ 0.8 LBS
BK34 3.55″ 2.80″ 3.20″ 2 7/8″ 1-5/32″ 13/32″ 1/8″ 1.3 LBS
BK36 3.75″ 3.00″ 3.40″ 2 7/8″ 1-5/32″ 13/32″ 1/8″ 1.5 LBS
BK40
3.95″ 3.20″ 3.60″ 2 7/8″ 1-5/32″ 13/32″ 1/8″ 1.5 LBS
BK45 4.25″ 3.50″ 3.90″ 2 7/8″ 1-5/32″ 13/32″ 1/8″ 1.8 LBS
BK47 4.45″ 3.70″ 4.10″ 2 7/8″ 1-5/32″ 13/32″ 1/8″ 1.9 LBS
BK50 4.75″ 4.00″ 4.40″ 3 7/8″ 1-5/32″ 13/32″ 1/8″ 2.0 LBS
BK52 4.95″ 4.20″ 4.60″ 3 7/8″ 1-5/32″ 13/32″ 1/8″ 2.0 LBS
BK55 5.25″ 4.50″ 4.90″ 3 7/8″ 1-5/32″ 13/32″ 1/8″ 2.2 LBS
BK57 5.45″ 4.70″ 5.10″ 3 7/8″ 1-5/32″ 13/32″ 1/8″ 2.3 LBS
BK60 5.75″ 5.00″ 5.40″ 3 7/8″ 1-5/32″ 13/32″ 1/8″ 2.3 LBS
BK62 5.95″ 5.20″ 5.60″ 3 7/8″ 1-5/32″ 13/32″ 1/8″ 2.4 LBS
BK65 6.25″ 5.50″ 5.90″ 3 7/8″ 1-5/32″ 13/32″ 1/8″ 2.7 LBS
BK67 6.45″ 5.70″ 6.10″ 3 7/8″ 1-5/32″ 13/32″ 1/8″ 2.8 LBS
BK70 6.75″ 6.00″ 6.40″ 3 7/8″ 1-15/32″ 21/32″ 1/16″ 3.3 LBS
BK72 6.95″ 6.20″ 6.60″ 3 7/8″ 1-15/32″ 21/32″ 1/16″ 3.9 LBS
BK75 7.25″ 6.50″ 6.90″ 3 7/8″ 1-15/32″ 21/32″ 1/16″ 3.9 LBS
BK77 7.45″ 6.70″ 7.10″ 3 7/8″ 1-15/32″ 21/32″ 1/16″ 4.1 LBS
BK80
7.75″ 7.00″ 7.40″ 3 7/8″ 1-15/32″ 21/32″ 1/16″ 4.4 LBS
BK85 8.25″ 7.50″ 7.90″ 3 7/8″ 1-15/32″ 21/32″ 1/16″ 5.0 LBS
BK90 8.75″ 8.00″ 8.40″ 3 7/8″ 1-15/32″ 21/32″ 1/16″ 5.0 LBS
BK95 9.25″ 8.50″ 8.90″ 3 7/8″ 1-15/32″ 21/32″ 1/16″ 5.4 LBS
BK100 9.75″ 9.00″ 9.40″ 3 7/8″ 1-15/32″ 21/32″ 1/16″ 5.6 LBS
BK105 10.25″ 9.50″ 9.90″ 3 7/8″ 1-15/32″ 21/32″ 1/16″ 5.8 LBS
BK110 10.75″ 10.00″ 10.40″ 3 7/8″ 1-15/32″ 21/32″ 1/16″ 6.4 LBS
BK115 11.25″ 10.50″ 10.90″ 3 7/8″ 1-15/32″ 21/32″ 1/16″ 6.9 LBS
BK120 11.75″ 11.00″ 11.40″ 3 7/8″ 1-15/32″ 21/32″ 1/16″ 7.4 LBS
BK130 12.75″ 12.00″ 12.40″ 3 7/8″ 1-15/32″ 21/32″ 1/16″ 8.4 LBS
BK140 13.75″ 13.00″ 13.40″ 3 7/8″ 1-15/32″ 21/32″ 1/16″ 9.4 LBS
BK160 15.75″ 15.00″ 15.40″ 3 7/8″ 1-15/32″ 21/32″ 1/16″ 11.4 LBS
BK190 18.75″ 18.00″ 18.40″ 3 7/8″ 1-15/32″ 21/32″ 1/16″ 13.4 LBS

BK Series Single Groove Sheaves Description

 BK Series Sheave

BK30 to BK190

2BK32 to 2BK190

3BK45 to 3BK190

1)Widely used in the European & American markets with good hardness and strength
2)Suitable for  A, B 4L,5L V-belts
3)Material: Cast iron, Steel, aluminum alloy, etc
4)Finish: Gray Powder Paint, Zinc
5)Bored to size from 5/8 TO 1-7/16 inches

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.

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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