wire rope blocks and sheaves manufacturer

Manufacturer of standard & custom material handling, conveyance & extraction equipment for railroad, mining, tunneling & underground applications. Products include custom industrial wheels, industrial cars, turntables, automatic dump buckets, scrap charging buckets, trailers, locomotives, personnel carriers, utility vehicles, transfer cars & self dumping hoppers. Industrial cars include furnace cars, skip cars, kiln cars, weigh & scale cars, roll transfer cars, die transfer cars, shot blast cars & mobile quench cars. Distributor of spare parts for material handling equipment including roller chains, conveyor chains, mining chains, sprockets, power transmission products rail switching systems, signals & controls, filtration products, ventilation products, drills, hydraulic hand tools, shock absorbers, cable rings & saddles, electric vehicle controls & gears. Capabilities include design & machining. Bogie repair services & crane & heavy wheel assemblies reconditioning services are also available.

At Bear Equipment Inc. we pride ourselves on our many years of customer service, same day quotations, quick and on time delivery along with providing a quality product at a competitive price.

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Primarily, we are an engineering firm.  We take your technical requirements for wire rope sheaves and translate them into cost effective solutions to meet or exceed the performance required of your application.

For years, Sheaves Inc. (Esheaves) has been the number one source for the wire rope industry, developing and providing custom engineered wire rope QSheaves™ that meet your specific needs and rigors of your application. We also supply a large inventory of stock sheaves from the best known brands in the industry.

Our expertise is based on decades of engineering and supplying leading manufacturers, from the simplest applications to the most demanding. We’ve supplied sheaves for a range of applications, from industrial machines, manufacturing equipment, and military applications, to recreational equipment, theater rigging, and large commercial boat lifts.

We pride ourselves on our quality products and excellent customer service, as well as our continual desire to look for innovative ways to meet your needs; achieved, for example, in our patented line of steel sheaves that allow us to provide an extensive range of 6” to 12” QSheaves™ to be shipped the same day.

Engineering sheave solutions is what we do best and what we do all day, every day. We respond to our customers immediately with technical answers and practical solutions. If we, on the rare occasion cannot provide you with the solution you are looking for we will point you to who can. Why, because our customers are OUR number one priority!

American Block is an industry leader in design and manufacture of wire rope sheaves, a reputation backed up by over 40 years of experience and field performance. Sheaves are available in diameters ranging from 20″ to 120″ and for any size of wire rope. Sheave bores can be made to accommodate roller bearings, bushings, snap rings or special designs. Our standard welded sheaves feature forged rings for reliable strength and durability, and full penetration welds between the web and hub for the strongest possible connection. Sheave grooves are flame hardened to 35 RC minimum for extended resistance against wear. The option for custom-designed sheaves is readily available, as most features can be easily adjusted to meet customer requirements. Sheaves assemblies are available with bearing, bushing, seals, snap rings and cover plates as installed options. We manufacture sheaves to API 8C, and third party certification such as ABS or DNV is available upon request.

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Bairstow Lifting Products supplies and distributes lift assistance products from some of the very best, quality manufacturers such as McKissick, Johnson, RopeBlock, Skookum, Harrington Hoists, Tractel, CM, Coffing, Lug-All, Little Mule, Caldwell, VersaBar, TandemLoc, Lettelier and more. Our pulley blocks and sheaves for wire rope are made from the highest quality materials.Browse our industrial pulley systems below and find the ideal product for your specifications.

2" to 4" Wire Rope Pulleys are furnished with a 7/8" stock bore to receive a press fit on the 7/8" outside diameter powdered metal bushing sizes. Pulleys and bushings should be ordered separately by stock number.

5" to 10" Wire Rope Pulleys are furnished with a 1-1/4" stock bore to receive a press fit on the 1-1/4" outside diameter powdered metal bushing sizes. Pulleys and bushings should be ordered separately by stock number.

One of the most important parts of a lift system consisting of a series of pulleys and wires or ropes is the sheave block. This component guides the wires or ropes in the system, helping to make the work of lifting heavy items easier.

The block and tackle system have been around for centuries and was one of the first tool systems invented to help humans move heavy loads. Believed to have been invented by Archimedes around 250 BC, the mechanical advantage this system provides allows us to move extremely heavy loads by less people than would otherwise be possible without it. Kennedy Wire Rope & Sling Company offers various types of sheave blocks to match your particular use and need. Each type of sheave blocks that we offer have different load capacities. We encourage you to reach out to us for a consultation on which would work best for your industrial, construction, or other application.

First and foremost, you should consider how much weight your system will have to lift. A sheave block usually has a recommended weight limit that shouldn’t be exceeded if you want your system to work properly for a long period of time. Be sure you build your system around the largest load you will have to lift to ensure you don’t have to spend the time and effort upgrading too soon in the future. In addition, the diameter of the rope you use will also have an impact on the amount of weight the system can lift.

There are several types of sheave blocks to choose from. Before settling on one block in particular, it’s important to look into the benefits of each type to ensure you purchase the right sheave block. You should select one that will not only work best for your system, but also for the type and weight of the loads you will lift.

This information is needed in order for usto be able to manufacture a sheave for you. If Bushings or Bearings are needed, please contact your distributor or the Renfroe factory and provide specific information. If you want us to quote and/or provide bearings, you must give us the bearing manufacturer name, and part numbers.

Our team understands that choosing the right cable assembly manufacturer, and pulleys for your cable assemblies requires thoughtful consideration, from bearing life, to minimum pulley diameter. Let Sava"s engineering expertise guide you toward the best selection of wire rope pulley wheels.

When cable is used over pulleys, the cable life can be significantly prolonged by proper pulley groove design. Laboratory tests on wire rope pulleys prove that improper groove design reduces cable bending life up to 90%. These same tests show that doubling a pulley diameter can increase cable bending life up to thirteen times what is otherwise typical. Also, pulley diameters less than sixteen rope diameters fall into a range in which cable life is relatively low.

Sava has been manufacturing the pulleys the world depends upon for almost a half-century. Talk to Sava"s pulleys experts now and build it right the first time.

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