wire rope blocks and sheaves factory

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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.

Precision CNC machining, turning and milling services. Capabilities include bending, waterjet cutting, routing, forming, drilling, casting, urethane molding, additive manufacturing (3D printing) and welding. Works with rubber, polyurethane, nylon, acetal, polycarbonate, acrylic, fiberglass reinforced plastics (FRP), laminates, PVC and other plastic materials. Manufacturer of custom and standard truck parts, bumpers, gaskets, seals, bushings, trays, anti-vibration or manifold grommets, caps and vibration mounts. Bearings, sheaves, pulleys, channels, nozzles, profiles, sprockets, outrigger pads, strip doors, elbows, rollers, matting, barriers, ceramic and truck liners are provided. Prototypes, short and high runs production volumes are offered. Materials are available in the form of sheets, tubes and rods. Serves agricultural, aggregate, biomass, construction, marine, port, material handling, mining, oil, gas, retail, transportation, automotive, food and beverage industries.

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!

Choose from a variety of in stock and existing variations. Perfect for low and high speed applications, and for processing insulated wire, synthetic rope, tubing, wire, cable and other linear products. Sheave materials include Aluminum, Alum-Ceramic, SX Polymer, Cast Nylon, and other plastics. U-Groove, V-Groove, Flat-Groove, and Interlocking styles available in a range of both imperial and metric sizes.

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.

Drawings are appreciated although not required when you order sheaves, whether custom or stock. Please provide as many measurements as you can using our quote/order form as a guide. We will contact you to be clear on your needs before preparing our quote. For a copy of our latest catalog, please fill out our contact form and we"ll send one along. You can also send us any questions or comments through the same contact form. Thanks for your interest in our products. We look forward to serving you.

Did you know there are 9 different dimensions that factor into the specifications for a sheave? The central portion contains 3 important measurements: the shaft, the bore and the hub diameter. Then there"s the groove, pitch and outside diameters as well as the groove depth. Measuring along another axis we need to determine the correct rim and hub widths. And finally, the size of the wire rope is important to consider. Once you have all these measurements at hand, we can determine if a standard size will fit your needs. Or you can just give us a call and we"ll help you out! If the sheaves we carry in our regular stock are not the right size for your purposes, please contact us for pricing on custom work. Or, you may fill out an order form with your specs and we"ll gladly put together a quote for you.

Choose from our stock sheave sizes or we can manufacture your wire rope sheaves to your design and specifications. SELECTING FROM OUR STOCK SIZES OFFERS YOU QUICKER DELIVERY AND ECONOMY, or we can stock for your ongoing requirements. Please complete this form and we will gladly quote.

Our primary business is sheaves. When you contact us, you"re talking to the manufacturer, not the distributor or the order taker. We can discuss your specifications and answer your questions right away - with one phone call, not a series of calls back & forth through a middle man. We have a location in Canada as well, so we can serve customers throughout North America without any headaches or delays through customs.

Manufacturing sheaves for wire rope is our primary business. We have the capability to manufacture your sheaves to your design and specifications or you can choose your wire rope sheave from our large inventory.

Our wire rope sheaves are made from quality materials and machined to precise dimensions and tolerances in order to meet our high standards. In addition, we offer many other options to satisfy your sheave requirements, including choice of material, heat treating of the groove, case hardening, grease fittings, keyways and set screws, plating and many more. We also carry bearings and bronze bushings.

Bear Equipment originally specialized in excavator and undercarriage crane parts. As our customers" demands for the supply of replacement wire rope pulley parts grew, we began specializing in sheaves. Today, wire rope sheaves is our primary business. For a manufacturer of wire rope and cable sheaves and pulleys, speak with the manufacturing experts at Bear Equipment today!

Block Division sheaves are machined from cold rolled bar stock and then bright zinc electroplated for corrosion resistance. These industrial sheaves are ready to work on such applications as aircraft hangar doors, agricultural machinery or other manufacturing plant applications. Model # Max Cable Size A B C [Read more...]

Work Load / Stress Formula / Load Calculation Block Division, Inc., has established through an accredited testing laboratory the capacity at which our products may be safely used. This may be defined as the safe working load limit, a chain or cable rope pulley block load calculation, or a force calculator.  The [Read more...]

Shackle (s) Swivel Hook (sh) Fixed Hook (h) Model No. WLL (lbs) Rope Weight (lbs) S SH H NF ØR Shackle Swivel Fixed None SL103B-3 1200 3/8 2.3 2.3 2.3 2.0 SL103B-4 1800 1/2 4 4 4 3.4 SL103B-5 2400  5/8 8 [Read more...]

Shackle (s) Swivel Hook (sh) Fixed Hook (h) Model No. WLL (lbs) Rope Weight (lbs) S SH H NF ØR Shackle Swivel Fixed None SL102B-3 800 3/8 1.9 1.9 1.9 1.6 SL102B-4  1400  1/2 3.5 3.5 3.5 2.8 SL102B-5  1800  5/8 6.5 [Read more...]

Part # Size (in) WLL (tons) Wire Size Weight (lbs) BLK3SH 3" 2 5/16 - 3/8" 5 BLK4.1/2SH 4-1/2" 4 3/8 - 1/2"  12 BLK6SH 6" 8  5/8 - 3/4"  28 BLK8SH 8" 8 5/8 - 3/4" 34 BLK10SH 10” 8 5/8 - 3/4" 42 BLK10SH15 10” 15 7/8" 74 BLK16SH 16” 15 [Read more...]

Blocks shown in this section may be used on a wide variety of land based cranes such as mobile and crawler cranes. The Fast Reeve Blocks are an excellent choice for your lifting application where frequent block change is required and includes the following standard features: Design Factor of Safety of 4:1 [Read more...]

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Wire Rope Sheaves are available in a variety of sizes ranging from 3" to 108", in over 250 standard models. If you have any questions in selecting a wire rope sheave, please give us a call. You can always look at the Lift-It Manufacturing, Company Inc. Resource Guide, too. It is available for immediate download on our home page.

Hilifting is a professional snatch blocks manufacturer, our H419 champion snatch block is a heavy duty snatch block, S.W.L are available from 2t to 15t and size from 3 inch to 18 inch, suitable for construction, shipbuilding, mine, and engineering machinery, etc