What are the types of sprockets?

There are four main types of sprockets as established by the American National Standards Institute (ANSI): Type A sprockets, which are only the plate with no added thickness or hubs. Type B sprockets, which have a hub on one side. Type C sprockets, which have hubs of equal thickness on both sides of the plate.

Are Martin sprockets hardened?

Unless you pay a premium, Martin sells sprockets without hardened teeth. Depending on the size, this premium can be somewhere around 50%. On the other hand, BlackStar solid-steel sprockets come standard with induction hardened teeth on the sizes that need them most.

What is roller chain sprocket?

One of the questions we’ve run into from time to time is, “What are chain sprockets (or roller chain sprockets)?” Roller chain sprockets are, simply put, any wheel with teeth that mesh with a chain, although sometimes they are also run in conjunction with a track or other perforated material.

What does BS stand for on a sprocket?

Type BB. Type BB sprockets is a sprocket with a sealed ball bearing, which is commonly referred to as an idler sprocket.

What type of steel is used for sprockets?

Mainly carbon steel is used for sprocket. Small sprocket up to 100 mm in diameter are machined from low carbon steel and more than 100mm are made from medium carbon steel. Sometimes stainless steel is also used.

What steel are sprockets made from?

The sprockets are designed to match the roller chains as drive system for stable and smooth conveying and transmitting. The roller chain sprockets can be made of carbon steel, stainless steel and other materials in different diameters, bore size, teeth quantity and styles.

What should be the minimum number of teeth on sprocket?

Ideally sprockets should have a minimum of 19 teeth.

What is pitch on a sprocket?

Pitch represents the amount of pitch diameter in inches per tooth. Sprockets with a larger pitch will have bigger teeth. Common pitches are 0.25”, known as #25, and 0.375” (#35).

How does a sprocket work?

A Sprocket is commonly a wheel with teeth that lock onto a chain. When the sprocket rotates, the teeth hold the chain and move the other parts attached to the chain. This operation provides simple and controlled rotational movement of large equipment and machinery.

Are there any chain sprockets available made to order?

Send your inquiries for #120, #140, #160, #180 and #200 chain sprockets. Non-stock Sprockets are available as Made-to-Order parts. They can be quoted in various bore sizes or styles with non-standard or timed keyways and hardened teeth (Rockwell “C” 35-45).

What sizes do cast iron sprockets come in?

Cast Iron Sprockets are stocked in the 55 and 62 Series, steel detachable chain only, and include popular tooth counts and stock bores. Welded construction (Style E) sprockets can be produced as solid construction. We can manufacture any of the sizes shown in our catalog and on this website as multi-strand sprockets.

What sizes do idler sprockets come in?

Idler Sprockets with precision double shielded bearings are stocked in #35, #40 or 41, #50, #60, #80 and #100 roller chain sizes with popular tooth counts. They are also available in a stamped version for #40/41, #50, #60 or #550 chain. All stock idler sprockets have hardened teeth.