Supplier & Distributor of
ANSI 25 – 240 • Single & Double Pitch • Carbon & Stainless Chains & Sprockets
We have been a leading chains and sprockets supplier in the Chicagoland area since 1994. We specialize in custom industrial sprockets made to the specs you provide for your specific application. Our stock consists of single-strand and multi-strand chains from several ANSI roller chain suppliers along with double pitch sprockets and stainless steel roller chains for wash-down duty. Need extra strength? Our heavy-duty conveyor chain lines deliver 30 % more working load. Use our on-page roller chain size chart to ID your part fast, or call us and we’ll cross-reference any drawing.
Only a fraction of our inventory is shown above. Contact us for cut-to-length chain, hardened teeth, or special bore modifications.
Featured Manufacturers
Maxco
MAXCO Chain delivers high-performance transmission and environmental solutions. Their key lines include Inspire Series, Ultra-Max ® and Hi-Max ® industrial roller chains, engineering-class chains for heavy duty drives, as well as ASME/ANSI sprockets (Series 35-60). They also offer full wastewater treatment product suites including chains, sprockets, bearings, flights, chain tensioners, torque overload devices and scum-skimmer assemblies.
U.S. Tsubaki
U.S. Tsubaki is best known for ANSI and British Standard roller chains, GT4™ synchronous belts, and Tsubaki Conveyor Chain. Their products include Power-Lock®keyless locking devices and cable & hose carriers. Industries worldwide use U.S. Tsubaki’s chains and drive components for packaging, food processing, and automotive assembly lines. LAMBDA® self-lube and Neptune® corrosion-resistant series reduce downtime.
Daido (D.I.D)
D.I.D. offers precision roller chains, motorcycle chains, and drive chains, including the industry-leading D.I.D. “X-Ring®” sealed chain. Their products are designed for wear resistance and fatigue strength, serving heavy equipment, motorcycles, and agricultural machinery. DID’s industrial roller chains support power transmission in demanding manufacturing applications. ANSI-grade precision chain lines plus problem-solver series for shock loads.
Martin
Martin carries sprockets, sheaves, couplings, and bushings, with the industry’s largest stock of conveyor chain sprockets. Their Quick Disconnect (QD®) and Taper Bushed® hubs provide fast installation and removal. Martin also supplies gears, timing pulleys, and mounted bearings, offering rapid customization across its product line. North America’s largest stock of conveyor chain sprockets and quick-alteration hubs.
Sample Stock List
| Part Number | Description (Size, Pitch, Type) | Brand |
|---|---|---|
| Maxco #40-1 | ANSI #40 single-strand roller chain, 1/2″ pitch, standard series (carbon steel rollers). Common drive chain. | Maxco |
| Maxco #50-1 | ANSI #50 roller chain, 5/8″ pitch, single strand, shot-peened components for fatigue resistance. | Maxco |
| Maxco #60-1 | ANSI #60 roller chain, 3/4″ pitch, single strand, riveted pins. | Maxco |
| Maxco #80-1 | ANSI #80 roller chain, 1″ pitch, single strand, carbon steel. | Maxco |
| Maxco 50-2 (Duplex) | ANSI #50 double-strand roller chain, 5/8″ pitch, duplex (for higher loads). | Maxco |
| Maxco 60H-1 | ANSI #60 heavy series chain, 3/4″ pitch, thicker link plates (high shock load). | Maxco |
| Maxco 2040 (Metric) | 1/2″ pitch ISO metric roller chain (equiv. to ANSI 40), straight sidebar. | Maxco |
| Maxco 100-1 | ANSI #100 roller chain, 1-1/4″ pitch, single strand (for conveyors). | Maxco |
| Maxco 40-1SS | ANSI #40 roller chain, stainless steel, 1/2″ pitch (corrosion-resistant series). | Maxco |
| Maxco 557 (Conveyor) | Engineered class pintle chain 557, 1.631″ pitch, for agricultural conveyor use. | Maxco |
| Tsubaki RS50 | ANSI #50 roller chain, 5/8″ pitch, single strand (RS series). Premium solid bushing chain. | U.S. Tsubaki |
| Tsubaki RS40 | ANSI #40 roller chain, 1/2″ pitch, single strand, shot-peened rollers. | U.S. Tsubaki |
| Tsubaki RS60 | ANSI #60 roller chain, 3/4″ pitch, single strand, thru-hardened components. | U.S. Tsubaki |
| Tsubaki RS80 | ANSI #80 roller chain, 1″ pitch, high tensile standard chain. | U.S. Tsubaki |
| Tsubaki RS50-2 | ANSI #50 double strand chain, 5/8″ pitch, riveted (duplex chain). | U.S. Tsubaki |
| Tsubaki Neptune 40 | ANSI #40 chain with special NEP coating (corrosion-resistant, no rust). | U.S. Tsubaki |
| Tsubaki Lambda 60 | ANSI #60 self-lubricating chain, oil-impregnated bushings (Lube-Free series). | U.S. Tsubaki |
| Tsubaki 50B20 (sprocket) | 20-tooth sprocket for #50 chain, B-hub, 5/8″ pitch, stock 0.75″ bore (steel). | U.S. Tsubaki |
| Tsubaki 40B24 (sprocket) | 24-tooth sprocket for #40 chain, B-hub, 1/2″ pitch, stock bore. | U.S. Tsubaki |
| Tsubaki 50-2H (sprocket) | 17-tooth sprocket for #50 double-strand chain (H= double pitch), steel, QT bore. | U.S. Tsubaki |
| DID 50 (ANSI 50) | ANSI #50 roller chain, 5/8″ pitch, standard series. High-quality DID brand chain for industrial drives. | D.I.D (Daido) |
| DID 40 | ANSI #40 roller chain, 1/2″ pitch, standard roller chain (carbon steel). | D.I.D |
| DID 60 | ANSI #60 roller chain, 3/4″ pitch, standard series. | D.I.D |
| DID 50-2 | ANSI #50 double-strand roller chain, 5/8″ pitch, duplex. | D.I.D |
| DID 530VX | “530” motorcycle chain (5/8″ pitch × 3/8″ roller width), X-ring sealed (high-performance DID). | D.I.D |
| DID 420 | ANSI #41/#420 chain, 1/2″ pitch × 1/4″ width (light-duty chain for bikes/karts). | D.I.D |
| DID 80 | ANSI #80 chain, 1″ pitch, heavy-duty roller chain. | D.I.D |
| DID HC50 | ANSI #50 chain in NP nickel-plated (semi-stainless, corrosion resistant). | D.I.D |
| DID 50B18 (sprocket) | 18-tooth sprocket for #50 chain, A-plate (no hub) style, flame-hardened teeth. | D.I.D |
| DID 12B-1 (British) | 3/4″ pitch British Standard roller chain (BS 12B), equivalent to ANSI 60. | D.I.D |
| Martin 50B20 | No.50 sprocket, 20 teeth, B-hub, 5/8″ pitch (ANSI #50 chain). Stock 3/4″ bore steel sprocket. | Martin |
| Martin 40A15 | No.40 sprocket, 15 teeth, A-plate (no hub) style, 1/2″ pitch. Typically bolt-on or weld-on plate sprocket. | Martin |
| Martin 60B15 | No.60 sprocket, 15 teeth, B-hub, 3/4″ pitch, supplied with stock bore. | Martin |
| Martin 80B12 | No.80 sprocket, 12 teeth, B-hub, 1″ pitch (for ANSI #80 chain), rough stock bore. | Martin |
| Martin 50BS20H x 1″ | No.50 sprocket, 20 teeth, finished bore 1.00″ with keyway and setscrews (50BS20H-1). | Martin |
| Martin 35B20 | No.35 sprocket, 20 teeth, 3/8″ pitch (ANSI #35 chain), B-hub small sprocket. | Martin |
| Martin 50BTL25 (QD) | No.50 sprocket, 25 teeth, taper-lock (QT/QD bushing) style for interchangeable bushing mount. | Martin |
| Martin 50-2B24 | Duplex sprocket for #50 double-strand chain, 24 teeth, B-hub, 5/8″ pitch. | Martin |
| Martin SH 50B17 | Hardened-tooth sprocket, #50 17T, split style (Split Martin-Hub for easier installation). | Martin |
| Martin 5H Pulley 5V5.0 | 5-groove V-belt sheave for 5V belts, 5.0″ pitch diameter, uses Martin 5H bushing. (Example pulley product by Martin). | Martin |
Features
Case-hardened pins extend life 2× versus commodity chain
Split sprockets can be changed up to 50% faster because they don’t need to be pulled the entire length of the shaft
Food-grade stainless steel chains resist chemicals, corrosion, and even high-pressure wash-downs
Applications
Use Case
Heavy-duty conveyor chain handles abrasive dust and shock loads.
Precision-cut HT teeth keep timing exact.
Double pitch sprockets lengthen service intervals in long centers.
FDA-compliant chains and sprockets survive repeated cleanings.
Hardened-tooth sprockets stand up to grit and sap. In the envcironment.
Call us with part numbers, dimensions, photos, or send us a sample to identify. Custom parts made to spec are also available for your specific application. We are committed to helping you move forward.