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Double Sprocket for Two Single Chains – Type A (Steel) — Professional Grade ANSI Sprocket
The Ever-power Double Sprocket for Two Single Chains – Type A (Steel) is engineered to meet the rigorous demands of modern industrial power transmission. Built from AISI 1045 Carbon Steel, these sprockets cover chain sizes No.35, No.40, No.50, No.60, No.80, No.100 with pitch range 3/8″ to 1-1/4″. Available configurations include Type A (flat plate, no hub) for dual single-strand chain drive. Every unit is CNC-machined to ANSI B29.1 tolerances and undergoes 100% dimensional inspection before shipping.
Technical Specifications
| Parameter | Spesifikasi |
|---|---|
| Chain Compatibility | No.35, No.40, No.50, No.60, No.80, No.100 |
| Pitch Range | 3/8″ to 1-1/4″ |
| Material | AISI 1045 Carbon Steel |
| Tooth Hardness | Teeth HRC 50–60 on all teeth (≤25T) |
| Surface Treatment | Black oxide; optional plating |
| Configuration | Type A (flat plate, no hub) for dual single-strand chain drive |
| Standard | ANSI/ASME B29.1, ISO 606 |
| Bore Tolerance | H7 (finished bore) / Pilot bore (stock) |
Product Highlights
✔ High-Capacity Design
Engineered for maximum power transmission with optimised tooth geometry that ensures smooth chain engagement and minimal energy loss across the full speed range.
🛡 Extended Service Life
Premium steel construction combined with precision heat treatment delivers exceptional wear resistance, reducing replacement frequency and total cost of ownership.
⚙ Versatile Mounting
Multiple hub configurations and bore options ensure compatibility with a wide range of shaft sizes, bearing arrangements, and installation constraints.
🔧 Maintenance-Friendly
Designed for straightforward inspection, lubrication, and replacement, minimising the skills and tools required for routine maintenance operations.
Chain & Accessory Compatibility
This sprocket is compatible with all ANSI-standard roller chains of the corresponding series numbers listed above. Compatible accessories include standard taper bushings, QD bushings (where applicable), split taper bushings, shaft collars, and pillow-block or flange-mount bearings. Shaft bore ranges are determined by the chain number and hub configuration — refer to our detailed catalogue or contact engineering for specific bore availability.
Selection Guide
Select by Chain Number
Identify the chain series number stamped on your chain side plates. Match it to the sprocket series number for guaranteed compatibility. Use the same series for driver and driven sprockets.
Select by Application Demands
Light-duty conveyors and packaging: No.35–50. General industrial and agricultural drives: No.50–80. Heavy aggregate, mining, and steel processing: No.80–140. Extreme-load applications: No.140–200.
Select by Load Capacity
Calculate your design horsepower, apply the appropriate service factor (1.0 for uniform load, 1.3 for moderate shock, 1.5+ for heavy shock), then consult the ANSI horsepower rating tables for the minimum chain pitch and strand count that meets or exceeds your requirement.
Material & Manufacturing
| Milik | Detail |
|---|---|
| Bahan Dasar | AISI 1045 Carbon Steel |
| Carbon Content | 0.43–0.50% (1045 grade) |
| Kekuatan Tarik | ≥ 585 MPa (85 ksi) |
| Heat Treatment | Induction hardened teeth to HRC 50–60 (sprockets ≤25T) |
| Lapisan Permukaan | Black oxide; optional plating |
| Manufaktur | CNC hobbing, precision boring, automated deburring |
Aplikasi Industri
Manufaktur
Production lines, automated systems
Mining & Aggregate
Crushers, screens, elevators
Pertanian
Harvesters, irrigation, grain handling
Logistik
Sortation, conveying, palletising
Customer Success Stories
★★★★★ Woolworths Distribution — Melbourne, Australia
“Dual-lane sortation conveyors in our distribution centre use Type A double sprockets. Synchronisation between lanes is precise.”
★★★★☆ DHL Supply Chain — Bonn, Germany
“Parcel sorting systems with parallel chain drives. Ever-power double sprockets eliminated the lane-speed drift we had with previous suppliers.”
★★★★★ Flipkart Logistics — Bangalore, India
“E-commerce fulfilment centre conveyors. Dual-chain drives ensure even product spacing across the belt.”
★★★★★ MercadoLibre — Buenos Aires, Argentina
“Our cross-dock facility runs 18 hours a day. Double sprockets for two single chains keep both lanes in perfect sync.”
Pertanyaan yang Sering Diajukan
What is the spacing between the two chain rows?
The gap (C dimension) varies by chain number and is designed to provide adequate clearance for both chains plus the central plate section.
Can I run different chains on each row?
No, both rows are identical pitch and tooth profile, designed for matched single-strand chains of the same series.
Is this the same as a duplex sprocket?
No. A duplex sprocket drives one duplex (double-strand) chain. A double sprocket for two single chains drives two separate single-strand chains independently.
Why choose Type A over Type C for double single-chain sprockets?
Type A is a flat plate ideal for welding to a custom hub. Type C has hubs on both sides for direct shaft mounting with standard keyways.
What tooth counts are available?
Typically 10T to 60T depending on the chain series, with some series extending to 40T.
Recommended Companion Products
🔗 Matching Roller Chains
ANSI standard and heavy-duty roller chains perfectly paired with your sprocket selection. Browse chains
🔨 Shaft Bushings
Taper lock, QD, and split taper bushings for secure shaft mounting.
⚙ Bearings & Housings
Pillow-block, flange-mount, and take-up bearings for complete drive systems.
Installation Procedure
- Pre-Check: Verify shaft diameter, keyway dimensions, and sprocket bore match. Clean all mating surfaces.
- Instalasi Kunci: Insert the drive key into the shaft keyway. Ensure flush fit with no vertical play.
- Sprocket Placement: Slide sprocket onto shaft with hub facing the nearest bearing for minimal overhang.
- Secure Fasteners: Tighten setscrew(s) over key to recommended torque using a calibrated torque wrench.
- Align Drive: Use a straight edge across both sprocket faces — maximum offset 0.5 mm.
- Chain Installation: Route chain around both sprockets, join with a connecting link, and adjust tension to 2% sag.
Maintenance & Care
Inspect chain tension and sprocket alignment bi-weekly. Apply NLGI #2 lithium-complex grease to the chain at 750-hour intervals. Check for unusual vibration or noise indicating tooth wear. Replace sprockets when the tooth tip becomes visibly pointed (hook-shaped) or when pitch diameter has decreased by more than 1%. Keep spare sprockets on hand to minimise unplanned downtime.
Certifications & Quality Assurance
Manufactured in strict accordance with ANSI B29.1 and ISO 606 international standards. Our production facility holds ISO 9001:2015 quality management certification and maintains third-party audit compliance. We provide mill test reports (MTR), hardness certificates, and dimensional inspection reports upon request. For projects requiring special certifications (ATEX, API, DNV), our engineering team works with accredited testing laboratories to provide the necessary documentation.
Why Partner with Ever-power Australia Sprocket Co., Ltd.?
We are a global sprocket manufacturer with more than 20 years of expertise in precision power transmission components. Our modern factory features state-of-the-art CNC gear cutting equipment, robotic induction hardening systems, and computerised quality control. We serve OEM partners in mining, agriculture, food processing, and logistics across 65+ countries. Our commitment to R&D has resulted in proprietary tooth-profile optimisations that extend chain-sprocket system life by up to 30% compared to generic alternatives. Every product undergoes 100% dimensional inspection before dispatch, and our logistics network ensures door-to-door delivery to major ports worldwide.
Siap untuk Mengupgrade Sistem Penggerak Anda?
Contact our specialist team today for competitive pricing, technical support, or to request samples. We are committed to helping you find the optimal sprocket solution for your application.
