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Help CenterAnnular Gear 50mm Bore Diameter 40Cr Alloy Steel Sprocket Ring for Power Transmission
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As a leading manufacturer specialized in power transmission components, Henan San Kuang Machinery Technology Co., Ltd. proudly presents our Annular Gear with 50mm Bore Diameter – a precision-engineered sprocket ring crafted from high-grade 40Cr Alloy Steel. Designed for demanding industrial applications, this gear ensures reliable torque transfer, exceptional wear resistance, and long service life. Our factory, spanning over 10,000 square meters and equipped with advanced heat treatment and machining facilities, guarantees consistent quality and tight tolerances.
The annular gear integrates the functions of a sprocket and a ring gear, making it ideal for chain drives, conveyor systems, and heavy machinery. With a bore diameter of 50mm, it fits standard shafts and can be customized for keyways, set screws, or other mounting requirements. The 40Cr alloy steel substrate undergoes quenching and tempering to achieve optimal hardness and toughness, reducing the risk of tooth breakage under heavy loads.
Below are the key technical specifications and features of our annular gear:
| Parameter | Value |
|---|---|
| Bore Diameter | 50mm (customizable from 20mm to 200mm) |
| Outer Diameter | 200mm – 600mm (depending on tooth count) |
| Tooth Profile | Standard ANSI / DIN / ISO sprocket tooth forms |
| Material | 40Cr Alloy Steel (equivalent to AISI 5140) |
| Hardness | HRC 40 – 50 (after heat treatment) |
| Surface Finish | Black oxide, phosphating, or as per customer request |
| Pitch | Available in 1/2", 5/8", 3/4", 1", 1-1/4" etc. |
| Number of Teeth | 12 – 120 teeth (customizable) |
| Tolerance Grade | ISO 8 – ISO 9 (precision class) |
Key Features & Benefits:
- High Strength & Durability: 40Cr alloy steel offers excellent tensile strength and fatigue resistance, ideal for heavy-duty power transmission.
- Precision Machining: CNC turning, hobbing, and grinding ensure accurate tooth geometry and smooth running, reducing noise and vibration.
- Customizable Design: Bore size, keyway, set screw holes, hub length, and tooth profile can be tailored to your specific equipment.
- Heat Treatment Options: Quenching & tempering, carburizing, or induction hardening available to meet different hardness requirements.
- Versatile Applications: Suitable for agricultural machinery, mining equipment, conveyor systems, automotive transmissions, and industrial gearboxes.
- Cost-Effective: Direct factory pricing with no middlemen, plus bulk order discounts for large projects.
Our annular gears are manufactured under strict quality control systems that comply with ISO9001, ISO14001, and other international standards. Each gear undergoes dimensional inspection, hardness testing, and surface defect checks before shipment. We have a team of 51–100 skilled workers and engineers, supporting annual export values of US$2.5–5 million to markets across North America, Europe, Asia, and Africa.
Frequently Asked Questions:
-
Q: What is the minimum order quantity (MOQ) for this annular gear?
A: Our MOQ is 10 pieces for standard sizes. Customized orders may require a higher MOQ, depending on complexity. -
Q: Can I get a sample before placing a bulk order?
A: Yes, we offer sample orders. Please contact our sales team for pricing and lead time. -
Q: How long is the delivery time?
A: Typically 15–25 working days for standard sizes, and 25–40 days for customized products. -
Q: What surface treatments do you provide?
A: Common options include black oxide, phosphating, zinc plating, and hard chrome. We can also apply Teflon or DLC coatings upon request. -
Q: Are your gears interchangeable with brands like Martin, Browning, or Rexnord?
A: Our gears are designed to meet ANSI/ISO standards, making them compatible with most major brands. We recommend checking dimensions. -
Q: Do you provide CAD drawings for your products?
A: Yes, we can provide 2D/3D drawings upon request for customization. -
Q: What is the warranty period?
A: We offer a 12-month warranty against manufacturing defects. Extended warranty is negotiable. -
Q: Can you engrave our logo or part number on the gear?
A: Absolutely. Laser engraving, stamping, or casting marking is available.
With over 10,000 square meters of production space and a dedicated R&D team, Henan San Kuang Machinery Technology Co., Ltd. has delivered reliable power transmission solutions to hundreds of clients worldwide. Our gears are shipped from major ports including Shanghai, Qingdao, and Tianjin. We invite you to experience our quality and service – contact us today for a quote or technical consultation.
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