Anhui Huihuang Chain Transmission Co., Ltd. is one of the leading manufacturers and suppliers of 16a-2-18t type a double row sprocket in China, featured by quality products and good service. If you're going to wholesale advanced 16a-2-18t type a double row sprocket made in China, welcome to get pricelist and free sample from our factory. We also accept customized orders.
16A-2-18T Type A Double row sprocket
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Parameter |
Specification |
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Model |
16A-2-18T Type A |
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Standard |
ANSI/A Series |
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Chain Type |
16A Double-row roller chain |
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Pitch (P) |
25.4 mm (1.000") |
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Tooth Count (Z) |
18 teeth |
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Pitch Diameter (PD) |
146.24 mm (5.757") |
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Outside Diameter (OD) |
154.10 mm (6.067") |
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Maximum Roller Diameter |
15.88 mm (0.625") |
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Sprocket Width (per row) |
15.75 mm (0.620") |
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Total Sprocket Width (W) |
33.5 mm (1.319") (including clearance between two rows) |
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Hub Type |
Type A (Plain bore, no hub) |
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Bore Type |
Pilot bore (custom finished bore, keyway, and set screws available) |
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Material |
C45 / 1045 carbon steel |
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Heat Treatment |
Teeth induction hardened, HRC 40–50 |
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Surface Treatment |
Black oxide finish |
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Application |
Conveyors, packaging machinery, general industrial transmission with double-row chains |
Brief Description

16A-2-18T Type A Double Row Sprocket
This 16A-2-18T Type A double row sprocket is produced to strict ISO standards, perfectly compatible with 16A series double row roller chains for industrial power transmission. Featuring a hubless Type A structure, it boasts a compact and lightweight design that saves installation space and fits neatly into limited equipment layouts.
Crafted from high-grade carbon steel, the sprocket teeth are processed with induction hardening, achieving exceptional hardness and superior wear resistance to withstand long-term continuous operation. Precision machining creates accurate tooth profiles, enabling smooth meshing with matched chains, reducing friction, vibration and running noise while effectively avoiding chain jumping or derailment. The surface treatment also provides reliable anti-corrosion performance against dust, moisture and harsh workshop environments.
With 18 teeth and double row structure, it delivers higher load capacity and better stability than single row models. Widely used in conveyor systems, packaging machinery, production lines and general industrial transmission equipment, it offers great interchangeability, easy assembly and low maintenance, making it a trustworthy transmission component for heavy-duty industrial use.
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