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Apexcoupling Precision UNKA CSKA Universal Joints Manufacturer – Custom Solutions
Model Number
UNKA Series (Single Joint – Miniature Universal Joint):
UNKA10: Outer Dia 20mm, Length 42mm, Bore 10mm
UNKA12: Outer Dia 23mm, Length 52mm, Bore 12mm
UNKA14: Outer Dia 25mm, Length 59mm, Bore 14mm
UNKA16: Outer Dia 32mm, Length 74mm, Bore 16mm
UNKA20: Outer Dia 36mm, Length 87mm, Bore 20mm
UNKW Series (Double Joint – Miniature Universal Joint):
UNKW10: Outer Dia 20mm, Length 67.5mm, Bore 10mm
UNKW12: Outer Dia 23mm, Length 83mm, Bore 12mm
UNKW14: Outer Dia 25mm, Length 94.5mm, Bore 14mm
UNKW16: Outer Dia 32mm, Length 117.5mm, Bore 16mm
UNKW20: Outer Dia 36mm, Length 139mm, Bore 20mm
- Phone : +86 13431039760
- Wechat : +86 13431039760
- Whatsapp : +86 13431039760
- Email : ella@apexcoupling.com
Product Description
In the competitive landscape of industrial automation and mechanical power transmission, finding a reliable universal joints manufacturer is essential for ensuring operational longevity. Apexcoupling stands at the forefront of the industry as a specialized universal joints manufacturer, providing high-precision components like the UNKA and CSKA series that meet Factory Automation (FA) standards worldwide.
Expert Manufacturing for Industrial Excellence
As an experienced universal joints manufacturer, we understand that every millimeter counts. Our CSKA and UNKA series are engineered using 42CrMo alloy steel, known for its superior toughness and fatigue resistance. For environments where corrosion is a concern, as a versatile universal joints manufacturer, we also offer these components in 304 stainless steel. Every joint is heat-treated to ensure it can withstand repeated high-torque impacts and continuous industrial cycles without failure.
Precision Engineering: The H7 Advantage
What sets a premium universal joints manufacturer apart is the commitment to precision. At Apexcoupling, our internal bores are machined to strict H7 tolerances. This ensures high concentricity and a tight, secure fit that minimizes noise and vibration. Our built-in needle roller bearings and fixed pins are designed for high transmission efficiency, making our products perfect for both clockwise and counter-clockwise high-speed rotations.
Flexible Customization and FA Standards
We are more than just a universal joints manufacturer of standard parts; we are a partner in your engineering success. While we maintain a massive stock of standard FA series components for immediate shipping, our facility is fully equipped for non-standard customization. Whether you need specific dimensions for length, outer diameter, or torque ratings, Apexcoupling is the universal joints manufacturer capable of delivering customized solutions that integrate perfectly into your machinery.
Why Choose Apexcoupling?
Choosing the right universal joints manufacturer means choosing quality and reliability. Our UNKA and CSKA joints allow for large angular compensation, functioning optimally within a 30-degree working angle and reaching up to a 45-degree limit. With low transmission inertia and high torsional rigidity, our joints are the preferred choice for precision equipment and general motor applications. As your dedicated universal joints manufacturer, we provide factory-direct pricing and technical support to help you scale your production efficiently.
Product Specifications Table
| Feature | Technical Details |
| Brand | Apexcoupling |
| Model Series | UNKA / CSKA (Single) / CSKW (Double) |
| Product Type | Precision Mini Universal Joint / FA Automation Standard |
| Material | 42CrMo Alloy Steel / 304 Stainless Steel (Optional) |
| Surface Treatment | Black Oxide (Standard), Nickel Plated, Zinc Plated, or Polished |
| Bore Precision | H7 Tolerance (High concentricity & precision) |
| Angular Capability | Working angle $\le 30^\circ$ (Max limit $45^\circ$ per joint) |
| Bearing Type | Built-in Needle Roller Bearings & Fixed Pins |
| Features | High transmission efficiency, low inertia, zero-backlash |
| Customization | Full non-standard customization for Torque, OD, and Length |
Single Section UNKA
| Model | Outer Diameter (mm) | Length (mm) | Bore Diameter (mm) |
|---|---|---|---|
| UNKA10 | 20 | 42 | 10 to 10 |
| UNKA12 | 23 | 52 | 12 to 12 |
| UNKA14 | 25 | 59 | 14 to 14 |
| UNKA16 | 32 | 74 | 16 to 16 |
| UNKA20 | 36 | 87 | 20 to 20 |
Double Section UNKW
| Model | Outer Diameter (mm) | Length (mm) | Bore Diameter (mm) |
|---|---|---|---|
| UNKW10 | 20 | 67.5 | 10 to 10 |
| UNKW12 | 23 | 83 | 12 to 12 |
| UNKW14 | 25 | 94.5 | 14 to 14 |
| UNKW16 | 32 | 117.5 | 16 to 16 |
| UNKW20 | 36 | 139 | 20 to 20 |
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