Heavy-duty OD125 spline hub for industrial coupling systems, offering flexible machining capability and stable torque transmission performance.
The YNF18503 OD125 H62 Z4 M20 unbored spline hub is designed for industrial transmission systems requiring reliable torque transfer and flexible shaft customization. As a solid blank hub, it allows secondary machining according to specific shaft dimensions and installation requirements.
Manufactured from high-strength alloy steel, this spline hub is precision-machined to ensure stable rotational alignment and efficient power transmission. The solid hub structure provides excellent durability under continuous heavy-duty operating conditions commonly found in construction machinery, industrial equipment, pumps, compressors, and drivetrain systems.
As a key component in the industrial coupling transmission system, this hub helps reduce transmission slippage and improves operational stability in rotating assemblies.
YNF Machinery supplies this component as an OEM-equivalent replacement, widely used by machinery manufacturers, maintenance companies, and industrial distributors requiring stable quality and long-term supply reliability.
| Item | Specification |
|---|---|
| YNF Part Number | YNF18503 |
| Product Name | Unbored Spline Hub / Solid Blank Hub |
| Outer Diameter | OD125 |
| Height | H62 |
| Spline Specification | Z4 |
| Thread Specification | M20 |
| Hub Type | Solid Hub / Blank Hub |
| Material | High-strength alloy steel |
| Function | Torque transmission & shaft connection |
| Application | Industrial coupling transmission system |
| Processing | Precision machining |
| Heat Treatment | Hardened & tempered |
| Surface Treatment | Anti-wear / anti-corrosion coating |
| Brand | YNF Machinery |
| Origin | China |
| MOQ | 1 piece |
| Shipping Method | Sea / Air / Express |
| Payment Terms | T/T, Western Union, PayPal |
| Equipment Type | Application |
|---|---|
| Industrial Machinery | Shaft coupling transmission |
| Construction Equipment | Drivetrain connection system |
| Air Compressors | Rotational power transfer |
| Pumps & Motors | Coupling hub assembly |
| Mining Equipment | Heavy-duty transmission systems |
| Machinery Repair Workshops | Custom shaft machining applications |
Q1: What is an unbored hub?
It is a solid hub without finished bore machining, allowing custom processing.
Q2: What is the function of this spline hub?
It transfers torque and connects rotating shafts in transmission systems.
Q3: Can it be customized for different shafts?
Yes, the blank hub structure supports secondary machining.
Q4: Is it suitable for heavy-duty industrial use?
Yes, it is manufactured using high-strength alloy steel.
YNF Machinery supplies OD125 H62 Z4 M20 spline hub YNF18503 designed for stable industrial torque transmission and flexible custom machining applications.
This solid blank hub is suitable for customers requiring OEM-equivalent transmission components with customizable shaft processing capability.
Key advantages for B2B buyers:
YNF supports global distributors, machinery manufacturers, and industrial maintenance companies with reliable coupling and transmission spare parts solutions.
