UJMA50 Universal Joint Coupling – SKF Type Equivalent, High-Strength Alloy Steel, 50mm OD, 25mm ID, 132mm Length

UJMA50 Universal Joint Coupling – SKF Type Equivalent | High-Strength Alloy Steel | 50mm OD x 25mm ID x 132mm Length

The UJMA50 Universal Joint Coupling (SKF Type Equivalent) is a precision-engineered single joint coupling designed to deliver reliable torque transmission across misaligned shafts. Manufactured from premium-grade alloy steel, it offers superior durability, long service life, and smooth operation under demanding conditions.

Built to match the SKF PHE UJMA50 specification, this coupling provides a drop-in replacement solution that’s equal or better in performance, yet more cost-effective. It is compatible with all standard UJMA-series setups and ensures seamless fitment without modification.

Operating efficiently up to 1,800 RPM and working angles up to 25° (powered) or 35° (manual), this universal joint is ideal for industrial machinery, agricultural drives, automation systems, and off-road mechanical setups.

Key Specifications

Features & Benefits

• OEM-Compatible: 100% interchangeable with SKF Type UJMA50 couplings.

• High Strength Alloy Steel: Ensures long life and resistance to wear, shock, and torque stress.

• Smooth, Reliable Operation: Maintains consistent torque delivery even at high speeds.

• Cost-Efficient Replacement: Offers equal or superior quality at a lower price.

• Precision Fit: Machined to exact tolerances for vibration-free performance.

• Multi-Application Use: Suitable for powered, manual, and mixed drive systems.

Applications

• Industrial machinery and mechanical drives

• Agricultural and off-road vehicles

• Power transmission and automation systems

• Machine tools and shaft alignment assemblies

• Maintenance and replacement of OEM universal joints

Why Choose This UJMA50 Universal Joint?

This SKF Type alternative is engineered to exceed standard OEM performance, offering the same precision, torque handling, and angular flexibility as SKF — at a fraction of the cost.
Its robust alloy steel build, combined with strict quality control, ensures it performs consistently in high-stress environments. Whether for manual or powered operation, the UJMA50 coupling guarantees smooth, noise-free motion and long-term dependability.

Frequently Asked Questions (FAQs)

1. Is this UJMA50 Universal Joint compatible with SKF Type couplings?

Yes, this product is dimensionally and functionally equivalent to the SKF PHE UJMA50. It can be used as a direct replacement without requiring any modification.

2. What materials are used in this universal joint?

This coupling is made from high-grade alloy steel, offering excellent toughness, machinability, and resistance to fatigue — making it ideal for both industrial and agricultural use.

3. What is the difference between this version and the SKF original?

The key difference lies in manufacturing cost efficiency, not performance.
This version is built to equal or exceed SKF’s quality, using similar material standards and precision machining, while being more affordable for maintenance and replacement.

4. What are the operating limits of this universal joint?

The joint supports rotational speeds up to 1,800 RPM and working angles up to 25° for powered drives or 35° for manual drives, offering excellent flexibility for most medium-duty applications.

5. Where can this universal joint be used?

It’s widely used in:

• Industrial machinery

• Off-road and agricultural vehicles

• Shaft drive systems

• Mechanical automation and fabrication setups
  Anywhere torque transfer between misaligned shafts is required.