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Shaft Seals

PRODUCT NEWS | 2025-09-25

Zero-Max Offers a New Gas Nitriding Option to Protect Overhung Load Adaptors

It’s another first for Zero-Max—a unique Gas Nitriding option to protect Overhung Load Adaptor (OHLA) shafts while enhancing overall system performance.

Because OHLAs are most often used in harsh outdoor environments including exposure to heat, rain, humidity, salt water, dirt and debris, protecting the OHLA shaft can be an important consideration.  The new Gas Nitriding (Gaseous Nitrocarburizing) option for OHLA shafts provides superior corrosion resistance, surface hardness to boost strength and durability, and adds lubricity to the shaft, which benefits shaft seal life by reducing friction and wear.

EVENT | 2025-09-10

Turbomachinery & Pump Symposia 2025

For over 50 years, the Turbomachinery & Pump Symposia (TPS) has remained one of the most important annual events for rotating equipment professionals. The 2025 event takes place September 16–18 at the George R. Brown Convention Center in Houston. Hosted by the Turbomachinery Laboratory at Texas A&M University, TPS brings together engineers, operators, and manufacturers from across the oil & gas, petrochemical, power, aerospace, chemical, and water industries.

INDUSTRY NEWS | 2025-06-11

Thordon Bearings Exceeds 500 Installations in Workboat Sector

Thordon Bearings has recently seen its RiverTough tailshaft bearing solution surpass 500 installations in the workboat sector. Primarily a retrofit solution but also increasingly specified for newbuilds, RiverTough is designed for coastal and inland waterways, where conditions are typically muddy and abrasive. 

INDUSTRY NEWS | 2025-05-09

Clark Seals Announces Major Expansion of U.S. Manufacturing Facility

Clark Seals has announced a major expansion of its seal manufacturing facility in Tulsa, OK. This investment will triple the company’s U.S. production capacity and introduce new automation and manufacturing technologies to enhance product quality, shorten lead times, and reduce costs to globally competitive levels.

INDUSTRY NEWS | 2025-04-15

SKF Completes Divestment of its Ring and Seal Operation in Hanover, PA

SKF has completed the previously announced divestment of its ring and seal operation in Hanover, Pennsylvania, USA, to Carco PRP Group for a total enterprise value of USD 215 million, corresponding to approximately SEK 2.1 billion. The divestment will result in a capital gain amounting to approximately SEK 0.8 billion in Q2 and will be reported as Items affecting comparability.

REVOLUTIONS | 2025-04-15

Trelleborg Shares Insights on Sealing Needs for Industrial Robots

In this article David Kaley, Trelleborg’s global segment manager for industrial automation, explains the different kinds of robots used in industrial automation, their components and the kinds of sealing elements needed to help ensure precise performance results.

FEATURE ARTICLES | 2025-02-12

Trelleborg Shares Insights on Sealing Needs for Electric Motors

As dry running systems, electric motors operate on reduced lubrication versus their gas-powered wet-running counterparts, requiring specific sealing solutions to manage friction and heat generation.

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INDUSTRY NEWS | 2024-10-30

Stafford Website Now Provides E-Commerce Direct from Manufacturer

A new website that includes thousands of shaft collars, couplings, and innovative mechanical components which are now available for sale online has been introduced by Stafford Manufacturing Corp. of Wilmington, MA.

FEATURE ARTICLES | 2023-04-06

Precision Coupling Basics—Stiff or Stiff Enough?

Precision flexible shaft couplings come in two basic forms, both of which are designed to operate without backlash or excessive inertia while compensating for inevitable misalignment offsets between motor/gearbox and load. Torsionally stiff couplings are made with metallic flexible elements and with the intent to eliminate as much twisting deflection as possible so that the rotation of both shafts is kept as well synchronized as can be. 

TECHNICAL ARTICLES | 2018-02-01

Understanding the Dynamic Influences of Gear Oils and Radial Shaft Seals

Sustainability is becoming one of the most important aspects within the power transmission business. Users demand low-maintenance drive systems with as little disruption as possible, and expect lifetimes of more than 10,000 hours. Approximately 40 percent of long-term gearbox leakages can be traced back to poor interaction between the radial shaft seal (RSS) and the lubricant. Thus, it becomes essential to analyze the tribological system as a whole, which includes the gear oil, seal grease (if required), elastomer material and design, and the shaft.
FEATURE ARTICLES | 2017-04-01

The Science of Radial Shaft Seals

SKF Product Investigation Center Troubleshoots Critical Rotating Equipment Applications with Analysis, Research and Testing Procedures.
FEATURE ARTICLES | 2016-02-01

Reducing Food Processing Plant Energy Costs

U.S. manufacturers, such as food processors, face an unprecedented competitive environment and must look for ways to be profitable without negatively affecting the quality of finished products.