Description
Product Overview
The Hillman Group 2189 internal large retaining ring is engineered for precision and strength in demanding industrial applications. Measuring 1-1/2 inch in internal diameter, each ring is forged from high‑grade alloy steel that combines carbon, chromium, and vanadium elements to deliver exceptional tensile strength and resistance to wear. The black finish not only provides a sleek appearance but also adds an extra layer of corrosion protection, making these rings suitable for both indoor and outdoor environments.
Each pack contains six rings, allowing technicians to keep a ready supply on hand for repetitive tasks or to service multiple machines without delay. The rings are lightweight, weighing just 5.6 ounces per unit, which simplifies handling and reduces fatigue during extended installation periods. Designed to work seamlessly with standard pliers, the rings can be installed quickly, ensuring minimal downtime for equipment maintenance.
![[Product front view showing all components]](https://www.valvra.store/wp-content/uploads/2026/08/ed275170322f4d289f8b828297a37000.jpg)
Usage
These internal retaining rings excel in a variety of settings where secure component retention is critical. In manufacturing plants, they are commonly used to hold shafts, bearings, and gears in place, preventing axial movement that could lead to equipment failure. Their robust construction makes them ideal for cutting tools, where they maintain the alignment of blades and provide a stable platform for gripping and twisting operations.
Maintenance professionals appreciate the ease of installation; the rings can be pressed into place with a pair of pliers, eliminating the need for specialized tools. This feature is especially valuable in field service scenarios where time and equipment availability are limited. Additionally, the rings are compatible with a broad range of machine models, thanks to the availability of multiple sizes and finishes across the Hillman product line.
Why Choose Us
Choosing the Hillman 2189 internal retaining ring means selecting a product backed by decades of engineering expertise and a reputation for quality. The rings undergo rigorous testing for dimensional accuracy, material integrity, and load‑bearing capacity, ensuring that each unit meets or exceeds industry standards. Hillman’s commitment to customer satisfaction is reflected in responsive support teams that provide technical assistance, replacement parts, and guidance on proper installation techniques.
Our supply chain guarantees consistent availability, so you never have to worry about stockouts disrupting your production schedule. Moreover, the rings are manufactured in facilities that adhere to ISO 9001 quality management principles, reinforcing our dedication to delivering reliable, high‑performance components.
Key Features
- High‑strength alloy steel construction for long‑lasting durability
- 1‑1/2 inch internal diameter fits a wide range of shafts and bearings
- Black corrosion‑resistant finish suitable for harsh environments
- Easy installation with standard pliers reduces labor time
- Six‑pack packaging ensures you have enough rings for multiple projects
- Backed by Hillman’s extensive customer support and warranty services
FAQ
What material is the ring made from?
The ring is forged from alloy steel that includes carbon, chromium, and vanadium, providing a balance of strength, hardness, and corrosion resistance.
Can these rings be used in outdoor applications?
Yes, the black finish offers additional protection against moisture and rust, making the rings suitable for both indoor and outdoor use.
How do I install the ring without damaging it?
Use a pair of standard pliers to gently press the ring into the groove. The design allows for a secure fit without the need for excessive force.
What is the recommended torque for the retaining ring?
Hillman recommends a torque range of 5‑8 Nm for optimal retention, but you should always follow the specifications of the equipment you are servicing.
Do you offer larger or smaller sizes?
Hillman provides a full series of internal retaining rings in various diameters and finishes. Contact our sales team for a complete size chart and availability.







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