FD209RM 1-1/8″ Square Bore Disc Harrow Flange Bearing Unit for Farming Applications FlexKing Kewanee Sunflower Replaces FD209R(RM) DHU1-1/8S-209 B2725 DHU118S209 B238799B 900918 FD209-1.1/8SQ

Description

Product Overview

The FD209RM relubricable flange bearing unit is a precision‑engineered component designed for 1‑1/8 inch square bore disc harrows. Manufactured by NOOTO, a trusted name in industrial bearings, this unit combines a robust steel housing with high‑quality sealing technology. The bearing features a square shaft design that matches the bore of FlexKing, Kewanee, Unverferth, and Sunflower disc harrows, ensuring a perfect fit without the need for modification. Its four‑bolt mounting system provides quick and secure installation, while the dual triple‑lip seals protect the internal rolling elements from dust, moisture, and contaminants commonly encountered in agricultural environments.

With a cylindrical outer diameter of 4 inches, an inner ring width of 1‑11/16 inches, and an outer flange width of 5 inches, the FD209RM offers a compact yet durable solution for heavy‑duty applications. The bearing is relubricable, meaning it can be serviced with fresh grease through the included grease fitting, extending service life and reducing total cost of ownership. The design emphasizes wear resistance, low friction, and consistent performance even under the high loads and shock loads typical of feed mills, feed‑lot equipment, and other industrial machinery.

Engineered to meet the demanding standards of the agricultural sector, the FD209RM has earned a strong reputation reflected in its 4.6‑star rating from 13 verified customer reviews. Its best‑seller rank of #7 in Mounted Flange Block Bearings highlights its popularity among professionals seeking reliable, long‑lasting bearing solutions. Whether you are replacing a worn unit or upgrading an existing system, the FD209RM provides the confidence of a product built for durability, ease of maintenance, and superior sealing performance.

Usage

This flange bearing unit is ideally suited for a wide range of farming and industrial applications. In agricultural settings, it is commonly installed on disc harrows used for soil preparation, seedbed formation, and residue management. The bearing’s square bore design aligns perfectly with the rotating shafts of FlexKing, Kewanee, Unverferth, and Sunflower disc harrows, delivering smooth rotation and reducing wear on the disc assembly.

Beyond traditional farming equipment, the FD209RM excels in feed‑mill machinery where reliable bearing performance is critical for continuous operation. Its ability to withstand high axial and radial loads makes it a preferred choice for feed‑mixers, grain conveyors, and other processing equipment that experience frequent start‑stop cycles and variable loading conditions. The relubricable feature allows maintenance crews to replenish grease without disassembly, minimizing downtime and keeping production lines running efficiently.

Industrial users also benefit from the bearing’s versatility in manufacturing equipment, such as rollers, conveyors, and processing units that require precise alignment and long‑term durability. The dual triple‑lip seals guard against abrasive particles and moisture, extending the service interval and protecting costly internal components. Whether deployed in a small family farm or a large commercial feed operation, the FD209RM provides consistent performance, reduced maintenance costs, and enhanced equipment lifespan.

Why Choose Us

Choosing the FD209RM means selecting a product backed by NOOTO’s decades of expertise in bearing technology. Our commitment to quality is evident in the rigorous testing each unit undergoes, including load testing, endurance cycles, and seal integrity verification. The bearing’s construction utilizes high‑grade steel that meets or exceeds industry standards for hardness and fatigue resistance, ensuring it can handle the toughest operating conditions.

We understand the importance of reliable after‑sales support. Our technical team is available to assist with installation guidance, lubrication recommendations, and troubleshooting. Should you encounter any issues, our responsive customer service ensures prompt resolution, reinforcing the confidence you place in our products.

In addition to product durability, we prioritize ease of service. The included grease fitting allows field technicians to re‑lubricate the bearing without removing it from the equipment, saving valuable labor hours. Our clear documentation and sizing charts help you verify compatibility before purchase, reducing the risk of ordering errors and ensuring a seamless fit with your existing machinery.

By selecting the FD209RM, you benefit from a combination of superior engineering, comprehensive support, and a proven track record in demanding agricultural and industrial environments. Our focus on continuous improvement means you receive a bearing that not only meets current performance expectations but also adapts to evolving operational needs.

Key Features

• Relubricable design with built‑in grease fitting for easy maintenance and extended service life
• Four‑bolt mounting provides quick, secure installation and reduces downtime during replacement
• Dual triple‑lip seals protect against dust, moisture, and contaminants, ensuring long‑lasting reliability
• Robust steel construction delivers high load capacity and wear resistance for demanding farm and industrial use
• Comprehensive technical support and after‑sales service guarantee confidence and assistance throughout the product lifecycle

FAQ

What size shaft does the FD209RM bearing fit?

The FD209RM is designed for a 1‑1/8 inch square bore shaft, matching the specifications of FlexKing, Kewanee, Unverferth, and Sunflower disc harrows.

Can the bearing be re‑lubricated after installation?

Yes, the unit includes a grease fitting that allows you to add fresh grease without removing the bearing, extending its service interval and reducing maintenance costs.

What types of seals are used on this bearing?

It features dual triple‑lip seals that provide superior protection against dust, water, and other contaminants, ensuring reliable operation in harsh agricultural environments.

Is the FD209RM compatible with older disc harrow models?

The bearing replaces several legacy part numbers, including FD209R(RM), DHU1‑1/8S‑209, B2725, DHU118S209, B238799B, 900918, and FD209‑1.1/8SQ, making it suitable for a wide range of older equipment.

What warranty does NOOTO offer on this bearing?

NOOTO provides a standard one‑year limited warranty covering manufacturing defects, backed by responsive technical support to assist with any installation or performance questions.