The 91805-2RS eccentric bearing is a high-performance, maintenance-free solution specifically engineered for the rigorous demands of agriculture harvester machinery. Designed to facilitate smooth rotation in wheat field harvesters, these bearings are critical for the efficiency of harvesting, threshing, and cleaning processes, ensuring minimal downtime during peak seasons.

Constructed from premium bearing steel, the 91805-2RS is built to withstand the harshest field environments. Its specialized design effectively resists penetration from dirt, dust, and moisture, providing exceptional durability and wear resistance that directly translates to increased crop yields and improved operational productivity for agricultural enterprises.

Detailed Parameters

Model Number	91805-2RS	Material	Premium Bearing Steel
Inner Diameter (ID)	25 mm	Outer Diameter (OD)	90 mm
Width 1	33 mm	Width 2	18 mm
Bearing Type	Eccentric Bearing	Seal Type	2RS (Double Sealed)
Application	Agriculture Harvesters	Feature	Maintenance-Free

Key Advantages

High Load Capacity

Made from high-grade bearing steel to maximize load capacity, reduce stress cracks, and significantly extend the service life of the component.

Enhanced Durability

Utilizes an ingenious production process that ensures superior corrosion resistance and guaranteed quality under extreme conditions.

Precision Craftsmanship

Features a smooth surface finish and fine texture, reducing friction and ensuring stable operation of harvesting machinery.

Environmental Sealing

The 2RS sealing design protects internal components from the intrusion of dirt, dust, and moisture common in wheat fields.

Operational Efficiency

Ensures smooth and efficient rotation, which optimizes the threshing and cleaning process to increase overall agricultural productivity.

Maintenance Free

Designed for low-maintenance cycles, allowing operators to focus on harvesting without frequent bearing adjustments.

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Management Platforms

Clean Environment

Maintain a clean working area to prevent debris and dust from causing premature wear or scratches in the raceway.

Precise Installation

Use professional installation tools to avoid deformation of the bearing cage caused by improper force.

Lubrication Control

Apply high-quality lubricating oil or grease regularly to prevent component damage during high-speed operation.

Moisture Protection

Store and operate in dry environments to prevent rust and peeling of bearing components.

Sealing Inspection

Perform regular checks on the sealing condition to ensure the 2RS seals are effectively blocking contaminants.

Tooling Standards

Ensure that all disassembly and assembly tools meet industry standards to maintain bearing precision.

Investment Return Comparison

Performance Metric	Standard Bearing	91805-2RS Eccentric
Service Life	Moderate	Extended (High-Grade Steel)
Maintenance Need	Frequent Greasing	Maintenance-Free Design
Contamination Resistance	Low/Open	High (Double Sealed)
Operational Downtime	Higher Risk	Minimized / Optimized
Overall ROI	Standard	High (Due to Productivity)

Frequently Asked Questions

Q: What makes the 91805-2RS suitable for agriculture machinery?

Its eccentric design and 2RS sealing make it ideal for harvesters, as it can handle specific offset loads while blocking dust and moisture common in fields.

Q: How does bearing steel impact the lifespan of this product?

The use of high-quality bearing steel increases the load capacity and reduces the likelihood of cracks, significantly extending the operating life compared to standard materials.

Q: Is the 91805-2RS truly maintenance-free?

Yes, the pre-sealed design reduces the need for frequent lubrication, although regular inspection of seals is recommended to ensure longevity.

Q: What are the risks of improper bearing installation?

Improper force during installation can deform the bearing cage or damage the raceways, leading to premature failure and reduced machinery efficiency.

Q: How should these bearings be stored before use?

They should be stored in a cool, dry environment to prevent corrosion and oxidation of the steel components.

Q: Can these bearings be used in other types of machinery?

While optimized for wheat harvesters, any machinery requiring an eccentric load capacity with high dust protection can benefit from this series.