Demy Bearings manufactures heavy-duty Agricultural Bearings engineered for high-load farm machinery operating in harsh field conditions. Designed to resist dust, mud, moisture, and extreme mechanical stress, our product line includes Round Bore Agricultural Bearings, Square Bore Agricultural Bearings, and Hex Bore Series Agricultural Bearings, as well as specialized housed units for modern farming equipment.
Our agricultural bearings are engineered for core farm machinery, including tractors, harvesters/combines, seeders, rice transplanters, tillers, and crop processing equipment.
| Category | Bore Profile | Typical Applications | Key Feature |
|---|---|---|---|
| Round Bore Agricultural Bearings | Cylindrical | Balers, mowers, rotary rakes | Standard direct-replacement fit |
| Square Bore Agricultural Bearings | Square | Disc harrows, cultivators, tillers | Anti-rotation shaft engagement |
| Hex Bore Series Agricultural Bearings | Hexagonal | PTO drive shafts, augers, seeders | High torque transmission without keyways |
| Housed Bearing Units | Various | Grain handling systems, belt conveyors | Ready-to-mount flange or pillow block units |
Verified performance data and feedback from farm equipment operators and 50+ regional dealer partners:
Disc Harrow Operation John Deere 8R Series
Achieved 1,500 acres of continuous operation with zero bearing failures in heavy soil, compared to OEM standard replacement intervals of 300 acres.
Combine Harvester Operations Midwest Grain Farm
Logged over 500 harvest hours under high-vibration conditions with zero noise or housing wear, preventing an estimated 3 days of downtime during peak harvest.
High-Impact Tillage Texas Cotton Farm
Square bore disc harrow bearings performed across 800 acres of abrasive, compacted soil with no axial play or seal breakdown.
Demy Bearings operates over 100 automated grinding and assembly production lines with an annual capacity of 100 million sets. Integrated production covers raw material inspection, automated conveying, heat treatment, precision grinding, and 100% quality inspection.
To request an exact replacement matching your equipment, provide the following specifications:
Check for stamped numbers on the inner or outer ring of your existing bearing.
Provide the machinery brand, model number, and year of manufacture.
Measure the Bore Inner Diameter (ID), Outer Diameter (OD), and Overall Width (W).
John Deere 8R Owner ★★★★★
"1,500 acres on Demy Bearings disc harrow bearings - zero failures. Old bearings failed every 300 acres."
Midwest Grain Farm ★★★★★
"500 harvest hours on combine bearings, still quiet. Saved 3 days of downtime."
Texas Cotton Farm ★★★★☆
"Bought square bore bearings for our disc harrow. 800 acres of tough soil, no issues. Will reorder."
What is the main advantage of triple-lip seals (IP67) in agricultural bearings?
Agricultural machinery operates in severe dust, liquid fertilizer, and mud. Triple-lip seals provide three continuous barrier points to prevent slurry penetration into the raceway while retaining internal lubricant, significantly extending bearing service life compared to single or double-lip standard seals.
How do I choose between Round Bore, Square Bore, and Hex Bore bearings?
The bore profile depends on the shaft design and torque requirement:
Are Demy Bearings agricultural bearings pre-lubricated, or do they require relubrication in the field?
We supply both maintenance-free sealed bearings (pre-filled with high-performance synthetic grease for life) and relubricatable units equipped with grease fittings for extreme-duty applications.
Can you provide exact cross-reference replacement for OEM agricultural part numbers?
Yes. We maintain an extensive cross-reference database for major machinery brands such as John Deere, Case IH, New Holland, Kubota, and Massey Ferguson. Provide your original OEM part number or shaft dimensions for precise model matching.
