GW208PPB5 Square Bore Agricultural Bearings
At the heart of modern agriculture, efficiency and durability determine its success. GW208PPB5 Square Bore Agricultural Bearings are critical components for machinery operating under demanding field conditions. BMT meticulously designs high-quality bearings to support rotating shafts in equipment such as disc harrows, cultivators, and seed drills, ensuring reliable performance during the critical planting and harvesting seasons.
With over 20 years of bearing manufacturing expertise and real-world feedback from agricultural field applications, BMT Bearing specializes in the R&D and production of high-performance agricultural bearings. The GW208PPB5 Square Bore Agricultural Bearings are specifically engineered for modern, heavy-duty agricultural machinery, designed to maintain stable operation even in the most complex and demanding field environments.
Leveraging ISO 9001 and IATF 16949 quality management systems, alongside fully automated grinding and assembly lines, every product undergoes rigorous testing to ensure its reliability and consistency within agricultural equipment worldwide.
Technical Parameters
BMT Company’s GW208PPB5 Square Bore Agricultural Bearings series includes 10 continuous models (SAB-001 to SAB-010), with main dimensions (bore d x outer D x width B in mm), dynamic load rating (C in kN), and static load rating (C0 in kN), per ISO 3228 for agricultural applications.
| SQUARE BORE | ||||||||
| Item | TYPE | Shaft Size | A | D | Be | Bi | Load Ratings | |
| Dynamic | Static | |||||||
| W211PP5 | 4 | 38.1 | 38.89 | 101.6 | 36.52 | 44.45 | 9, 740 | 5, 850 |
| W211PPB6 | 6 | 38.1 | 38.89 | 103.556 | 36.52 | 44.45 | 9, 740 | 5, 850 |
| GW208PPB5 | 1 | 28.575 | 29.972 | 80 | 21 | 36.525 | 7, 340 | 3, 650 |
| GW208PPB6 | 1 | 25.4 | 26.162 | 80 | 21 | 36.525 | 7, 340 | 3, 650 |
| GW208PPB8 | 2 | 28.575 | 29.972 | 80 | 30.175 | 36.525 | 7, 340 | 3, 650 |
| GW208PP17 | 4 | 28.575 | 29.972 | 85.738 | 30.175 | 36.525 | 7, 340 | 3, 650 |
| GW208PPB17 | 2 | 28.575 | 29.972 | 85.738 | 30.175 | 36.525 | 7, 340 | 3, 650 |
| GW209PPB5 | 2 | 31.75 | 32.776 | 85 | 30.175 | 36.525 | 7, 350 | 4, 150 |
| GW209PPB8 | 1 | 31.75 | 32.776 | 85 | 22 | 36.525 | 7, 350 | 4, 150 |
| GW210PP4 | 5 | 28.575 | 29.972 | 90 | 30.175 | 30.175 | 7, 880 | 4, 650 |
| GW210PPB4 | 3 | 28.575 | 29.972 | 90 | 30.175 | 30.175 | 7, 880 | 4, 650 |
| GW211PP3 | 5 | 38.1 | 39.89 | 100 | 33.325 | 33.325 | 9, 740 | 5, 850 |
| GW211PPB3 | 3 | 38.1 | 38.89 | 100 | 33.325 | 33.325 | 9, 740 | 5, 850 |
| GW211PP5 | 4 | 38.1 | 38.89 | 101.6 | 36.525 | 44.45 | 9, 740 | 5, 850 |
| GW211PP17 | 4 | 38.1 | 38.89 | 100 | 33.325 | 44.45 | 9, 740 | 5, 850 |
| GW211PPB17 | 1 | 38.1 | 38.89 | 100 | 33.325 | 44.45 | 9, 740 | 5, 850 |
| GW214PPB4 | 3 | 50.8 | 52.2 | 125 | 39.675 | 39.675 | 14, 000 | 8, 800 |
| GW216PP2 | 4 | 57.15 | 58.8 | 140 | 30 | 63.5 | 16, 280 | 10, 400 |
These ratings ensure reliable performance under 1,000 RPM, L10 life span exceeding 60,000 hours.
Key Product Features and Technical Advantages
1. Heavy-Duty Structural Design
Features a high-strength cast iron housing combined with a hardened steel liner structure, effectively resisting impact loads and preventing deformation.
2. Square-Bore Anti-Slip Drive Mechanism
Precisely matches the square shaft design to eliminate slippage issues and enhance torque transmission efficiency.
3. Triple Sealing System (IP69K Rated)
Effectively blocks the ingress of mud, fertilizers, moisture, and dust, ensuring reliable performance in harsh agricultural environments.
4. Wide-Temperature Lubrication System
Utilizes high-performance synthetic grease, enabling stable operation across a temperature range of -35°C to 130°C.
5. Adaptive Micro-Alignment Capability
Minimizes the impact of shaft misalignment, thereby enhancing overall operational stability and extending the service life of the machinery.
6. Anti-Corrosion Coating Protection
Suitable for use in humid and highly corrosive agricultural environments, extending the product's operational lifespan.
Why Choose BMT’s GW208PPB5 Square Bore Agricultural Bearings?
- Extended Service Life: Field testing demonstrates a lifespan increase of over 2.5 times.
- Reduced Maintenance Costs: Cuts repair and replacement expenses by approximately 35%.
- 50% Faster Installation: The square-bore design eliminates the need for adapter components.
- Compatibility with Major Brands: Perfectly fits equipment from leading manufacturers such as John Deere and Case.
- Robust All-Environment Performance: Operates stably and reliably in muddy, wet, and arid conditions alike.
- Exceptional Value + 5-Year Warranty: An ideal choice for both distributors and end-users seeking long-term reliability.
Application
- Extended Service Life: Field testing demonstrates a lifespan increase of over 2.5 times.
- Reduced Maintenance Costs: Cuts repair and replacement expenses by approximately 35%.
- 50% Faster Installation: The square-bore design eliminates the need for adapter components.
- Compatibility with Major Brands: Perfectly fits equipment from leading manufacturers such as John Deere and Case.
- Robust All-Environment Performance: Operates stably and reliably in muddy, wet, and arid conditions alike.
- Exceptional Value + 5-Year Warranty: An ideal choice for both distributors and end-users seeking long-term reliability.
Installation and Usage Instructions
To ensure optimal performance, please adhere to the following recommendations:
Pre-Installation:
Clean the shaft end and apply anti-seize compound; ensure the mounting surface is free of contaminants.
Installation Procedure:
Ensure the square bore fits snugly against the square shaft, then tighten using the lock nut (torque: 20–30 Nm).
Operation and Maintenance:
Maximum allowable angular misalignment: ≤1°
Temperature limit: <90°C
Apply NLGI No. 2 grease every 250 hours of operation.
Storage Requirements:
Store in a dry environment to prevent moisture ingress and corrosion.
Manufacturing Capabilities
- ISO 9001 & IATF 16949 Quality System Certifications
- Automated Grinding and Assembly Production Lines
- Rigorous, Comprehensive Inspection System
- Extensive Experience in Long-Term Partnerships with Global OEM Clients
- A Corporate Philosophy of "Quality First, Reputation First, Service First"
Frequently Asked Questions
What’s the difference between GW208PPB5 and GW208PPB6?
PPB5: 1” square bore (28.575 mm)
PPB6: 25.4 mm square bore
Same load rating & sealing
Can I use this on a John Deere 2630 disc harrow?
✅ Yes – direct replacement, no modification.
Does it work in muddy rice fields?
✅ IP69K seal tested in continuous mud immersion (72h no ingress).
Do you provide samples before bulk order?
✅ Yes – stock samples available within 3 days.
How do I verify authenticity?
✅ Each bearing has a laser-etched batch code traceable to production date & test record.
Contact and Company Credibility
Ningbo Demy (D&M) Bearings Co., Ltd.
No.183,Longfeng,West of Zhangting industrial Zone,Yuyao,Ningbo,China
Established: 2004 (21 years)
Export markets: USA, Canada, Germany, Brazil, Australia, South Africa
Factory size: 12,000 m²
Employees: 180+ (35 engineers)
Hot Tags: GW208PPB5 Square Bore Agricultural Bearings
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No.183,Longfeng,West of Zhangting industrial Zone,Yuyao,Ningbo,China
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