61980 MA
618 & 619 Series Thin Section Bearings
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Basic Information
Main Dimensions
Performance
Materials
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61980 MA Bearing Product Overview & Core Advantages
The **61980 MA** is a **single row deep groove ball bearing** engineered for exceptional radial load capacity and precision performance. As a **metric system** bearing with **P6 tolerance class**, it delivers superior running accuracy ideal for high-precision industrial applications. Its **open design** allows for versatile lubrication options while maintaining **high rigidity** and stable operation. With a substantial **400 mm bore diameter** and robust construction using **chrome steel rings and balls**, this bearing offers reliable performance in demanding environments where **radial load handling** is paramount.
61980 MA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Impact |
|---|---|---|
| 61980 | Basic bearing series designation | Defines dimensions: 400mm bore, 540mm OD, 65mm width |
| MA | Brass cage with machined pockets | Enhanced guidance and stability at moderate speeds |
61980 MA Bearing Structural Features & Performance Benefits
Optimized Load Capacity: The **single row deep groove** construction provides excellent **radial load rating** of 77,559 lbf dynamic and 128,141 lbf static, making it suitable for heavy-duty applications.
Precision Engineering: Manufactured to **P6 tolerance class** with **CN radial internal clearance**, ensuring precise shaft positioning and reduced vibration in precision machinery.
Material Excellence: **Chrome steel rings and balls** combined with **stainless steel cage** deliver superior corrosion resistance and extended service life in harsh operating conditions.
Temperature Performance: Operating range of **-30° to 120°C** allows for reliable performance across diverse industrial environments.
Speed Capability: With a **limiting speed of 1,800 rpm**, this bearing accommodates moderate to high-speed applications while maintaining stability.
61980 MA Bearing Typical Application Areas
- Industrial Gearboxes: Large-scale power transmission systems requiring high radial load capacity
- Heavy Machinery: Construction equipment, mining machinery, and material handling systems
- Large Electric Motors: High-power motor applications where precision and reliability are critical
- Industrial Pumps: Centrifugal pumps and other fluid handling equipment
- Paper Processing Machinery: Roller applications in paper manufacturing and converting equipment
- Steel Mill Equipment: Rolling mills and other metal processing machinery
