61984 MA
618 & 619 Series Thin Section Bearings
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Basic Information
Main Dimensions
Performance
Materials
Environment & Compliance
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61984 MA Bearing Product Overview & Core Advantages
The 61984 MA is a single row deep groove ball bearing designed for exceptional performance in demanding industrial applications. Engineered to primarily accommodate radial loads, this bearing features an open design that facilitates optimal lubrication management. Manufactured to a P6 tolerance class, it guarantees high running accuracy and dimensional consistency, making it a reliable choice for precision machinery. Its robust construction from high-grade chrome steel ensures long-term durability and operational reliability.
61984 MA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Significance |
|---|---|---|
| 61984 | Basic Bearing Number | Defines the standard bearing dimensions (420mm bore, 560mm OD, 65mm width). |
| M | Machined Brass Cage | Indicates a high-strength, guided cage suitable for high-speed applications and demanding conditions. |
| A | Internal Design | Specifies optimized internal geometry for enhanced performance. |
61984 MA Bearing Structural Features & Performance Benefits
High Load Capacity: With a radial dynamic load rating of 78,908 lbf and a static load rating of 134,885 lbf, this bearing is built to handle significant radial forces in heavy-duty equipment.
Precision & High-Speed Capability: The P6 tolerance class ensures minimal runout and vibration, while the combination of the machined brass cage (M) and CN radial internal clearance contributes to stable operation at its limiting speed of 1,800 rpm.
Robust Material Construction: The rings and balls are made from chrome steel, offering high hardness and wear resistance. The stainless steel cage provides excellent corrosion resistance and cage integrity.
Versatile Operating Range: It operates effectively within a temperature range of -30°C to 120°C, making it suitable for various industrial environments.
61984 MA Bearing Typical Application Areas
This bearing is ideally suited for applications requiring high precision and robust load capacity, including:
- Large Industrial Gearboxes
- Heavy-Duty Machinery Spindles
- Vibrating Screens and Mining Equipment
- Large Electric Motors and Generators
- Wind Turbine Main Shafts
