61968 MA
618 & 619 Series Thin Section Bearings
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Basic Information
Main Dimensions
Performance
Materials
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61968 MA Bearing Product Overview & Core Advantages
The 61968 MA is a metric single row deep groove ball bearing designed for exceptional radial load capacity and precision performance. Engineered with P6 tolerance class precision and CN radial internal clearance, this bearing delivers high running accuracy and stable operation in demanding applications. Its open design allows for versatile lubrication options while the chrome steel construction ensures superior durability and wear resistance. With a substantial radial dynamic load rating of 63,171 lbf and optimized limiting speed of 2,200 rpm, this bearing provides reliable performance in high-precision industrial environments.
61968 MA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Impact |
|---|---|---|
| 61968 | Basic bearing number indicating deep groove ball bearing design with 340mm bore | Standardized dimension reference for compatibility |
| MA | Brass cage designation | Enhanced stability at moderate speeds, improved guidance |
61968 MA Bearing Structural Features & Performance Benefits
Precision Engineering: Manufactured to P6 tolerance class with bore diameter tolerance of -0.03mm to 0 and outside diameter tolerance of -0.033mm to 0, ensuring precise fit and minimal runout in critical applications.
Robust Load Capacity: The deep groove raceway design enables excellent radial load handling with a dynamic rating of 63,171 lbf and static rating of 95,544 lbf, making it suitable for heavy-duty applications.
High-Speed Capability: With a limiting speed of 2,200 rpm and stainless steel cage construction, the bearing maintains stability and reduced friction at elevated rotational speeds.
Material Excellence: Chrome steel rings and balls provide superior hardness and fatigue resistance, while the stainless steel cage offers corrosion resistance and dimensional stability across the operating temperature range of -30° to 120°C.
Flexible Lubrication: The open seal type allows for custom lubrication strategies tailored to specific application requirements and operating conditions.
61968 MA Bearing Typical Application Areas
- Industrial Gearboxes and power transmission systems
- Large Electric Motors and generators
- Heavy Machinery including construction and mining equipment
- Material Handling Systems such as conveyor pulleys and rollers
- Pump and Compressor applications requiring high radial load capacity
- Paper and Steel Mill machinery where precision and durability are critical
