61820
618 & 619 Series Thin Section Bearings
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Basic Information
Main Dimensions
Performance
Materials
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61820 Bearing Product Overview & Core Advantages
The 61820 is a single row deep groove ball bearing designed for high-precision radial load applications. As a metric series bearing with P6 tolerance class, it delivers exceptional running accuracy and dimensional stability. Its compact design, featuring a 100 mm bore and 125 mm outside diameter with a narrow 13 mm width, provides an optimal solution for space-constrained assemblies requiring reliable performance under substantial radial dynamic load ratings of 4002 lbf.
61820 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 61820 | Basic designation for single row deep groove ball bearing series |
| - | No suffix indicates open construction with no seals or shields |
| P6 | Tolerance class P6 - higher precision than normal class |
| CN | Normal radial internal clearance - standard operating conditions |
61820 Bearing Structural Features & Performance Benefits
Precision Engineering: Manufactured to P6 tolerance class with bore and outside diameter tolerances of -0.015mm to 0, ensuring precise fit and minimal runout in demanding applications.
High-Quality Materials: Constructed with chrome steel rings and balls combined with a stainless steel cage, providing excellent durability and corrosion resistance while maintaining dimensional stability across the operating temperature range of -30° to 120°C.
Optimized Load Capacity: The deep groove raceway design enables efficient handling of radial loads with a dynamic load rating of 4002 lbf and static load rating of 4114 lbf, making it suitable for moderate to high-load applications.
High-Speed Capability: With a limiting speed of 6,300 rpm, this bearing supports demanding rotational requirements while maintaining stable operation.
Customizable Lubrication: The open design allows for application-specific lubrication selection, providing flexibility for various operating environments and maintenance schedules.
61820 Bearing Typical Application Areas
- Electric motors and generators requiring precise shaft guidance
- Industrial gearboxes and power transmission systems
- Machine tool spindles and precision mechanical components
- Material handling equipment and conveyor systems
- Agricultural machinery and automotive components
- Pumps and compressors where radial load support is critical
