61802
618 & 619 Series Thin Section Bearings
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Basic Information
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Performance
Materials
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61802 Bearing Product Overview & Core Advantages
The 61802 is a metric single row deep groove ball bearing designed for exceptional performance in compact, high-precision applications. Its primary function is to support radial loads efficiently. Engineered with a P6 tolerance class and manufactured from high-grade chrome steel, this bearing offers superior running accuracy and reliability. Its open design and high-quality construction make it an ideal choice for applications demanding smooth operation and long service life where space is at a premium.
61802 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 61 | Series designation for extra thin-section, deep groove ball bearings. |
| 802 | Specifies the bore diameter (15 mm) and the dimensional series. |
| (No Suffix) | Indicates an open (unsealed) bearing with no pre-lubrication. |
61802 Bearing Structural Features & Performance Benefits
- High Precision & Rigidity: Manufactured to a P6 tolerance class, this bearing ensures minimal runout and precise shaft positioning. The deep groove raceway and single-row design provide excellent radial load capacity and operational stability.
- Optimized for High Speeds: The use of a lightweight, durable stainless steel cage minimizes centrifugal forces, contributing to a high limiting speed of 38,000 rpm, making it suitable for high-speed applications.
- Robust Construction: Both rings and balls are made from chrome steel, offering high hardness and wear resistance for extended bearing life under demanding conditions.
- Flexible Lubrication: The open seal type allows for customized lubrication strategies, enabling the use of specialized greases or oils to suit specific operational environments and temperature ranges (-30°C to 120°C).
61802 Bearing Typical Application Areas
- Small precision electric motors
- Medical and dental handpieces
- Office automation equipment (e.g., printers, scanners)
- Instrumentation and control devices
- Miniature gearboxes and drives