61808
618 & 619 Series Thin Section Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
61808
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.032 kg
Tolerance class
P6
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
40 mm
Bore diameter tolerance
-0.01mm to 0
Outside diameter
52 mm
Outside diameter tolerance
-0.011mm to 0
Width
7 mm
Width tolerance
-0.12mm to 0
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
1009 lbf
Radial static load rating
843 lbf
Limiting speed
16 X 1000 rpm
Lubrication
None
Radial internal clearance
CN
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Stainless Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 21.64
/ each
In Stock
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61808 Bearing Product Overview & Core Advantages
The 61808 is a single row deep groove ball bearing designed for precision applications requiring high reliability and compact design. Engineered to primarily handle radial loads, its metric dimensions and P6 tolerance class ensure exceptional running accuracy. Constructed entirely from chrome steel for the rings and balls, and featuring a stainless steel cage, this bearing offers excellent durability and corrosion resistance. Its open design allows for versatile lubrication options, making it a robust and cost-effective solution for high-speed machinery.
61808 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 61808 | Standard designation for a single row deep groove ball bearing with a 40mm bore and 52mm outside diameter. |
| Open (Seal Type) | No integral seals or shields, allowing for high-speed operation and custom lubrication schemes. |
| P6 (Tolerance Class) | Indicates a precision bearing with tighter dimensional and running accuracy tolerances than standard bearings. |
| CN (Radial Internal Clearance) | Standard normal clearance group, suitable for most common operating conditions. |
61808 Bearing Structural Features & Performance Benefits
- High-Speed Capability: The combination of an open design, a lightweight stainless steel cage, and a limiting speed of 16,000 rpm makes this bearing ideal for high-speed applications.
- Precision Performance: Manufactured to P6 tolerance class, this bearing ensures minimal vibration and noise, contributing to the smooth operation of precision equipment.
- Robust Load Capacity: With a dynamic load rating of 1009 lbf and a static load rating of 843 lbf, it provides reliable performance under significant radial loads.
- Durable Construction: The use of chrome steel for rolling elements and rings provides high hardness and wear resistance, while the stainless steel cage enhances durability in various environments.
- Compact & Lightweight: With a narrow width of 7 mm and a weight of just 0.032 kg, it enables space-saving and weight-sensitive designs.
61808 Bearing Typical Application Areas
This deep groove ball bearing is widely used in applications demanding precision and high rotational speeds, including:
- Electric Motors and Generators
- Precision Machine Tool Spindles
- Office Automation Equipment (e.g., printers, scanners)
- Medical and Dental Handpieces
- Small Gearboxes and Power Transmission Systems
