W 61800
W Series Stainless Steel Bearings
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Part No.
Part No.
W 61800
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.0048 kg
Tolerance class
P0
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
10 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
19 mm
Outside diameter tolerance
-0.009mm to 0
Width
5 mm
Width tolerance
-0.12mm to 0
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
333 lbf
Radial static load rating
187 lbf
Limiting speed
48 X 1000 rpm
Lubrication
None
Radial internal clearance
CN
Materials
Ring material
Stainless Steel
Ball material
Stainless Steel
Cage material
Stainless Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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In Stock
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W 61800 Bearing Product Overview & Core Advantages
The W 61800 is a metric single row deep groove ball bearing engineered for high-performance applications requiring precision and reliability. Constructed entirely from stainless steel, it offers excellent corrosion resistance. This open-type bearing is designed primarily for radial loads and is characterized by its compact design with a 5 mm width, making it ideal for space-constrained assemblies. Its P0 tolerance class and CN radial internal clearance ensure consistent and precise operation, suitable for a wide range of industrial and precision instruments.
W 61800 Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Technical Meaning |
|---|---|
| W | Designates a stainless steel deep groove ball bearing series. |
| 61 | Indicates the bearing series, defining its cross-sectional dimensions and general performance characteristics. |
| 800 | Specifies the bore diameter code. For this metric bearing, it corresponds to a 10 mm bore. |
| Open (No Seal Suffix) | The absence of a seal suffix (like 2Z or RS) confirms an open design, allowing for higher limiting speeds and customization of lubrication. |
W 61800 Bearing Structural Features & Performance Benefits
- All-Stainless-Steel Construction: The rings, balls, and cage are made from stainless steel, providing superior corrosion resistance and making the bearing suitable for harsh environments, including those requiring washdown or exposure to certain chemicals.
- High-Speed Capability: The open design and precision-ground components contribute to a high limiting speed of 48,000 rpm, enabling use in demanding high-rotation applications.
- Radial Load Capacity: Engineered to handle significant radial dynamic load ratings (333 lbf) and static load ratings (187 lbf) for its compact size, ensuring durability and long service life.
- Precision & Stability: Manufactured to P0 tolerance class with a standard CN radial internal clearance, guaranteeing smooth running, low noise, and minimal vibration, which is critical for precision instruments.
- Flexible Lubrication: As an open bearing supplied without lubrication, it offers the flexibility for the user to apply a specialized grease or oil best suited for the specific application's speed, temperature, and environmental conditions.
W 61800 Bearing Typical Application Areas
- Precision Instruments and Optical Devices
- Small Electric Motors and Spindles
- Medical and Dental Equipment
- Food Processing and Packaging Machinery (where corrosion resistance is critical)
- Robotics and Automation Guides
