W 623 R
W Series Stainless Steel Flanged Miniature Bearings
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Part No.
Part No.
W 623 R
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.0017 kg
Tolerance class
P0
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
3 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
10 mm
Outside diameter tolerance
-0.008mm to 0
Width
4 mm
Width tolerance
-0.12mm to 0
Outer Ring Dimensions
Flange outer diameter
11.5 mm
Flange thickness
1 mm
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
80 lbf
Radial static load rating
25 lbf
Limiting speed
90 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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W 623 R Bearing Product Overview & Core Advantages
The W 623 R is a metric miniature deep groove ball bearing designed for precision applications requiring compact dimensions and reliable performance. Constructed entirely from stainless steel, this open-type single row bearing excels in handling radial loads and is suitable for a wide operating temperature range. Its small size, high limiting speed, and compliance with ROHS and REACH standards make it an ideal choice for high-reliability, compact assemblies.
W 623 R Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| W | Stainless Steel Deep Groove Ball Bearing |
| 623 | Bearing series and size designation (3mm bore, 10mm OD, 4mm width) |
| R | Flanged outer ring design |
W 623 R Bearing Structural Features & Performance Benefits
- Compact & Lightweight Design: With a bore diameter of just 3mm and a weight of only 0.0017 kg, this bearing is engineered for space-constrained applications, enabling miniaturization of equipment.
- High-Speed Capability: The stainless steel cage and optimized internal geometry contribute to a high limiting speed of 90,000 rpm, supporting demanding operational requirements.
- Corrosion Resistance: All components, including rings, balls, and cage, are manufactured from stainless steel, providing excellent resistance to corrosion and making it suitable for harsh environments.
- Simplified Mounting: The integrated flange on the outer ring (11.5mm diameter) facilitates easy axial location and secure mounting, reducing assembly complexity and cost.
- Standard Precision: Manufactured to P0 tolerance class and standard radial internal clearance (CN), it ensures consistent performance and interchangeability.
W 623 R Bearing Typical Application Areas
This miniature flanged bearing is commonly specified in:
- Precision Instruments and small medical devices
- Small DC motors and miniature gearboxes
- Office automation equipment, such as printers and scanners
- Robotics and small articulated arms
- Optical and encoder systems
