W 619/5
W Series Stainless Steel Miniature Bearings
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Part No.
Part No.
W 619/5
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.0021 kg
Tolerance class
P0
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
5 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
13 mm
Outside diameter tolerance
-0.008mm to 0
Width
4 mm
Width tolerance
-0.12mm to 0
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
171 lbf
Radial static load rating
75 lbf
Limiting speed
70 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 619/5 Bearing Product Overview & Core Advantages
The W 619/5 is a single row deep groove ball bearing designed for exceptional performance in compact, precision applications. Constructed entirely from stainless steel, it offers excellent corrosion resistance and is suitable for a wide operating temperature range. As a fundamental radial bearing, it excels at handling high-speed rotations while providing reliable, long-lasting service. Its open design and P0 tolerance class make it an ideal choice for applications demanding high precision and reliability without the need for integrated sealing.
W 619/5 Bearing Model Code Explained, Specifications & Naming Convention
The model designation W 619/5 can be broken down as follows:
- W: Manufacturer's prefix/series identifier.
- 619: Indicates a deep groove ball bearing series with a specific cross-section.
- /5: Specifies a bore diameter of 5 mm.
- Seal Type: Open (No seal or shield).
- Tolerance Class: P0 (Normal precision).
- Clearance: CN (Normal radial internal clearance).
- Lubrication: None (Requires external lubrication).
W 619/5 Bearing Structural Features & Performance Benefits
- All-Stainless-Steel Construction: The rings, balls, and cage are made of stainless steel, providing superior corrosion resistance and making the bearing suitable for harsh environments and clean applications.
- High-Speed Capability: With a limiting speed of 70,000 rpm, this bearing is engineered for demanding high-speed applications. The open design minimizes friction and heat generation.
- Precision Performance: Manufactured to P0 tolerance class with a CN radial internal clearance, this bearing ensures consistent and smooth operation, contributing to overall system accuracy.
- Radial Load Capacity: Optimized for handling radial dynamic loads (171 lbf) and radial static loads (75 lbf), providing reliable support in its designated role.
W 619/5 Bearing Typical Application Areas
This miniature bearing is ideally suited for a variety of compact and precision devices, including:
- Small electric motors and spindles
- Precision instruments and medical devices
- Office automation equipment (e.g., printers, scanners)
- Radio-controlled models and drones
- Low-torque, high-speed machinery
