W 624 R
W Series Stainless Steel Flanged Miniature Bearings
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Part No.
Part No.
W 624 R
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.0031 kg
Tolerance class
P0
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
4 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
13 mm
Outside diameter tolerance
-0.008mm to 0
Width
5 mm
Width tolerance
-0.12mm to 0
Outer Ring Dimensions
Flange outer diameter
15 mm
Flange thickness
1 mm
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
167 lbf
Radial static load rating
56 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 624 R Bearing Product Overview & Core Advantages
The W 624 R is a single row deep groove ball bearing designed for compact applications requiring high precision and reliable performance. Constructed entirely from stainless steel, it offers excellent corrosion resistance. Its key advantage lies in its ability to efficiently handle radial loads, making it an ideal, space-saving solution for instruments and devices where durability and consistent operation are critical.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| W | Stainless Steel Bearing Designation |
| 624 | Standard deep groove ball bearing series with a 4 mm bore, 13 mm OD, and 5 mm width. |
| R | Flanged outer ring, providing a locating surface for simplified mounting and positioning. |
W 624 R Bearing Structural Features & Performance Benefits
- Compact & Robust Flange Design: The integrated flange (15 mm outer diameter) facilitates easy and secure installation, eliminating the need for complex housing designs and ensuring precise axial location.
- Corrosion Resistance: Manufactured from stainless steel for the rings, balls, and cage, this bearing is suitable for applications exposed to moisture, chemicals, or demanding environments, ensuring long service life.
- High-Speed Capability: As an open bearing, it is capable of high rotational speeds (limiting speed of 70,000 rpm), making it suitable for high-speed spindles and miniature motors.
- Radial Load Capacity: The deep groove raceway and single-row design are optimized to carry significant radial dynamic loads (167 lbf) despite its miniature bearing dimensions.
- Precision & Low Friction: Built to P0 tolerance class and standard CN radial internal clearance, it ensures smooth, low-noise, and low-vibration operation.
W 624 R Bearing Typical Application Areas
This miniature flanged bearing is engineered for precision applications across various industries, including:
- Precision Instruments: Optical encoders, measuring devices, and laboratory equipment.
- Small Motors & Drives: Stepper motors, miniature DC motors, and fan spindles.
- Medical Devices: Surgical hand tools, dental drills, and pump systems requiring corrosion resistance.
- Office Automation: Printers, scanners, and copiers.
- Robotics: Joints and actuators in small-scale robotic systems.
