S634
600 Series Stainless Steel Miniature Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S634
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
5.24 g
Tolerance class
ABEC1
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
4 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
16 mm
Outside diameter tolerance
-0.008mm to 0
Width
5 mm
Width tolerance
-0.12mm to 0
Inner Ring Dimensions
Inner ring type
Standard
Ball & Washer Dimensions
Ball diameter
2.381 mm
Ball quantity
7
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
231 lbf
Radial static load rating
85 lbf
Limiting speed
32.4 X 1000 rpm
Lubrication
Required
Radial internal clearance
0.002mm to 0.013mm
Radial internal clearance
MC3
Materials
Ring material
Stainless Steel
Ball material
Stainless Steel
Cage material
Stainless Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 1.35
/ each
In Stock
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S634 Bearing Product Overview & Core Advantages
The S634 is a single row deep groove ball bearing designed for high-performance applications requiring precision and reliability. Constructed entirely from stainless steel, it offers excellent corrosion resistance. This bearing is engineered to primarily support radial loads and is characterized by its compact design with a 4 mm bore, making it ideal for applications where space is limited. Its ABEC1 precision class ensures consistent performance, making it a robust and dependable choice for various industrial and precision instruments.
S634 Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Interpretation |
|---|---|
| S | Stainless Steel construction for enhanced corrosion resistance. |
| 6 | Denotes the series, indicating specific dimensional proportions. |
| 34 | Indicates a bore diameter of 4 mm. |
| (No Suffix) | The standard, open design signifies no built-in seals or shields, allowing for higher speed capability and requiring external lubrication. |
S634 Bearing Structural Features & Performance Benefits
- Compact & Lightweight Design: With dimensions of 4 mm (bore) x 16 mm (OD) x 5 mm (width) and a weight of just 5.24 grams, this bearing is ideal for miniaturized and weight-sensitive assemblies.
- High-Speed Capability: The open design and optimized internal geometry, including 7 precision balls, contribute to a high limiting speed of 32,400 rpm.
- Corrosion Resistance: Manufactured entirely from stainless steel (rings, balls, and cage), it is suitable for harsh environments and applications requiring washdown or exposure to moisture.
- Precision Performance: The ABEC1 tolerance class and controlled MC3 radial internal clearance (0.002mm to 0.013mm) ensure smooth and quiet operation, reducing vibration and noise.
- Robust Load Capacity: Engineered to handle significant radial dynamic load ratings of 231 lbf, providing reliable performance under demanding conditions.
S634 Bearing Typical Application Areas
- Precision Instruments: Optical encoders, measuring devices, and laboratory equipment.
- Small Motors and Gearboxes: High-speed spindles in dental handpieces, miniature DC motors, and precision gear mechanisms.
- Office Automation Equipment: Scanners, printers, and copiers.
- Medical Devices: Surgical tools and diagnostic equipment where corrosion resistance and reliability are critical.
- Food and Beverage Machinery: Conveyor systems and pumps where stainless steel construction is mandated.
