S637
600 Series Stainless Steel Miniature Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S637
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
24.2 g
Tolerance class
ABEC1
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
7 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
26 mm
Outside diameter tolerance
-0.008mm to 0
Width
9 mm
Width tolerance
-0.12mm to 0
Inner Ring Dimensions
Inner ring type
Standard
Ball & Washer Dimensions
Ball diameter
4.762 mm
Ball quantity
7
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
785 lbf
Radial static load rating
321 lbf
Limiting speed
25.2 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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S637 Bearing Product Overview & Core Advantages
The S637 is a metric single row deep groove ball bearing designed for high-performance applications requiring precision and reliability. Manufactured entirely from stainless steel, it offers excellent corrosion resistance. Its open design allows for versatile lubrication options, making it suitable for a wide operating temperature range. This bearing excels in handling primarily radial loads and is characterized by its compact dimensions, low weight, and operation at high limiting speeds, making it an ideal choice for applications demanding efficiency and durability.
S637 Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Interpretation | Technical Significance |
|---|---|---|
| S | Stainless Steel | Indicates the bearing rings, balls, and cage are made from stainless steel, providing superior corrosion resistance. |
| 6 | Deep Groove | Signifies the deep groove raceway construction, optimized for high-speed operation and radial load capacity. |
| 37 | Bore Diameter Code | Specifies a 7 mm bore diameter. |
| (Implied) | Open, No Seal/Shield | The absence of a suffix indicates an open bearing, requiring external lubrication but allowing for higher speed limits. |
| (Implied) | ABEC 1 Tolerance | Denotes standard precision grade, suitable for a wide range of general-purpose applications. |
S637 Bearing Structural Features & Performance Benefits
- Deep Groove Raceway & Single Row Design: The geometry of the deep groove raceway enables the S637 to handle not only significant radial loads but also moderate axial loads in both directions. The single-row design with 7 precision balls ensures smooth, low-friction operation.
- All-Stainless Steel Construction: The use of stainless steel for the rings, balls, and cage provides excellent resistance to rust and corrosion, making this bearing suitable for harsh environments, including those with exposure to moisture or certain chemicals.
- High-Speed Capability: The open design, combined with the low-friction stainless steel components and optimized ball quantity and diameter, contributes to a high limiting speed of 25,200 rpm, ideal for demanding applications.
- Precision & Clearance: Manufactured to ABEC 1 tolerance class with a C3 radial internal clearance, this bearing offers reliable performance and accommodates thermal expansion in a variety of operating conditions.
S637 Bearing Typical Application Areas
The S637 deep groove ball bearing is engineered for use in a diverse range of equipment and industries, including:
- Precision Instruments: Optical encoders, medical devices, and small measuring instruments.
- Electric Motors: Small spindle motors, fans, and pumps.
- Office Automation Equipment: Printers, scanners, and copiers.
- Food and Beverage Processing Machinery: Where corrosion resistance and cleanability are paramount.
- General Machinery: Any application requiring a reliable, high-speed, and corrosion-resistant ball bearing with a 7 mm bore.
