S637zz
600 Series Stainless Steel Miniature Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S637zz
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
25.8 g
Tolerance class
ABEC1
Seal type
Shielded
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
MC3
Radial internal clearance
0.002mm to 0.013mm
Materials
Ring material
Stainless Steel
Ball material
Stainless Steel
Cage material
Stainless Steel
Shield material
300 Series 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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S637zz Bearing Product Overview & Core Advantages
The S637zz 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. Its key advantages include a shielded design for contaminant protection, a high limiting speed of 25,200 rpm, and the ability to handle significant radial dynamic loads up to 785 lbf. This makes it an ideal, compact solution for demanding environments where durability and consistent operation are critical.
S637zz Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Benefit |
|---|---|---|
| S | Stainless Steel | Provides superior corrosion resistance. |
| 6 | Single Row Deep Groove | Versatile design for radial and light axial loads. |
| 37 | Bore Diameter Code (7 mm) | Defines the critical inner diameter dimension. |
| zz | Shielded on Both Sides | Offers effective protection against dust and debris, retaining lubrication. |
S637zz Bearing Structural Features & Performance Benefits
- Robust Stainless Steel Construction: All components, including rings, balls, cage, and shields, are made from stainless steel, ensuring consistent performance and longevity in corrosive or wash-down environments.
- Optimized Load Capacity: The deep groove raceway and 7 high-grade stainless steel balls enable it to handle a radial dynamic load rating of 785 lbf, making it suitable for applications with significant radial forces.
- High-Speed Capability: The precision-ground components and stainless steel cage contribute to a high limiting speed of 25,200 rpm, supporting applications requiring rapid rotation.
- Enhanced Contamination Resistance: The non-contact zz shields protect the internal bearing components from particulate contaminants, extending service life and reducing maintenance needs.
- Precision Fit and Operation: Manufactured to ABEC1 tolerance class with a controlled MC3 radial internal clearance (0.002mm to 0.013mm), ensuring smooth and quiet running.
S637zz Bearing Typical Application Areas
- Precision Instruments and Optical Devices
- Small Electric Motors and Gearboxes
- Medical and Dental Equipment
- Food Processing and Packaging Machinery (due to stainless steel construction)
- Office Automation Equipment (e.g., printers, scanners)
