S693
600 Series Stainless Steel Miniature Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S693
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.6 g
Tolerance class
ABEC1
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
3 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
8 mm
Outside diameter tolerance
-0.008mm to 0
Width
3 mm
Width tolerance
-0.12mm to 0
Inner Ring Dimensions
Inner ring type
Standard
Ball & Washer Dimensions
Ball diameter
1.588 mm
Ball quantity
6
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
96 lbf
Radial static load rating
29 lbf
Limiting speed
54 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
- Fast delivery
- Free shipping on orders over $200
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
S693 Bearing Product Overview & Core Advantages
The S693 is a metric miniature ball bearing designed for precision applications requiring compact dimensions and reliable performance. As a single row deep groove ball bearing, it excels at handling primarily radial loads while also accommodating moderate axial loads in both directions. Manufactured entirely from stainless steel, it offers excellent corrosion resistance. Its compact design (3mm bore, 8mm OD) and ABEC1 precision class make it an ideal choice for high-speed, space-constrained mechanisms demanding consistent operation and long service life.
S693 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S693 | Standard model number for a metric, miniature deep groove ball bearing with a 3mm bore diameter. |
| Open (Seal Type) | The bearing is unsealed ("Open"), allowing for custom lubrication schemes but requiring a clean operating environment. |
| MC3 (Clearance) | Specifies a radial internal clearance group of 0.002mm to 0.013mm, suitable for most general applications. |
S693 Bearing Structural Features & Performance Benefits
- High-Speed Capability: The stainless steel cage and optimized design contribute to a high limiting speed of 54,000 rpm, making it a capable high-speed bearing for miniature applications.
- Corrosion Resistance: Constructed entirely from stainless steel (rings, balls, and cage), this bearing is inherently resistant to rust and corrosion, ideal for harsh environments or washdown applications.
- Precision Performance: Manufactured to ABEC1 tolerance class with tight dimensional control on the bore diameter and outside diameter, ensuring smooth and precise rotation with minimal runout.
- Robust Load Capacity: Despite its miniature bearing dimensions, it offers a substantial radial dynamic load rating of 96 lbf, providing reliable performance under load.
S693 Bearing Typical Application Areas
- Precision Instruments: Optical encoders, medical devices, and laboratory equipment.
- Small Motors and Drives: Stepper motors, miniature DC motors, and spindle drives in compact devices.
- Office Automation: Printers, scanners, and copiers.
- Robotics and RC Models: Joints, gears, and small drive systems.
