S6811zz
S6800 Series Stainless Steel Thin Section Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S6811zz
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
83 g
Tolerance class
ABEC-1
Seal type
Shielded
For load direction
Radial
Main Dimensions
Bore diameter
55 mm
Bore diameter tolerance
-0.015mm to 0
Outside diameter
72 mm
Outside diameter tolerance
-0.013mm to 0
Width
9 mm
Width tolerance
-0.150mm to 0
Performance
Temperature range
-86 to 230 °F
Radial dynamic load rating
1780 lbf
Radial static load rating
1635 lbf
Limiting speed
9 X 1000 rpm
Lubrication
Required
Radial internal clearance
C0
Radial internal clearance
0.008mm to 0.028mm
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:
$ 7.45
/ each
In Stock
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S6811zz Bearing Product Overview & Core Advantages
The S6811zz is a single row deep groove ball bearing designed for precision applications requiring reliable performance. Engineered with a stainless steel construction throughout (rings, balls, and cage), it offers excellent corrosion resistance. Its primary function is to support radial loads efficiently. The bearing features a compact design with a 9 mm width, making it ideal for space-constrained assemblies. With an ABEC-1 precision class and shielded (ZZ) design, it provides good protection against contamination while maintaining operational integrity, suitable for applications demanding high reliability and consistent performance.
S6811zz Bearing Model Code Explained, Specifications & Naming Convention
The model designation S6811zz can be broken down as follows:
- S: Denotes the ring and ball material as Stainless Steel, providing enhanced corrosion resistance.
- 68: Indicates the bearing series, defining the cross-sectional dimensions and load capacity characteristics.
- 11: Specifies the bore diameter code. For this series, it corresponds to a 55 mm bore diameter.
- zz: Signifies that the bearing is equipped with shields on both sides. These non-contact shields help protect the internal components from large particulate contaminants while allowing for high-speed operation.
S6811zz Bearing Structural Features & Performance Benefits
- Robust Stainless Steel Construction: The use of stainless steel for all critical components (rings, balls, cage) ensures superior corrosion resistance and makes the bearing suitable for harsh environments, including those requiring washdown or exposure to certain chemicals.
- Optimized Radial Load Capacity: The deep groove raceway and single-row design are engineered to handle significant radial dynamic load ratings (1780 lbf) and radial static load ratings (1635 lbf), providing stable and durable performance.
- High-Speed Capability: The combination of the stainless steel cage and low-friction deep groove geometry contributes to a high limiting speed of 9,000 rpm, suitable for various demanding rotational applications.
- Precision and Stability: Manufactured to ABEC-1 tolerance class with a C0 radial internal clearance (0.008mm to 0.028mm), the bearing offers consistent running accuracy and smooth operation, reducing vibration and noise.
- Shielded Protection: The ZZ shields help retain lubricant and exclude larger contaminants, extending bearing life and reducing maintenance needs in many operating conditions. Lubrication is required for optimal performance.
S6811zz Bearing Typical Application Areas
The S6811zz is well-suited for a variety of precision instruments and machinery, including:
- Electric Motors and Small Gearboxes
- Medical and Dental Equipment
- Food Processing and Packaging Machinery (where corrosion resistance is critical)
- Precision Spindles and Office Automation Equipment
- Robotics and Automation Components
