309SFF-HYB#1
High-Performance Custom Hybrid Ceramic Bearings (#1 Series)
Image may differ from product. See technical specification for details.
Part No.
Part No.
309SFF-HYB#1
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.88 kg
Tolerance class
ABEC 1 | ISO P0
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
45 mm
Bore diameter tolerance
-0.012mm to 0
Outside diameter
100 mm
Outside diameter tolerance
-0.015mm to 0
Width
25 mm
Width tolerance
-0.12mm to 0
Performance
Temperature range
-30°to 120 °C
Radial dynamic load rating
12364 lbf
Radial static load rating
9892 lbf
Limiting speed
7.5 X 1000 rpm
Lubrication
None
Radial internal clearance
CN
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Chrome Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 134.51
/ each
In Stock
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309SFF-HYB#1 Bearing Product Overview & Core Advantages
The 309SFF-HYB#1 is a precision single row deep groove ball bearing engineered for demanding applications requiring exceptional performance. Featuring a ceramic ball (silicon nitride) design, this bearing delivers superior high-speed capabilities, reduced friction, and extended service life compared to conventional steel ball bearings. Its open design and ABEC 1 precision make it ideal for applications where high rotational accuracy and reliability are paramount. The bearing is designed to primarily handle radial loads efficiently.
309SFF-HYB#1 Bearing Model Code Explained, Specifications & Naming Convention
| Suffix / Prefix | Technical Meaning |
|---|---|
| 309 | Standard bore diameter series designation. |
| SFF | Indicates specific internal design features (e.g., optimized raceway geometry). |
| HYB | Denotes the Hybrid construction with ceramic balls and steel rings. |
| #1 | Variant or internal manufacturing code. |
309SFF-HYB#1 Bearing Structural Features & Performance Benefits
- Hybrid Ceramic Design: The use of silicon nitride ceramic balls significantly reduces weight and centrifugal forces, enabling higher limiting speeds (up to 7,500 rpm). This material also provides excellent electrical insulation, corrosion resistance, and operates effectively across a wide temperature range (-30°C to 120°C).
- High Precision & Rigidity: Manufactured to ABEC 1 / ISO P0 tolerance class with a CN radial internal clearance, this bearing ensures smooth, quiet operation and precise shaft guidance, contributing to overall system high rigidity.
- Superior Load Capacity: With a dynamic load rating of 12,364 lbf and a static load rating of 9,892 lbf, it offers robust performance under significant radial loads.
- Open Design for Custom Lubrication: The open seal type allows for the application of specialized lubricants tailored to specific operational environments, optimizing performance for high-speed applications.
309SFF-HYB#1 Bearing Typical Application Areas
This high-speed hybrid bearing is ideally suited for:
- Electric Motors & Spindles: Especially in high-frequency motors and CNC spindle drives where speed and precision are critical.
- Aerospace & Defense Systems: Actuators, guidance systems, and auxiliary power units benefiting from ceramic ball advantages.
- Medical Equipment: High-speed dental handpieces and laboratory centrifuges.
- Industrial Pumps & Compressors: Applications requiring reliable operation at high rotational speeds.
- Precision Instrumentation: Equipment demanding minimal vibration and high running accuracy.
