309SZZ-HYB#1
High-Performance Custom Hybrid Ceramic Bearings (#1 Series)
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Part No.
Part No.
309SZZ-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
Shielded
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:
$ 136.8
/ each
In Stock
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309SZZ-HYB#1 Bearing Product Overview & Core Advantages
The 309SZZ-HYB#1 is a single row deep groove ball bearing engineered for high-performance applications requiring exceptional reliability. This precision bearing features a shielded design and is distinguished by its use of ceramic balls (silicon nitride), which significantly enhance its operational capabilities. It is designed to primarily handle radial loads and offers a superior combination of high-speed performance, extended service life, and corrosion resistance, making it an ideal solution for demanding industrial environments.
309SZZ-HYB#1 Bearing Model Code Explained, Specifications & Naming Convention
The model number 309SZZ-HYB#1 provides detailed technical specifications through its suffixes. Below is a breakdown:
- 309: Standard bore diameter code (45 mm).
- S: Indicates the use of Silicon Nitride (Si3N4) Ceramic Balls, which provide higher speed capability, reduced weight, and superior resistance to wear and thermal deformation.
- ZZ: Signifies that the bearing is equipped with non-contact steel shields on both sides. This provides effective protection against contamination while minimizing friction, contributing to the high limiting speed.
- HYB#1: A manufacturer-specific designation for this hybrid ceramic ball bearing configuration.
309SZZ-HYB#1 Bearing Structural Features & Performance Benefits
- Hybrid Ceramic Construction: The combination of chrome steel rings and silicon nitride balls results in a hybrid bearing with dramatically reduced friction, lower operating temperatures, and the ability to run at higher speeds (7,500 rpm) compared to all-steel equivalents. The ceramic balls are electrically insulating and highly resistant to corrosion and thermal expansion.
- High-Speed Capability: The low density and smooth surface of the ceramic balls, combined with the non-contact ZZ shields and a chrome steel cage, enable this bearing to achieve an exceptionally high limiting speed.
- Robust Load Capacity: With a dynamic load rating of 12,364 lbf and a static load rating of 9,892 lbf, this bearing offers reliable performance under significant radial loads.
- Precision & Longevity: Manufactured to ABEC 1 | ISO P0 tolerance class with a standard CN radial internal clearance, it ensures consistent and precise operation. The shields protect the internal components, extending service life in contaminated environments. The bearing is supplied unlubricated, allowing for the use of specialized lubricants tailored to the application.
309SZZ-HYB#1 Bearing Typical Application Areas
This bearing is ideally suited for applications that demand high rotational speeds, reliability, and extended life. Key industries and equipment include:
- High-Speed Spindles in machining centers and PCB drilling machines.
- Electric Motors and Servo Drives.
- Turbochargers and other automotive high-performance systems.
- Precision Medical Equipment and Dental Handpieces.
- Aerospace Instrumentation and auxiliary systems.
