6205-Z/HC5C3
6000 Series HC5/HC5C3 Hybrid Ceramic Bearings
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Part No.
Part No.
6205-Z/HC5C3
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
128 g
Tolerance class
ABEC 1 | ISO P0
Seal type
Shielded
For load direction
Radial
Main Dimensions
Bore diameter
25 mm
Bore diameter tolerance
-0.01mm to 0
Outside diameter
52 mm
Outside diameter tolerance
-0.013mm to 0
Width
15 mm
Width tolerance
-0.120mm to 0
Performance
Temperature range
-30°to 120 °C
Radial dynamic load rating
3147 lbf
Radial static load rating
1765 lbf
Limiting speed
13 X 1000 rpm
Lubrication
None
Radial internal clearance
C3
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:
$ 48
/ each
In Stock
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6205-Z/HC5C3 Bearing Product Overview & Core Advantages
The 6205-Z/HC5C3 is a single row deep groove ball bearing engineered for high-performance applications requiring exceptional reliability. This metric bearing features a shielded design and is constructed with advanced materials, including Silicon Nitride (Si3N4) ceramic balls, which significantly reduce friction, heat generation, and wear. Its primary advantages include a high limiting speed and the ability to handle substantial radial loads, making it a robust solution for demanding operational environments. The combination of a C3 radial internal clearance and ABEC 1 precision ensures stable performance under varying thermal conditions.
Model Code In-Depth Explanation
The model number 6205-Z/HC5C3 provides detailed technical specifications through its suffixes:
- 6205: Standard designation for a single row deep groove ball bearing with a 25mm bore, 52mm OD, and 15mm width.
- Z: Indicates a shielded (non-contact) seal on one side, protecting the bearing interior from large contaminants while minimizing friction.
- HC5: Denotes the use of Hybrid Ceramic balls, specifically Silicon Nitride (Si3N4), offering superior speed capability and longer service life.
- C3: Specifies a greater than normal radial internal clearance, suitable for applications with significant thermal expansion or where interference fits are used.
6205-Z/HC5C3 Bearing Structural Features & Performance Benefits
- Hybrid Ceramic Construction: The Silicon Nitride balls provide exceptional hardness, electrical insulation, and corrosion resistance. This results in lower operating temperatures, reduced lubrication requirements, and a dramatic increase in limiting speed compared to all-steel equivalents.
- Shielded Protection: The Z-shield effectively excludes large particulate contaminants, enhancing bearing life in moderately dirty environments without the torque increase associated with contact seals.
- Optimized Internal Clearance: The C3 clearance accommodates thermal expansion in high-speed applications or where shaft and housing fits create a tight assembly, preventing premature failure due to excessive preload.
- High Load Capacity: The deep groove raceway and robust chrome steel rings and cage are designed to support high radial dynamic and static load ratings, ensuring durability and operational stability.
6205-Z/HC5C3 Bearing Typical Application Areas
This bearing is ideally suited for high-speed and precision applications, including:
- Electric Motors & Spindles: Especially in high-frequency motors and machine tool spindles where speed and temperature stability are critical.
- Precision Machinery: Used in pumps, compressors, and gearboxes that benefit from the long life and reliability of hybrid ceramic bearings.
- Robotics & Automation: Provides the necessary speed, stiffness, and minimal lubrication requirements for robotic joints and servo drives.
- Aerospace & Medical Equipment: Chosen for its non-magnetic properties, corrosion resistance, and ability to operate in demanding conditions.
