6205-ZNR/C3 Q66
6200 Series Snap Ring Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
6205-ZNR/C3 Q66
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
Outer Ring Dimensions
Outer ring locating feature
Snap Ring (fitted)
Outside diameter of snap ring
57.9 mm
Width of snap ring
1.12 mm
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
Chrome Steel
Cage material
Chrome Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 7.48
/ each
In Stock
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6205-ZNR/C3 Q66 Bearing Product Overview & Core Advantages
The 6205-ZNR/C3 Q66 is a single row deep groove ball bearing engineered for high reliability in demanding applications. Its key advantage lies in its integrated snap ring (ZNR designation), which provides secure axial location within the housing, simplifying assembly and reducing overall design space. Manufactured to ABEC 1 | ISO P0 tolerance standards with a C3 radial internal clearance, this bearing is optimized for stable operation under moderate speeds and varying thermal conditions. The shielded design offers effective contamination protection for the chrome steel components, ensuring long service life and consistent radial load capacity.
Model Code Breakdown
| Suffix Code | Technical Meaning | Advantage |
|---|---|---|
| ZNR | Snap Ring Groove on Outer Ring with Snap Ring Fitted | Enables secure axial positioning; eliminates need for complex housing shoulders, reducing assembly time and cost. |
| C3 | Greater than Normal Radial Internal Clearance | Accommodates thermal expansion in applications with elevated operating temperatures or heavy interference fits. |
| Q66 | Vendor-specific internal designation (typically related to material grade or special process control) | Indicates consistent quality and performance as per manufacturer's specifications. |
6205-ZNR/C3 Q66 Bearing Structural Features & Performance Benefits
- Snap Ring Integration: The outer ring features a machined groove and a pre-fitted snap ring. This design provides a positive axial lock, enhancing bearing stability and resistance to creep in the housing, which is critical for maintaining alignment and load capacity.
- Optimized Internal Geometry: The deep groove raceway and high-precision chrome steel balls are designed to handle significant radial dynamic loads (up to 3147 lbf) and moderate axial loads in both directions.
- Shielded Protection: A steel shield on one side protects the internal components from large particulate contaminants, preserving lubricant integrity and extending bearing life without the added friction of contact seals.
- Enhanced Thermal Stability: The C3 clearance provides extra internal space, preventing preload and binding that can occur from shaft or housing expansion under operational heat, contributing to reliable performance across the specified temperature range.
6205-ZNR/C3 Q66 Bearing Typical Application Areas
This bearing is ideally suited for applications requiring compact design and secure axial location. Common uses include:
- Electric Motors and Gearboxes
- Industrial Fans and Blowers
- Conveyor Systems and Material Handling Equipment
- Agricultural Machinery
- Automotive Components (e.g., alternators, idler pulleys)
