305SZZST
200, 300 & 6400 Series Industrial Single Row Deep Groove Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
305SZZST
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.24 kg
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
62 mm
Outside diameter tolerance
-0.013mm to 0
Width
17 mm
Width tolerance
-0.12mm to 0
Performance
Temperature range
-30°to 120 °C
Radial dynamic load rating
5148 lbf
Radial static load rating
3507 lbf
Limiting speed
13 X 1000 rpm
Lubrication
None
Radial internal clearance
CN
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:
$ 37.88
/ each
In Stock
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305SZZST Bearing Product Overview & Core Advantages
The 305SZZST is a single row deep groove ball bearing designed for high-performance applications requiring reliable radial load capacity and smooth operation. Engineered with precision tolerances (ABEC 1 | ISO P0) and constructed entirely from hardened chrome steel, it offers exceptional durability and consistent performance. A key feature is its shielded design on both sides (ZZ suffix), which provides effective protection against contaminant ingress while retaining lubrication, making it a robust and long-lasting component for industrial machinery.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 305 | Standard bearing series designation, indicating a metric bore diameter of 25 mm. |
| ZZ | Bearing is equipped with steel shields on both sides. This provides superior protection from dust and debris without significant friction increase. |
| S | Indicates a standard radial internal clearance of CN. |
| T | Signifies the cage is made from phenolic resin, offering quiet operation and suitability for higher speeds. |
305SZZST Bearing Structural Features & Performance Benefits
- Optimized Load Capacity: The deep groove raceway and robust chrome steel construction enable it to handle significant radial dynamic loads up to 5148 lbf and radial static loads up to 3507 lbf.
- High-Speed Capability: The lightweight phenolic resin cage (T) reduces centrifugal forces, contributing to a high limiting speed of 13,000 rpm.
- Contamination Resistance: The double-shielded (ZZ) design effectively seals the bearing interior, protecting it from contaminants and extending service life in harsh environments.
- Precision & Reliability: Manufactured to ABEC 1 precision standards with tight dimensional tolerances, ensuring smooth, low-vibration, and reliable operation.
305SZZST Bearing Typical Application Areas
This bearing is ideally suited for a wide range of industrial applications, including:
- Electric Motors and Small Gearboxes
- Industrial Fans and Blowers
- Conveyor Systems and Material Handling Equipment
- Agricultural Machinery
- Appliance Drives (e.g., washing machines, power tools)
