3305 A-2Z
Double Row Angular Contact Ball Bearings
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Part No.
Part No.
3305 A-2Z
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Double Row
Weight
0.35 kg
Tolerance class
P6 (ABEC-3)
Seal type
Shielded
For load direction
Angular Contact
Main Dimensions
Bore diameter
25 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
62 mm
Outside diameter tolerance
-0.011mm to 0
Width
25.4 mm
Width tolerance
-0.05mm to 0
Chamfer dimension
1.1 mm
Distance from side face to load point
36 mm
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
7312 lbf
Radial static load rating
4950 lbf
Limiting speed
11 X 1000 rpm
Lubrication
Lubricated
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Stainless Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 18.75
/ each
In Stock
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3305 A-2Z Bearing Product Overview & Core Advantages
The 3305 A-2Z is a double row angular contact ball bearing designed for applications requiring high rigidity and precise operation. This precision bearing excels at simultaneously handling combined loads—significant radial loads and bidirectional axial loads—thanks to its optimized contact angle and double row design. Its compact bearing dimensions (25 mm bore, 62 mm OD, 25.4 mm width) make it ideal for space-constrained, high-reliability applications. Pre-lubricated and shielded, it offers long service life with minimal maintenance.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 3305 | Basic bearing designation indicating the double row angular contact series and size. |
| A | Contact angle optimized for high axial load capacity. |
| 2Z | Bearing features shields on both sides, providing effective protection against contaminants while allowing for high-speed operation. |
3305 A-2Z Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The double row design provides superior rigidity and enables the bearing to handle heavy combined loads (7312 lbf dynamic, 4950 lbf static). The optimized contact angle ensures excellent bidirectional axial load support.
- High-Speed Capability: The stainless steel cage ensures stability and reduced friction at high rotational speeds, supporting a limiting speed of 11,000 rpm.
- Precision & Longevity: Manufactured to P6 (ABEC-3) tolerance class for precise running accuracy. The combination of chrome steel rings and balls provides high wear resistance and durability.
- Maintenance-Free Operation: The 2Z shields retain the factory-applied lubricant and protect the bearing from dust and debris, enabling long-term, reliable performance without re-lubrication.
3305 A-2Z Bearing Typical Application Areas
This bearing is ideally suited for:
- Machine Tool Spindles requiring high precision and rigidity
- Industrial Pumps and Compressors
- Precision Gearboxes and transmission systems
- Medical and Laboratory Equipment
- High-Performance Electric Motors
