Bearings
Angular Contact Bearings
Angular Contact Bearings
Quick Code: BB-499194
3306 A-2ZTN9/MT33 SKF Angular Contact Ball Bearing 30mm x 72mm x 30.2mm
3306 A-2ZTN9/MT33 SKF Double Row Angular Contact Ball Bearing
This premium double row angular contact ball bearing from SKF is engineered to handle combined radial and axial loads acting in both directions simultaneously, making it ideal for precision applications requiring exceptional stiffness and load capacity. The dual cover design provides robust protection against contamination while maintaining smooth operation in demanding environments.
Key Specifications:
- Bore Diameter: 30mm
- Outer Diameter: 72mm
- Width: 30.2mm
- Row Type: Double Row
- Contact Angle: 30°
- Seal Type: Cover on both sides (2ZTN9)
- Cage Material: Polyamide
- Clearance: Normal radial clearance
- Tolerance Class: P6 / ABEC 3
- Material: Standard bearing steel
- Operating Temperature Range: -30°C to +110°C
- Manufacturer: SKF
- Arrangement: Standard version
Design Features:
Double row angular contact bearings feature raceways in the inner and outer rings that are displaced with respect to each other in the direction of the bearing axis. This innovative design provides distinct advantages:
- 30° contact angle optimised for balanced load distribution
- Accommodates radial and axial loads acting in both directions
- Provides exceptionally stiff bearing arrangements
- Handles tilting moments effectively
- Dual cover protection eliminates need for frequent lubrication maintenance
- Polyamide cage ensures smooth, reliable operation
- Compact design ideal for space-constrained applications
Ideal Applications:
- Precision spindles and machine tool applications
- Electric motors and rotating equipment
- Automotive and transmission systems
- Pump and compressor assemblies
- Gearboxes and heavy-duty industrial equipment
- Applications requiring bidirectional load support and temperature stability
The dual cover design protects internal components from dust and dirt ingress while maintaining optimal performance across a wide temperature range (-30°C to +110°C), making this bearing an excellent choice for applications demanding reliability, precision, and consistent performance in varying environmental conditions.
