3306 ZZ KG 30x72x30.2 Angular Contact Ball Bearing

Double Row 3306 ZZ KG Angular Contact Ball Bearing for Combined Load Applications

The 3306 ZZ KG 30x72x30.2 angular contact ball bearing is designed for applications requiring simultaneous support of high radial and axial loads together with excellent rigidity and stable high speed operation. Its double row construction enables efficient load distribution in both axial directions without the need for additional thrust bearings.

The 3306 series belongs to the family of double row angular contact ball bearings widely used in industrial gearboxes, electric motors, pumps, drive assemblies and machinery operating under demanding load conditions. KG bearings are recognized for durability, precision manufacturing quality and reliable performance in industrial environments.

Bearing Construction and Design

The 3306 ZZ KG bearing features a double row angular contact ball bearing structure with optimized contact angles for handling combined radial and axial loads.

Main construction features:

• inner diameter: 30 mm
• outer diameter: 72 mm
• width: 30.2 mm
• double row construction
• angular contact ball bearing design
• metal shields ZZ
• supports radial and axial loads
• high rigidity performance
• steel cage

The ZZ metal shields help protect the bearing interior against contamination while retaining lubricant during operation.

Technical Parameters and Performance

The 3306 ZZ KG angular contact ball bearing is manufactured from high quality bearing steel providing resistance to intensive mechanical loads and stable operation at elevated rotational speeds.

Technical snippet section:
The 3306 ZZ KG angular contact ball bearing with dimensions 30x72x30.2 mm is designed for systems requiring combined radial and axial load support together with high rigidity performance.

Technical specification:

• bearing type: angular contact ball bearing
• series: 3306
• manufacturer: KG
• double row construction
• ZZ metal shields
• material: bearing steel
• steel cage
• ready for installation

Long tail dimensional keywords:

• 3306 ZZ KG 30x72x30.2 bearing
• angular contact ball bearing 30x72x30.2
• double row angular contact bearing 3306
• ZZ angular contact bearing KG
• industrial angular contact ball bearing
• bearing for gearboxes and pumps

Industrial Applications

The 3306 ZZ KG angular contact ball bearing is widely used in systems requiring stable operation under combined radial and axial loads.

Typical applications include:

• industrial gearboxes
• electric motors
• pumps
• production machinery
• drive assemblies
• transport equipment
• machine tools
• compressors
• industrial fans
• automation systems

The double row design increases system rigidity and improves operational stability during intensive industrial service.

Operational Advantages

The 3306 ZZ KG angular contact ball bearing delivers excellent operational durability together with stable performance in demanding industrial applications.

Key operational advantages:

• supports axial loads in both directions
• high radial load capacity
• increased rigidity performance
• reliable protection with ZZ shields
• stable high speed operation
• durable steel construction

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FAQ

What are the dimensions of the 3306 ZZ KG bearing?

The bearing dimensions are 30x72x30.2 mm.

What loads can the 3306 angular contact bearing support?

The bearing supports both radial and axial loads in both directions.

What does the ZZ designation mean?

ZZ indicates metal shields installed on both sides of the bearing.

Is the bearing suitable for high speed operation?

Yes, the construction provides stable operation at elevated rotational speeds.

Where are 3306 series angular contact bearings commonly used?

They are widely used in gearboxes, pumps, electric motors and industrial machinery.