NSK 6306 ZZ Ball Bearing 30x72x19 mm

Construction and design

NSK 6306 ZZ is a single row deep groove ball bearing designed for industrial applications requiring protection with low friction performance. Its internal geometry ensures efficient handling of radial loads and moderate axial loads in both directions.

The ZZ version features metal shields on both sides, providing protection against contamination while allowing higher rotational speeds compared to sealed bearings. This design ensures optimal balance between protection and performance.

Manufactured from high quality bearing steel with precision ground raceways, NSK 6306 ZZ delivers stable, quiet and reliable operation.

Industrial applications

NSK 6306 ZZ deep groove ball bearing is widely used in electric motors, gearboxes, fans, conveyors and industrial machinery where moderate protection and high speed capability are required.

The bearing size 30x72x19 mm is suitable for medium duty industrial systems operating under continuous load.

Technical specifications

Type: deep groove ball bearing
Manufacturer: NSK
Model: 6306 ZZ
Inner diameter: 30 mm
Outer diameter: 72 mm
Width: 19 mm
Sealing: ZZ metal shields both sides
Internal clearance: standard
Design: single row
Material: high quality bearing steel
Lubrication: pre lubricated

Operational advantages

NSK 6306 ZZ offers low friction, stable performance and extended service life. The metal shields reduce contamination while maintaining higher speed capability compared to rubber sealed versions.

The standardized 30x72x19 bearing dimensions ensure easy installation and compatibility with a wide range of industrial equipment.

Dimensional compatibility

The NSK 6306 ZZ bearing 30x72x19 mm complies with standard dimensions of the 6306 series and can replace equivalent bearings from manufacturers such as SKF, FAG, NTN or Timken.

Search phrases such as bearing 30x72x19, 6306 ZZ bearing or deep groove ball bearing 6306 strengthen its position within the NSK deep groove ball bearing category.

Main description

NSK 6306 ZZ is a deep groove ball bearing designed to support radial loads and moderate axial loads in industrial applications requiring low friction and basic protection against contaminants.

The NSK 6306 ZZ 30x72x19 mm bearing ensures reliable performance, efficient operation and long service life across a wide range of industrial systems.

FAQ

Where is NSK 6306 ZZ bearing used
It is used in motors, gearboxes, fans and industrial machinery.

Is this bearing suitable for high speed applications
Yes, metal shields allow higher speeds than sealed versions.

What loads can this bearing support
It supports radial loads and moderate axial loads.

Does this bearing require lubrication
No, it is pre lubricated.

Can it replace other 6306 bearings
Yes, if dimensions and operating conditions match.