KOYO 6306 2RS NR Ball Bearing 30x72x19 mm

Construction and design

KOYO 6306 2RS NR is a single row deep groove ball bearing designed for industrial applications requiring both sealing and secure axial positioning. Its internal geometry ensures efficient support of radial loads and moderate axial loads in both directions.

The 2RS version is equipped with double rubber seals that protect the bearing from dust, moisture and contaminants while retaining lubrication. The NR design includes a snap ring groove and retaining ring, enabling quick and precise axial positioning within the housing.

Manufactured from high quality bearing steel with precision ground raceways, KOYO 6306 2RS NR delivers stable, quiet and reliable performance.

Industrial applications

KOYO 6306 2RS NR deep groove ball bearing is widely used in electric motors, gear units, conveyors, industrial fans and machinery requiring fixed axial positioning in housings.

The bearing size 30x72x19 mm combined with the snap ring design makes it ideal for applications where fast installation and secure mounting are essential.

Technical specifications

Type: deep groove ball bearing
Manufacturer: KOYO
Model: 6306 2RS NR
Inner diameter: 30 mm
Outer diameter: 72 mm
Width: 19 mm
Sealing: 2RS double rubber seals
Internal clearance: standard
Additional feature: snap ring NR
Design: single row
Material: high quality bearing steel
Lubrication: pre lubricated

Operational advantages

KOYO 6306 2RS NR offers reliable sealing, simplified installation and stable performance. The snap ring allows precise axial positioning and reduces assembly time, while the sealed design protects the bearing from contamination.

The standardized 30x72x19 bearing dimensions ensure compatibility with a wide range of industrial systems.

Dimensional compatibility

The KOYO 6306 2RS NR bearing 30x72x19 mm complies with standard dimensions of the 6306 series and can replace equivalent bearings from manufacturers such as SKF, FAG, NSK or NTN.

Search phrases such as bearing 30x72x19, 6306 2RS NR bearing or deep groove ball bearing KOYO 6306 reinforce its visibility within the KOYO deep groove ball bearing category.

Main description

KOYO 6306 2RS NR is a deep groove ball bearing designed to support radial loads and moderate axial loads in industrial applications requiring sealing and secure axial positioning.

The KOYO 6306 2RS NR 30x72x19 mm bearing ensures reliable operation, easy installation and long service life across a wide range of industrial applications.

FAQ

What is the purpose of the NR snap ring
It allows quick and secure axial positioning of the bearing in the housing.

Where is KOYO 6306 2RS NR used
It is used in motors, conveyors and industrial machinery.

Is this bearing suitable for contaminated environments
Yes, the 2RS seals protect against dust and moisture.

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

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