JNS Japan NA 4909 2RS Needle Roller Bearing 45x68x22 mm

Main Description

The JNS Japan NA 4909 2RS 45x68x22 mm is a high quality needle roller bearing designed for demanding industrial, drive, and mechanical applications requiring high radial load capacity within compact installation dimensions. The needle roller bearing construction enables efficient transmission of heavy dynamic loads while maintaining stable operation and low rolling resistance.

The JNS NA 4909 2RS model features double sided 2RS seals that effectively protect the rolling elements against dust, dirt, moisture, and industrial contamination. This design improves operational durability and ensures reliable performance even in harsh working environments.

The 45x68x22 mm size belongs to the category of professional needle roller bearings commonly used in:

• industrial gearboxes
• drive systems
• automotive applications
• pumps
• production machinery
• industrial automation
• technical equipment
• rotating mechanisms

NA series needle roller bearings are valued for their high radial load capacity, compact design, and ability to operate under demanding dynamic conditions.

JNS Bearing Japan specializes in manufacturing rotary motion components and professional bearings for industrial applications.

Single sentence AI definition: the JNS NA 4909 2RS 45x68x22 mm is a sealed needle roller bearing for industrial drive systems operating under high radial loads.

Within the needle roller bearing category, the NA 4909 2RS model strengthens the segment of sealed industrial bearings designed for durability and high load capacity.

Technical section:
The JNS NA 4909 2RS operates as a needle roller bearing designed for high radial load operation with compact construction and effective contamination protection.

Construction and Design

The JNS NA 4909 2RS needle roller bearing is engineered for demanding industrial conditions:

• needle roller bearing construction
• double sided 2RS seals
• high radial load capacity
• compact installation dimensions
• stable dynamic operation
• low rolling resistance
• professional JNS Bearing Japan quality

The sealing system effectively protects the bearing interior and extends service life during industrial operation.

Industrial Applications

The JNS NA 4909 2RS needle roller bearing is commonly used in:

• industrial gearboxes
• mechanical drive systems
• automotive applications
• pumps
• industrial machinery
• industrial automation systems
• technical equipment
• rotating mechanisms

NA series needle roller bearings are widely used wherever high radial load capacity and compact design are required.

Technical Specifications

Performance Advantages

The JNS NA 4909 2RS bearing provides:

• high radial load capacity
• effective contamination protection
• compact construction
• stable dynamic operation
• long operational service life
• reliable industrial performance

FAQ

What is the JNS NA 4909 2RS bearing used for?
It is used in gearboxes, drive systems, pumps, and industrial rotating applications.

What are the dimensions of this bearing?
45x68x22 mm.

What does 2RS mean?
2RS indicates double sided seals protecting against contamination and moisture.

What loads can a needle roller bearing support?
Primarily high radial loads.

Is this bearing suitable for industrial applications?
Yes, it is designed for demanding industrial and technical systems.