Deep groove ball bearing 6204 2RS NR NSK 20x47x14

Industrial applications

Deep groove ball bearing 6204 2RS NR NSK 20x47x14 is designed for reliable operation in systems requiring both sealing protection and axial positioning. The combination of rubber seals and snap ring groove makes it suitable for demanding industrial environments.

Typical applications include:

• electric motors
• gearboxes and transmissions
• fans and ventilation systems
• pumps and compressors
• conveyor systems
• machinery requiring axial location in housing

Within the deep groove ball bearings category, this configuration is widely used where contamination protection and secure mounting are essential.

Design and construction

The NSK 6204 2RS NR bearing is a single row deep groove ball bearing equipped with rubber seals on both sides and a snap ring groove with retaining ring for axial positioning.

Key design features:

• inner diameter 20 mm
• outer diameter 47 mm
• width 14 mm
• 2RS sealing on both sides
• NR version with snap ring groove and retaining ring
• high precision NSK manufacturing

The integrated sealing protects against dust and moisture, while the snap ring enables fast and secure installation.

Technical parameters

• Type: deep groove ball bearing
• Designation: 6204 2RS NR
• Brand: NSK
• Dimensions: 20x47x14 mm
• Sealing: 2RS rubber seals
• Design: NR with snap ring

Technical note:
The 2RS seals retain grease inside the bearing and prevent contamination, while the NR groove allows axial fixing in the housing.

Operational advantages

This bearing offers:

• protection against dust and moisture
• maintenance friendly sealed design
• easy axial positioning using snap ring
• long service life
• stable performance in industrial conditions

Compared with open bearings, the sealed 2RS version provides extended durability and reduced maintenance requirements.

Main description

Deep groove ball bearing NSK 6204 2RS NR 20x47x14 is a versatile and reliable solution designed for industrial applications where both sealing and axial positioning are required.

In the deep groove ball bearings category, this model combines two important features: double sided rubber seals and a snap ring groove. The 2RS sealing protects the bearing from contamination and helps retain lubrication, making it suitable for environments with dust, moisture or limited maintenance access.

The NR design includes a snap ring and groove, allowing quick and precise axial fixing in the housing without additional components. This simplifies installation and reduces assembly time in production and maintenance processes.

With dimensions of 20x47x14 mm, the 6204 size is widely used in motors, conveyors, pumps and industrial machinery. NSK bearings are known for precision, durability and consistent quality, making them a trusted choice for B2B customers.

This model is especially suitable for maintenance teams, workshops and production facilities that require reliable components available from stock and ready for immediate installation.

FAQ

What does 2RS mean?

It means the bearing has rubber seals on both sides for protection against contamination.

What does NR indicate?

NR means the bearing has a snap ring groove and retaining ring for axial positioning.

Where is this bearing commonly used?

In motors, gearboxes, pumps, conveyors and industrial equipment.

Does this bearing require lubrication?

No, it is pre lubricated and sealed for maintenance free operation under normal conditions.