25×52×15mm 6205RS Sealed Ball Bearing
A Proven Bearing Choice for Equipment That Runs Every Day
In industrial environments, reliability is often measured by what doesn't happen.
Production lines stay operational. Motors continue running. Pumps maintain flow. Maintenance schedules remain predictable.
Behind that consistency are components that rarely attract attention until they fail. Bearings are a perfect example.
The 6205RS sealed ball bearing has earned its place as one of the most widely used bearing sizes because it offers a practical balance of durability, sealing protection, and installation flexibility. Designed for rotating equipment that operates under everyday industrial conditions, it helps support stable performance while reducing exposure to dust, debris, and moisture.
Why Maintenance Teams Continue to Specify the 6205RS
When a bearing is used across thousands of different machines worldwide, there is usually a reason.
The 6205RS has become a preferred option because it fits a broad range of applications without requiring specialized installation or maintenance procedures.
| Operational Requirement | Benefit |
|---|---|
| Routine industrial use | Proven design architecture |
| Dust-prone environments | Rubber seal protection |
| Long operating cycles | Lubrication retention |
| Equipment servicing | Easy replacement availability |
| Inventory management | Standardized dimensions |
| OEM production | Global interchangeability |
For maintenance managers, this combination often simplifies both sourcing and equipment support.
Technical Specifications
| Item | Specification |
|---|---|
| Product Model | 6205RS |
| Bearing Type | Deep Groove Ball Bearing |
| Bore Diameter (d) | 25 mm |
| Outer Diameter (D) | 52 mm |
| Width (B) | 15 mm |
| Seal Configuration | Single Rubber Seal (RS) |
| Material | High Carbon Chrome Steel |
| Cage Type | Pressed Steel Cage |
| Precision Grade | P0 / P6 / P5 |
| Internal Clearance | C0 / C3 |
| Lubrication | Factory Greased |
| Operating Temperature | -20°C to +120°C |
Where Downtime Costs More Than the Bearing
For many facilities, bearing cost represents only a small fraction of the overall maintenance budget.
Unexpected downtime, emergency repairs, and production interruptions often have a much greater impact.
The 6205RS is commonly selected for equipment where reliability is more valuable than pushing performance limits.
Typical Examples
Electric motors
Industrial pumps
Agricultural machinery
Air compressors
Conveyor systems
Ventilation equipment
Gear-driven machinery
Material handling equipment
In these applications, stable operation and predictable service intervals are often more important than extreme speed capability.
How Sealing Affects Real-World Performance
The RS design incorporates a rubber seal that helps create a barrier between internal bearing components and the surrounding environment.
| Environmental Challenge | Sealed Bearing Advantage |
|---|---|
| Dust accumulation | Reduced contamination |
| Moisture exposure | Improved protection |
| Grease leakage | Better lubricant retention |
| Routine maintenance | Extended service intervals |
| Variable operating conditions | More stable performance |
For equipment operating in workshops, warehouses, farms, or manufacturing facilities, these benefits can contribute to longer bearing life.
FAQ
What is the difference between 6205RS and 6205-2RS?
The 6205RS features a rubber seal on one side, while the 6205-2RS includes seals on both sides. The appropriate choice depends on the operating environment and maintenance requirements.
Is the 6205RS supplied pre-lubricated?
Yes. Standard bearings are factory greased and ready for installation.
Can this bearing be used in electric motors?
Yes. The 6205RS is widely used in electric motors, pumps, fans, and general industrial equipment.
Is C3 clearance available?
Yes. Both standard clearance and C3 clearance options can be supplied according to application requirements.
Can OEM packaging be customized?
Yes. We provide private-label packaging, custom labeling, and laser marking services.
Is the bearing interchangeable with other major brands?
In most cases, yes. The 6205RS follows internationally recognized dimensions and can typically replace equivalent models, subject to application verification.
Are samples available before bulk purchasing?
Yes. Sample quantities are available for testing, qualification, and supplier approval processes.
Reliable Bearings Support Reliable Equipment
Choosing a bearing is not only about matching dimensions. It is about maintaining uptime, reducing maintenance uncertainty, and ensuring long-term equipment performance.
If you are sourcing 6205RS bearings for OEM production, MRO inventory, or distribution programs, our team can help provide the right configuration, packaging solution, and supply plan to support your business.
Products Description



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