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SKF 6205-2RSH/C3 Sealed Deep Groove Ball Bearing
The SKF 6205-2RSH/C3 is a sealed single row deep groove ball bearing designed for smooth rotation and effective shaft support in industrial machinery. It accommodates radial loads and axial loads in both directions while combining protective rubber contact seals with increased C3 internal clearance.
Design and Construction
The SKF 6205-2RSH/C3 features a single row of steel balls running between deep raceway grooves. A sheet metal cage separates and guides the rolling elements during operation.
Its bearing steel construction provides effective load support under suitable operating conditions. With dimensions of 25x52x15mm, it offers a smaller outside diameter and narrower profile than the 6305 series while retaining the same 25mm bore.
2RSH Contact Seals and C3 Internal Clearance
The 2RSH designation indicates rubber contact seals on both sides of the bearing. These help retain factory applied grease while restricting the entry of dust, moisture and other contaminants.
The bearing is supplied grease lubricated and sealed for low maintenance operation. Routine relubrication is not normally required.
Its C3 radial internal clearance is greater than normal clearance. This helps compensate for reductions in operating clearance caused by interference fits and temperature differences between the bearing rings. Contact seals provide additional protection but introduce more friction than an open bearing.
Applications
The SKF 6205-2RSH/C3 can be considered for equipment where its dimensions, sealing arrangement and increased clearance meet the operating requirements.
Industrial electric motors
Pumps and fluid handling equipment
Industrial fans and blowers
Conveyor rollers and drive assemblies
Agricultural machinery
General industrial rotating equipment
Benefits
The SKF 6205-2RSH/C3 offers several practical advantages.
Double Contact Seals: Help retain grease and protect the rolling elements against contamination.
C3 Internal Clearance: Helps accommodate reductions in operating clearance caused by interference fits and temperature differences.
Low Maintenance: Factory grease lubrication and integrated seals reduce routine lubrication requirements.
Combined Load Support: Accommodates radial loads and axial loads in both directions.
Compact Construction: Provides shaft support where a 25mm bore, 52mm outside diameter and 15mm width are required.
Smooth Rotation: Deep groove raceways support efficient rolling motion under suitable operating conditions.
Bearing Selection
Before purchasing, confirm that the 25x52x15mm dimensions and C3 radial internal clearance match your equipment specifications.
Check operating loads and speeds alongside shaft and housing fits. Temperature, moisture exposure and contamination levels should also be considered when selecting the bearing.
If normal radial internal clearance is required, the SKF 6205-2RSH may be more suitable. For machinery requiring direct grease or oil lubrication, consider an appropriate open SKF 6205 variant.
