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SKF 6004-2RSH Sealed Deep Groove Ball Bearing
The SKF 6004-2RSH is a sealed single row deep groove ball bearing designed for smooth rotation and efficient support of rotating shafts. It accommodates radial loads and axial loads in both directions while providing additional protection through integrated rubber contact seals.
Its compact dimensions and factory grease lubrication make it a practical choice for equipment requiring the standard 6004 bearing size with normal internal clearance.
Design and Construction
The SKF 6004-2RSH 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 strength and effective load support under suitable operating conditions. With dimensions of 20x42x12mm, it offers a slim bearing arrangement for equipment where installation space is limited.
2RSH Contact Seals and 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 lubricated and sealed for low maintenance operation. It is not designed for routine relubrication.
It has normal radial internal clearance for applications where standard clearance is specified. Contact seals provide additional protection but introduce more friction than an open bearing.
Applications
The SKF 6004-2RSH can be considered for equipment where its dimensions, sealed construction and operating characteristics meet the machinery requirements.
Electric motors
Compact industrial pumps
Fans and ventilation equipment
Conveyor rollers and drive assemblies
Agricultural equipment
General industrial rotating machinery
Benefits
The SKF 6004-2RSH offers several practical advantages.
Double Contact Seals: Help retain lubricant and protect the rolling elements against contamination.
Low Maintenance: Factory grease lubrication and integrated seals reduce routine lubrication requirements.
Combined Load Support: Accommodates radial loads and axial loads in both directions.
Slim Construction: Provides effective shaft support where a 20mm bore and relatively small outside diameter are required.
Smooth Rotation: Its deep groove raceways support efficient rolling motion under suitable operating conditions.
Normal Internal Clearance: Provides the standard clearance arrangement for machinery where normal clearance is specified.
Bearing Selection
Before purchasing, confirm that the 20x42x12mm dimensions and normal radial internal clearance match your equipment requirements.
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 increased radial internal clearance is required, the SKF 6004-2RSH/C3 may be more suitable. For machinery requiring direct grease or oil lubrication, consider an appropriate open SKF 6004 variant.
