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SKF 6212 Open Deep Groove Ball Bearing
The SKF 6212 is an open single row deep groove ball bearing designed for smooth rotation and effective support of rotating shafts in industrial machinery. Its deep raceway construction accommodates radial loads and axial loads in both directions while maintaining low friction. It is suitable for assemblies requiring the standard 6212 dimensions and normal radial internal clearance.
Design and Construction
The SKF 6212 features a single row of steel balls running between deep raceway grooves. A sheet metal cage separates and guides the rolling elements during rotation.
Its bearing steel construction provides strength and effective load support under suitable operating conditions. With dimensions of 60x110x22mm, it offers a smaller outside diameter and narrower profile than the 6312 series while retaining the same 60mm bore.
Open Design and Internal Clearance
The bearing features an open design without seals or shields. This allows grease or oil to reach the rolling elements directly and makes it suitable for machinery with a dedicated lubrication system.
It has normal radial internal clearance for applications where standard clearance is specified. Suitable external sealing may be required to protect against contamination and lubricant loss.
Applications
The SKF 6212 can be considered for rotating machinery where its dimensions and operating characteristics meet the equipment requirements.
Industrial electric motors
Pumps and fluid handling equipment
Industrial fans and blowers
Conveyor drive assemblies
Gearboxes and mechanical transmissions
General industrial rotating machinery
Benefits
The SKF 6212 offers several practical advantages.
Low Friction: Supports efficient shaft rotation while helping reduce mechanical energy losses.
Combined Load Support: Accommodates radial loads and axial loads in both directions.
Compact Bearing Profile: Offers a smaller outside diameter than the 6312 series for assemblies designed around the 6212 dimensions.
High Speed Capability: Its deep groove construction supports relatively high rotational speeds with appropriate lubrication.
Flexible Lubrication: Open construction allows direct grease or oil lubrication.
Normal Internal Clearance: Provides the standard clearance arrangement for machinery where normal clearance is specified.
Bearing Selection
Before purchasing, confirm that the 60x110x22mm dimensions and normal radial internal clearance match your equipment requirements.
Check operating loads and speeds alongside shaft and housing fits. Lubrication and exposure to contamination should also be considered.
If increased internal clearance is required, the SKF 6212/C3 may be more suitable. For applications requiring integrated sealing, check the corresponding sealed or shielded SKF 6212 variants.
