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SKF 6312 Open Deep Groove Ball Bearing
The SKF 6312 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 6312 dimensions and normal radial internal clearance.
Design and Construction
The SKF 6312 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 60x130x31mm, it offers a larger cross section than the 6212 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 an appropriate lubrication system.
It has normal radial internal clearance for applications where standard clearance is specified. Suitable external sealing may be required to protect the bearing against contamination and lubricant loss.
Applications
The SKF 6312 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 6312 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.
Robust Construction: Its deep raceway design and substantial cross section provide effective load support under suitable operating conditions.
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 60x130x31mm dimensions and normal radial internal clearance match your equipment requirements.
Check operating loads and speeds alongside shaft and housing fits. Lubrication and contamination exposure should also be considered.
If increased internal clearance is required, the SKF 6312/C3 may be more suitable. For machinery requiring integrated sealing, check the corresponding sealed or shielded SKF 6312 variants.
