Product Overview: The IR 12*15*12.5 Inner Ring
The IR 12*15*12.5 is a high-precision, hardened, and ground inner ring designed for use with Needle Roller Bearings. With a bore diameter of 12mm, an outer diameter of 15mm, and a width of 12.5mm, this component provides an optimal raceway surface for needle rollers in applications where the shaft itself cannot be hardened and ground to the required specifications. It is an essential part of our Inner Rings collection, offering a cost-effective and reliable solution for creating a durable bearing arrangement.
As a key supplier of industrial mechanical parts, we ensure our inner rings are manufactured to strict tolerances. The IR 12*15*12.5 allows for the use of standard needle roller bearings on commercial-grade shafts, simplifying design and reducing manufacturing costs associated with shaft preparation. This makes it an indispensable component in compact and high-load capacity applications across various industries.
Key Features of the IR 12*15*12.5
- Precision Ground Raceway: Offers a smooth, hardened surface (raceway) for needle rollers to run on, reducing friction and extending bearing life.
- High-Quality Bearing Steel: Manufactured from hardened, through-hardened bearing steel for maximum durability and wear resistance.
- Standardized Dimensions: Conforms to industry standards, ensuring interchangeability and proper fit with corresponding needle roller bearings.
- Cost-Effective Solution: Eliminates the need for expensive shaft hardening and grinding processes.
- Enhanced Load Distribution: Provides a uniform surface that ensures proper load distribution across the needle rollers.
- Easy Installation: Features lead-in chamfers on the sides to facilitate easy mounting onto shafts and into bearings.
Common Applications
- Automotive Systems: Used in transmissions, universal joints, and engine components like piston pins.
- Industrial Gearboxes: Provides a reliable shaft raceway in compact and heavy-duty gear systems.
- Power Tools: Essential for supporting shafts in drills, saws, and grinders where space is limited.
- Agricultural Machinery: Employed in linkages, pivot points, and gear mechanisms that require robust bearing support.
- Two-Stroke Engines: Commonly used for connecting rod and piston pin bearings.
- Material Handling Equipment: Supports rollers and shafts in conveyor systems and lifting equipment.
- Hydraulic Pumps and Motors: Provides durable support for rotating components in high-pressure environments.
Benefits of Using the IR 12*15*12.5
- Extended Bearing Service Life: Creates an ideal raceway, preventing premature wear of both the bearing and the shaft.
- Reduced Maintenance Costs: By protecting the shaft from wear, it avoids costly shaft repairs or replacements.
- Simplified Design: Allows designers to use softer, unhardened shaft materials, simplifying the overall machine design and assembly.
- Improved Operational Efficiency: Minimizes friction, leading to smoother operation and better energy efficiency.
- Wider Shaft Tolerances: Enables the use of shafts with larger dimensional tolerances than would be required if the shaft were the raceway.
- Versatile Use: Can be combined with various needle roller bearings without inner rings (like NK and RNA series) to create a complete bearing solution.
