Overview
The RBC IR7204 is a precision needle roller bearing inner race designed for industrial power transmission and mechanical motion control applications. As part of RBC Bearings Incorporated, founded in 1919, an international manufacturer of highly engineered precision bearings, the IR7204 delivers reliable performance in machinery requiring compact, high-load-capacity bearing solutions. This inner race component pairs with compatible outer rings to create complete bearing assemblies for demanding industrial environments.
Key Features
- Precision-engineered inner race for needle roller bearing assemblies
- Alternate inner ring design with -C or -D suffix options for fit flexibility
- SAE 52100 chrome alloy steel construction for durability and wear resistance
- Compatible with RBC’s extensive Pitchlign® roller bearing product line
- Compact design for high-load applications in industrial automation
- New in box condition — ready for immediate integration
Technical Specifications
Consult RBC Bearings documentation or contact the manufacturer for specific dimensional tolerances, bore sizes, and load ratings applicable to your application. Dimensions are specified in inches. These bearings meet Military Standard MS 51961.
- Bearing Type: Needle Roller Inner Race
- Series: IR (Pitchlign®)
- Material: SAE 52100 Chrome Alloy Steel
- Condition: New in Box
- Mounting: Press fit or slip fit (depends on load type)
- Standards Compliance: Military Standard MS 51961, ISO 9001:2000
Typical Applications
The RBC IR7204 inner race is commonly used in:
- Industrial machinery and equipment requiring compact bearing solutions
- Power transmission systems with high radial load requirements
- Automotive and material handling equipment
- Machine tools and precision motion control systems
- Heavy-duty industrial automation and drive systems
Compatibility & Replacements
Compatible With
- RBC Pitchlign® needle roller bearing outer rings and assemblies
- Standard needle roller bearing housing designs
- Industrial machinery equipped with needle roller bearing cartridges
- Applications requiring ISO standard needle roller bearing dimensions
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator or RBC Bearings technical support before ordering. Alternate inner rings carry the suffix -C or -D, and inner rings must be ordered separately. Interchange tables are available from RBC for equivalent SJ series and JTEKT bearing models.
Works With
- RBC Pitchlign® outer ring assemblies
- Standard industrial machinery lubrication systems (grease and oil)
- Precision alignment and mounting fixtures for bearing installation
- Compatible with press-fit and slip-fit installation methods
