Overview
The MRC 322S is a single-row deep groove ball bearing designed to support radial loads and two-directional thrust loads in a wide range of industrial applications. As a member of MRC Bearing Services’ standard S-type series, the 322S combines proven design with precision manufacturing to deliver reliable performance in motors, pumps, and mechanical power transmission equipment.
Key Features
- Single-row radial deep groove ball bearing design for efficient load distribution
- Available in open, shielded, or sealed configurations depending on application requirements
- Standard pressed steel cage for cost-effective operation and durability
- ABMA CO radial clearance unless otherwise specified
- Precision-ground rings and precision-matched rolling elements
- Suitable for high-speed fractional horsepower motors and industrial machinery
Technical Specifications
- Bearing Type: Single-row deep groove ball bearing
- Series: MRC S-Type
- Model: 322S
- Cage Type: Pressed steel (standard); optional phenolic or bronze cage available
- Radial Clearance: ABMA CO (standard)
- Bearing Standard: Manufactured to ISO and ABMA specifications
- Tolerance Class: ABEC-1 standard (ABEC-3, ABEC-5, ABEC-7 available)
- Material: Premium 52100 steel rings and rolling elements
- Lubrication: Grease or oil compatible
- Condition: New in Box
Typical Applications
- Fractional horsepower electric motors
- Industrial machinery and equipment bearings
- Mechanical power transmission systems
- Pump and compressor assemblies
- Machine tool spindles and rotating shafts
- General industrial rotating equipment requiring radial support
Compatibility & Replacements
Compatible With
- Industrial motors rated for standard deep groove ball bearings
- Shaft and housing applications designed for 300-series bearing fits
- Equipment using grease or oil lubrication systems
- Machinery requiring ISO and ABMA bearing standards
Replaces / Drop-In Replacement For
- Original equipment 322S bearings in motors and machinery
- Compatible with other premium deep groove ball bearings of equivalent dimensions
- Verify bearing dimensions (bore, outer diameter, width) with original equipment specifications before ordering
Works With
- Standard bearing housings and shaft arrangements per ISO 15, ISO 286 tolerances
- Grease lubrication systems (Texaco Premium RB and equivalent)
- Oil circulation and splash lubrication methods
- Industrial automation and machinery control systems
- High-speed and moderate-load industrial applications
