Overview
The AMI Bearings MSER204 is a mounted ball bearing insert with set screw locking mechanism, designed for industrial automation and power transmission systems. Built from stainless steel for corrosion resistance, this bearing insert combines the durability of Japanese manufacturing with the versatility of a cylindrical O.D. design suitable for pillow block or flange mounting applications.
Key Features
- Stainless steel construction for enhanced corrosion resistance
- Set screw locking mechanism for secure shaft mounting
- Cylindrical O.D. design for standard mounting compatibility
- Japanese precision manufacturing by AMI Bearings Inc.
- Ball bearing insert configuration for low-friction operation
Technical Specifications
The AMI Bearings MSER204 is engineered with the following dimensional and performance characteristics:
- Bore Diameter: 0.75 inches (3/4″)
- Outside Diameter (O.D.): 1.8504 inches
- Width: 1.2188 inches
- Locking Type: Set Screw
- Material: Stainless Steel
- Weight: 0.36 lbs
- Bearing Type: Ball Bearing Insert, Round Bore
- Manufacturer: AMI Bearings Inc. (Japan)
Typical Applications
The AMI Bearings MSER204 is commonly specified for:
- Industrial conveyor systems and material handling equipment
- Rotating machinery requiring compact bearing solutions
- Food and beverage processing lines (stainless steel variant)
- Agricultural and municipal equipment
- General industrial power transmission and automation
Compatibility & Replacements
Compatible With
- Standard pillow block and flange mounting housings accepting 0.75″ bore bearings
- Industrial automation equipment requiring mounted ball bearing inserts
- Power transmission applications using set screw locking mechanisms
- Equipment designed for stainless steel bearing components
Replaces / Drop-In Replacement For
The MSER204 series bearing inserts are commonly interchangeable with other Japan-standard mounted ball bearing inserts in the same bore and O.D. class. Verify exact compatibility with your system integrator before ordering to ensure proper fit and load rating alignment.
Works With
- Standard pillow block and flange mount housings
- Shaft-mounted applications with 3/4″ diameter shafts
- Industrial equipment using cylindrical O.D. bearing interfaces
- Maintenance replacement programs for mounted bearing systems



