Bearings
Linear Bearings & Shaft
Ball Bushings
LME Ball Bushing
Quick Code: BB-535687
LME20 UUAJ Samick Adjustable Sealed Linear Ball Bearing 20x32x45mm
The LME20UUAJ Samick Adjustable Sealed Linear Ball Bearing is a precision linear motion component engineered for applications requiring reliable shaft guidance with adjustable preload capability and superior contamination protection. This sealed ball bearing combines Samick's proven engineering excellence with practical adjustability features, making it an ideal choice for both standard and specialized motion control systems operating in challenging environments.
Product Composition
The LME20UUAJ linear ball bearing consists of:
- Outer cylinder housing
- Precision ball retainer with recirculating trucks
- High-quality bearing steel balls
- Sealed end rings for complete contamination protection
- Adjustable preload mechanism for optimized performance
The precision ball retainer holds the balls in recirculating trucks, securely positioned within the outer cylinder by sealed end rings, enabling smooth linear motion with minimal friction and maximum stability.
Technical Specifications
- Bore Diameter (Inside): 20mm
- Outer Diameter: 32mm
- Width: 45mm
- Type: Sealed on All Sides
- Version: Adjustable
- Brand: Samick
- Series: LM Series
- Material: Standard Bearing Steel
- Angle Compensation: Without Misalignment Compensation
- Operating Temperature Range: -20°C to +80°C
- Reference: LME20UUAJ
Key Features
- Adjustable preload mechanism for fine-tuning bearing performance and eliminating play
- Fully sealed design providing superior protection against dust, moisture, and contaminants
- Premium Samick engineering for reliable long-term operation
- Suitable for wide temperature range applications
- Precision ball bearing construction for smooth, low-friction linear motion
- Medium-sized bore ideal for standard 20mm linear shafts
- Compact profile suitable for space-constrained applications
Applications
The LME20UUAJ is ideal for use in:
- Precision industrial automation and manufacturing equipment
- Advanced CNC machinery and machining centers
- Optical and measurement instrumentation requiring precise positioning
- Semiconductor and electronics assembly equipment
- Robotic systems and motion control assemblies
- Medical and laboratory apparatus
- Printing and digital imaging equipment
- Environmental chambers and controlled-temperature systems
- Material handling systems requiring sealed protection
- Applications requiring adjustable preload for performance optimization
The fully sealed design combined with adjustable preload capability makes this bearing an excellent choice for both clean industrial environments and moderately challenging operating conditions where precision, reliability, and load capacity are essential. The 20mm bore diameter provides an ideal midpoint for applications requiring compact yet robust linear motion solutions.


