THK LM30UU LINEAR BALL BEARING (LINEAR BUSHING)

Description:

The THK LM30UU Bearing is a precision closed-type linear ball bushing designed to provide smooth, low-friction linear motion on a 30 mm hardened shaft. Utilizing recirculating steel ball technology, the LM30UU delivers high load capacity, excellent running accuracy, and long service life for demanding industrial applications. Commonly installed in CNC machines, industrial automation systems, packaging equipment, semiconductor machinery, medical devices, and material handling systems, this linear bearing is used by maintenance teams, OEM machine builders, and system integrators for equipment repairs, retrofits, and replacement of worn linear bushings.

Applications:

The THK LM30UU is commonly used in CNC machining centers, industrial robots, automated assembly equipment, semiconductor manufacturing systems, packaging machinery, inspection equipment, medical devices, linear actuators, and precision positioning systems requiring smooth, accurate, and low-friction linear motion on 30 mm guide shafts.

Technical Specifications:

• Manufacturer Part Number (MPN): LM30UU
• Manufacturer: THK Ltd.
• Product Type: Linear Ball Bearing (Linear Bushing)
• Series: LM Series
• Bearing Type: Closed-Type Linear Bushing
• Nominal Shaft Diameter: 30 mm
• Outer Diameter: 45 mm
• Overall Length: 64 mm
• Motion Type: Precision Linear Motion
• Rolling Element: Recirculating Steel Balls
• Seal Type: UU (Double-End Seals)
• Basic Dynamic Load Rating: 2.16 kN
• Basic Static Load Rating: 4.02 kN
• Lubrication: Grease or Oil Lubrication
• Operating Temperature: -15 °C to 80 °C
• Construction Material: Hardened Bearing Steel
• Standard Accuracy Grades: High Accuracy (No Symbol), Precision (P)
• Features: Low friction, smooth operation, high load capacity, compact cylindrical design, and long service life.

Common Replacements:

• THK LM30AJUU
• THK LM30OPUU
• THK LME30UU