THK SHS55LR1KKFM LINEAR BLOCK BEARING SHS55 SH555 YAA1076R CG

Description:

The THK SHS55LR1KKFM Linear Block Bearing is a precision long-type linear bearing block designed for SHS55 series linear guide rails, providing high-load, high-rigidity, and accurate linear motion in demanding industrial applications. Commonly installed in CNC machining centers, factory automation equipment, robotic systems, semiconductor manufacturing equipment, and heavy-duty material handling machinery using THK SHS55 guide rails. Maintenance teams and system integrators use this bearing block for machine repair, OEM replacement, retrofit projects, and restoring precise linear motion performance.

Applications:

The THK SHS55LR1KKFM is engineered for precision linear motion systems requiring high load capacity, long travel life, and exceptional positioning accuracy. It is widely used in CNC machine tools, industrial automation systems, gantry systems, electronics manufacturing equipment, packaging machinery, automated assembly lines, and precision inspection equipment where smooth, reliable, and repeatable linear movement is essential.

Technical Specifications:

• Manufacturer: THK
• Manufacturer Part Number: SHS55LR1KKFM
• Alternate Markings: SHS55, SH555, YAA1076R
• Product Type: Linear Block Bearing
• Series: SHS Caged Ball LM Guide
• Block Type: Long Square Type (LR)
• Compatible Rail Size: SHS55
• Compatible Guide Rail Width: 53 mm
• Number of Bearing Blocks: 1
• Block Mounting: Top Surface Mount
• Bearing Type: Caged Ball Linear Motion Bearing
• Overall Block Width: 100 mm
• Overall Block Height: 80 mm
• Overall Block Length: 213 mm
• Dynamic Load Rating: 161 kN
• Static Load Rating: 259 kN
• Mounting Hole Thread: M12 × 18
• Lubrication: Grease or Oil Lubrication
• Preload Grades: Normal, C1 (Light), C0 (Medium)
• Accuracy Grades: Normal, H, P, SP, UP
• Operating Temperature: -15°C to 80°C
• Material: Hardened Bearing Steel
• Features: Four-way equal load design, caged ball technology, high rigidity, self-adjusting capability, low friction, high positioning accuracy, long service life, and compatible with THK QZ lubrication system.

Common Replacements:

• THK SHS55R
• THK SHS55LR
• THK HSR55LA