THK HSR30YR1SS(GK) Recirculating Ball Linear Bearing Block

Description:

The THK HSR30YR1SS(GK) Linear Bearing Block is a precision recirculating ball linear guide carriage designed for use with THK HSR30 series linear guide rails in high-load, high-accuracy motion systems. Featuring the compact Y-type block design with SS sealing and GK lubrication system, it delivers smooth linear travel, excellent rigidity, four-way equal load capability, and reliable positioning accuracy for demanding industrial applications. Commonly installed in CNC machining centers, industrial robots, semiconductor manufacturing equipment, automated assembly systems, precision inspection machines, and material handling equipment, this linear bearing block is used by maintenance teams, OEM machine builders, and system integrators for equipment repair, retrofit, expansion, and replacement.

Applications:

The THK HSR30YR1SS(GK) is widely used in CNC milling machines, machining centers, pick-and-place systems, semiconductor equipment, factory automation systems, packaging machinery, medical devices, precision measuring equipment, and robotic positioning systems. Its compact carriage design, four-row recirculating ball construction, and integrated sealing system make it ideal for applications requiring high rigidity, smooth linear motion, contamination protection, and long service life.

Technical Specifications:

• Manufacturer Part Number (MPN): HSR30YR1SS(GK)
• Manufacturer: THK Ltd.
• Product Type: Linear Bearing Block
• Series: HSR-Y LM Guide
• Block Type: Y (Compact Type)
• Guide Type: Recirculating Ball Linear Motion Guide
• Compatible Rail Size: 30 mm
• Overall Height (M): 45 mm
• Block Width (W): 59.5 mm
• Block Length (L): 98 mm
• Carriage Height (K): 38 mm
• Mounting Hole Spacing: 40 × 40 mm
• Mounting Thread: M6 × 9 mm
• Grease Nipple: B-M6F
• Dynamic Load Rating: 40.5 kN
• Static Load Rating: 53.7 kN
• Weight: Approximately 0.9 kg
• Material: Hardened Bearing Steel
• Seals: SS End, Side, and Inner Seals
• Lubrication System: GK Integrated Lubrication Unit
• Features: Compact Y-type carriage, four-way equal load design, precision-ground raceways, high rigidity, low-friction operation, contamination protection, and long service life.

Common Replacements:

• THK HSR30YR1SS
• THK HSR30YR1UU(GK)
• THK HSR30YR1SSC1(GK)