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High-performance, compact linear guide block designed for precision motion control on THK rails. Features a four-way equal load structure, optimized rigidity, and smooth rolling motion suitable for machine tools, automation, and precision equipment. Specifications Model: YN7F993 Manufacturer: THK Co., Ltd. (Japan) Series: Likely SHS/HSR global-standard LM Guide Type: Linear guide carriage block (caged-ball) Rail Compatibility: THK linear guide rails (e.g., SHS, HSR series) Load Direction: Four-way equal load capacity Preload Options: Normal, C1 (light), or C0 (medium) preload selectable Sealing: End seal and side seal options (e.g., SS, DD) Material: High-carbon steel block with alloy steel balls; optional stainless steel (M models) Lubrication: Grease-packed; compatible with QZ automatic lubricator and LaCS contact scraper Radial Clearance: Standard (normal), or light/medium preload versions Accuracy Grades: Normal, High, Precision, Super-precision (model-dependent) Mounting: Top-mount tapped holes; flange or long-hole variations per size Dimensions (example for SHS25-based YN7F993): • Width ~25 mm • Height ~18 mm • Length ~60 mm (block body) Basic Dynamic Load Rating: ~20–35 kN (single block; varies by size) Basic Static Load Rating: ~27–52 kN Permissible Moment Load: Mₐ ≈ 0.36–0.63 kN·m; M_b ≈ 1.2–3.0 kN·m; M_c ≈ 0.23–0.52 kN·m Block Mass: ~0.3–0.6 kg (varies with size) Operating Speed: Up to several m/s (ball-guided) Service Life: Long—can exceed several hundred km with proper lubrication Operating Environment: –10°C to +80°C (grease limits); humidity controlled Maintenance: Periodic lubrication (every ~100 km or 3–6 months) Finish: Black oxide or rust-prevention coating; optional stainless steel upon request Actual load ratings, dimensions, mass, and clearances vary by size (e.g., SHS15, SHS20, SHS25, SHS30, etc.). YN7F993 typically corresponds to a specific size—please check with catalog or THK for exact sizing and preload/accuracy options. Please review pictures carefully and let us know if you have any questions!
Condition: Used
Weight: 0.10
Depth: 4.00
Length: 6.00
Width: 4.00
SKU: 4547 4.S9.13.5
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