The NSK Precision Standard Ball Screw W0601MA-3PY-C3Z1 is a miniature linear motion actuator that converts rotational input into precise axial movement. This Japanese-manufactured component delivers low-friction, smooth operation across precision automation, CNC, robotics, and automotive applications. The flanged single-nut design combines compact geometry with C3 accuracy grade performance, supported by martensitic stainless steel ball grooves and synthetic resin sealing surfaces.
Technical Specifications
• Model: W0601MA-3PY-C3Z1 (NSK Precision Standard Ball Screw, A Series)
• Shaft Diameter: 6 mm
• Screw Shaft Valley Diameter: 5.2 mm
• Lead Size: 1 mm
• Ball Diameter: 0.800 mm
• Effective Number of Coils: 1 × 3
• Overall Dimensions: 165 mm height, 24 mm width, 24 mm length
• Mass: Approximately 0.06 kg
• Thread Direction: Right-hand
• Accuracy Grade: C3 (JIS B1191)
• Lead Precision (ep): 0.010 mm
• Lead Accuracy (VV): 0.008 mm
• Axial Runout: 0.025 mm
• Dynamic Load Rating (Ca): 555 N
• Static Load Rating (C0a): 680 N
• Maximum Allowable Speed: 3000 min⁻¹
– Key Features
• Tube-type nut design with flanged single-nut configuration minimizes radial footprint
• Top-type circulation system (horseshoe-shaped material between pitches) ensures consistent ball path geometry
• Martensitic stainless steel construction with specialized quenching technology provides hardened ball grooves
• Synthetic resin seals, circulating tops, and end caps protect internal rolling elements
• Compact form factor suitable for space-constrained mechanisms
• Repeatable performance across thermal cycling and extended duty cycles
– Typical Applications
• CNC machining centers and precision machine tools
• Robotic positioning systems and industrial automation
• Electric power steering assemblies
• Mechatronic actuator systems requiring deterministic motion
– Compatibility & Integration
• Compatible with NSK bearing support units WBK06-01A (square mount) and WBK06-11 (round mount)
• Designed for integration with standard NSK bearing assemblies
• Conforms to JIS B1191 dimensional and performance standards

















