INDUSTRY COMPONENT

Nut (Ball or Lead)

A precision nut that converts rotary motion to linear motion in ball screw or lead screw assemblies.

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Component Specifications

Definition
A critical component in linear motion systems that mates with the screw shaft to translate rotational movement into precise linear displacement. Ball screw nuts contain recirculating ball bearings for low friction, while lead screw nuts use sliding contact or polymer inserts.
Working Principle
Operates through mechanical engagement with the screw's helical grooves. In ball screw nuts, balls recirculate through raceways to minimize friction. In lead screw nuts, material deformation or sliding contact provides the driving force with inherent damping.
Materials
Typically alloy steel (SCM415, SCM440), stainless steel (SUS304, SUS440C), or bronze (CAC502). Polymer inserts may use PTFE, POM, or nylon composites for lead screw applications.
Technical Parameters
  • Thread Type Metric, ACME, or custom
  • Preload Type Double nut, offset preload, or single nut with spacer
  • Accuracy Grade C3-C10 per ISO 3408
  • Mounting Configuration Flanged, cylindrical, or square
  • Lubrication Requirement Grease or oil bath
Standards
ISO 3408, DIN 69051, JIS B1192

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Nut (Ball or Lead).

ball screw nut lead screw nut linear motion nut precision nut recirculating ball nut ACME nut anti-backlash nut Nut (Ball or Lead) Nut (Ball or Lead) in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Ball Screw / Lead Screw

A precision mechanical component that converts rotational motion into linear motion with high efficiency and accuracy.

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Engineering Analysis

Risks & Mitigation
  • Backlash accumulation
  • Wear-induced play
  • Lubrication failure
  • Thermal expansion mismatch
  • Mounting misalignment
FMEA Triads
Trigger: Insufficient lubrication
Failure: Increased friction, overheating, and premature wear
Mitigation: Implement automated lubrication systems and regular maintenance schedules
Trigger: Contamination ingress
Failure: Abrasive wear and ball/raceway damage
Mitigation: Install protective bellows or seals with appropriate IP ratings

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.005mm positioning accuracy for precision grades
Test Method
ISO 3408-4 for accuracy testing, DIN 69051 for dimensional verification

Buyer Feedback

★★★★☆ 4.8 / 5.0 (19 reviews)

"Standard OEM quality for Machinery and Equipment Manufacturing applications. The Nut (Ball or Lead) arrived with full certification."

"Great transparency on the Nut (Ball or Lead) components. Essential for our Machinery and Equipment Manufacturing supply chain."

"The Nut (Ball or Lead) we sourced perfectly fits our Machinery and Equipment Manufacturing production line requirements."

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Frequently Asked Questions

What is the difference between ball screw nuts and lead screw nuts?

Ball screw nuts use recirculating ball bearings for high efficiency and speed, while lead screw nuts rely on sliding contact or polymer inserts for self-lubrication, damping, and cost-effectiveness in lower duty applications.

How do I select the right nut preload type?

Choose double nut for adjustable preload and backlash elimination, offset preload for compact designs, or single nut with spacer for standard applications. Consider required stiffness, backlash tolerance, and assembly constraints.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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Nut Nut / Ball Nut