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Home Product 40*52*7 Stepper Motor, High-Torque NEMA 17 for CNC, 3D Printers, Robotics
40*52*7 (motor level)

40*52*7 Stepper Motor, High-Torque NEMA 17 for CNC, 3D Printers, Robotics

40x52x7 motor spacer
40mm shaft spacer component
52mm stator lamination part
40*52*7 (motor level)
40x52x7 motor spacer component designed for precise alignment between 40mm shaft spacer and 52mm stator lamination part. Durable construction ensures stable motor assembly, optimized for industrial machinery applications with compact spacing requirements.
Categories:Power Transmission
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Product Description

The 40x52x7 motor spacer is a precision-engineered component designed for industrial motor assemblies, featuring dimensions of 40mm (shaft interface), 52mm (stator lamination alignment), and 7mm thickness. This shaft spacer supports direct integration with modular motor systems, enabling seamless connection between rotating shafts and 52mm stator lamination parts. It operates within a wide voltage range of 12-48V DC and withstands temperatures from -30°C to 120°C, ideal for automation, robotics, and heavy machinery applications. Constructed from hardened aluminum with corrosion-resistant coating, it offers high durability under mechanical stress. Key advantages include precise dimensional tolerance, vibration damping, and thermal stability, though installation may require alignment tools for optimal performance. The spacer is compatible with standard IEC motor interfaces and eliminates the need for auxiliary components in compact designs.
Parameter Specification
Core Component Designation 40x52x7 motor spacer assembly
Shaft Interface Dimension 40mm shaft spacer component (OD tolerance ±0.05mm)
Stator Package Geometry 52mm stator lamination part with 7-layer stacking
Axial Space Allocation 7mm critical isolation gap
Radial Clearance 40mm bore with H7/k6 fit class
Thermal Operating Range -20°C to +120°C continuous duty
Material Composition Anodized aluminum alloy (40xx series) / Cold-rolled steel
Surface Finish Ra 3.2μm machined surfaces
Dielectric Strength 2.5kV isolation between conductive parts
Mechanical Load Capacity 150N axial thrust / 25Nm torsional
Vibration Resistance 10-2000Hz, 5G peak acceleration
Protection Standard IP54 compliant construction
question:What is the warranty policy?
answer:Products are covered for 1 year against manufacturing defects under standard warranty terms.
question:Why is shipping expensive? Are there cheaper options?
answer:Costs depend on carrier, weight, and destination. Contact us for economical alternatives like bulk discounts.
question:Do you offer upgraded or alternative models?
answer:Yes, we provide upgraded or compatible alternatives. Share your needs for tailored recommendations.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:What is the warranty policy?
answer:Products are covered for 1 year against manufacturing defects under standard warranty terms.
question:Why is shipping expensive? Are there cheaper options?
answer:Costs depend on carrier, weight, and destination. Contact us for economical alternatives like bulk discounts.
question:Do you offer upgraded or alternative models?
answer:Yes, we provide upgraded or compatible alternatives. Share your needs for tailored recommendations.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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