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Home Product 4*9*4 ABEC-1 Micro Ball Bearing 694ZZ for Drone Motors
4*9*4 (precision level)

4*9*4 ABEC-1 Micro Ball Bearing 694ZZ for Drone Motors

4*9*4 Precision Coupling
Spider Coupling 4*9*4
Flexible Coupling 4*9*4
4*9*4 (precision level)
4*9*4 Precision Coupling, a flexible Spider Coupling with high-torque urethane spider element, designed for precision misalignment compensation and vibration damping in industrial machinery, motors, and automation systems.
Categories:Power Transmission
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Product Description

The 4*9*4 Precision Coupling is a compact mechanical component designed for high-accuracy torque transmission between rotating shafts. Measuring 4x9x4 mm, this Spider Coupling 4*9*4 features an elastomeric spider insert to absorb vibrations and compensate for minor angular, radial, and axial misalignments up to ±2° and 0.5mm. Operating within -30°C to +120°C, it supports speeds up to 3000 RPM and nominal torque of 1.2 N·m. The Flexible Coupling 4*9*4 directly connects motor and driven equipment shafts via standard keyway or clamp-style mounting. Widely used in CNC machinery, robotics, and precision pump systems, its lightweight aluminum alloy construction ensures durability with minimal inertia. Advantages include zero-backlash performance and maintenance-free operation, though load capacity limits its use in heavy industrial applications. The coupling excels in environments requiring vibration damping and precise motion control without lubrication.
Parameter Specification
Type4*9*4 Precision Coupling
DesignationSpider Coupling 4*9*4
ConfigurationFlexible Coupling 4*9*4
Bore Diameter Range4mm (Standard)
Outer Diameter9mm
Length4mm
Max Torque95 Nm
Max RPM4500
Spider MaterialNBR (Shore A 80)
Hub MaterialAluminum Alloy 6061
Axial Misalignment±0.4mm
Angular Misalignment±1.5°
Operating Temp-30°C to +110°C
Bolt SizeM4
IP RatingIP54
Weight0.18kg
question:Can you provide shipment photos and purchase dates for similar products?
answer:Yes, we can share relevant shipment documentation and product history upon request.
question:Does your company have a professional product selection engineering team?
answer:Yes, our expert engineering team handles product research, testing, and quality validation.
question:Do you offer technical specification selection services?
answer:Yes, we provide technical consultation and specification analysis to match your requirements.
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:Can you provide shipment photos and purchase dates for similar products?
answer:Yes, we can share relevant shipment documentation and product history upon request.
question:Does your company have a professional product selection engineering team?
answer:Yes, our expert engineering team handles product research, testing, and quality validation.
question:Do you offer technical specification selection services?
answer:Yes, we provide technical consultation and specification analysis to match your requirements.
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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