Skip to main content
Home / Couplings / Diaphragm Coupling Aluminum Alloy Elastic Single/Double Diaphragm Shaft Coupling for High Torque Stepper and Servo Motors

Attributes

Brand -
Category Standard Parts, Components & Industrial Consumables / Couplings
Origin -
Material High-Grade Aluminum Alloy
Coupling Type Single/Double Diaphragm
Application Stepper and Servo Motors
Torque Capacity High Torque Transmission
Precision Level Japanese Tsugami High-Precision
Warranty Period 4 Years Manufacturer Warranty
Flexibility Elastic Compensation for Misalignment
Surface Finish Anodized Corrosion Resistance
Operating Temperature -20°C to +120°C
Origin Engineered in Japan

6 reviews

A

Anonymous

Mar 16, 2026

Rating: 5/5

Reliable under high load

Running this at maximum torque ratings for three months now with no signs of wear or fatigue. The 4-year warranty gives great peace of mind.

A

Anonymous

Mar 14, 2026

Rating: 4/5

Good value for precision parts

Slightly more expensive than generic options, but the Tsugami precision is worth it for applications requiring exact positioning.

A

Anonymous

Mar 13, 2026

Rating: 5/5

Excellent precision

We use these in our automated assembly lines. The vibration damping is superior to the rubber spider couplings we used previously.

A

Anonymous

Mar 08, 2026

Rating: 4/5

Great product, tight fit

The coupling works flawlessly, but ensure you have the correct reamer for the bore size. It is a very precise fit as advertised.

A

Anonymous

Mar 06, 2026

Rating: 5/5

Perfect for my CNC retrofit

Installed this on my Z-axis servo motor. The zero-backlash performance is noticeable immediately. Build quality feels extremely solid.

A

Anonymous

Mar 06, 2026

Rating: 5/5

Smooth operation

Reduced noise levels significantly in our motor setup. The aluminum alloy construction keeps it lightweight yet durable.

5 FAQ

Q: What is the maximum RPM rating for the double diaphragm version?

A: The maximum RPM varies by specific bore size, but generally, these couplings are rated up to 10,000 RPM. Please check the specific datasheet for your model number.

Q: Is the 4-year warranty valid for commercial use?

A: Yes, the 4-year warranty covers both industrial and commercial applications provided the product is installed and operated within specified limits.

Q: Does this coupling accommodate angular misalignment?

A: Yes, the diaphragm design allows for excellent compensation for angular, parallel, and axial misalignments while maintaining constant velocity.

Q: Does this require special lubrication?

A: No, the diaphragm coupling is maintenance-free and does not require any lubrication during its operational life.

Q: Can I order custom bore sizes?

A: Standard sizes are kept in stock. Custom bores are available upon request with a lead time of approximately 2-3 weeks.

Explore your interests

View More
All Categories
Best Seller (30)
New List (30)
Ammonia Decomposition Hydrogen Production Equipment, Ammonia Cracking Furnace, Liquid Ammonia to Hydrogen System, Air Separation Unit

Ammonia Decomposition Hydrogen Production Equipment, Ammonia Cracking Furnace, Liquid Ammonia to Hydrogen System, Air Separation Unit

$15,479.00

Strawberry Planting Trough - Soil-Free A-Frame Vertical Planter for Vegetables and Fruits

Strawberry Planting Trough - Soil-Free A-Frame Vertical Planter for Vegetables and Fruits

$14.80

Forged Steel Wheel Hub Bolts Grade 12.9 Extended Screws Fade-Resistant for VW, Audi, Mercedes-Benz, BMW

Forged Steel Wheel Hub Bolts Grade 12.9 Extended Screws Fade-Resistant for VW, Audi, Mercedes-Benz, BMW

$95.00

Retainer Storage Case Orthodontic Appliance Soaking Cleaning Box Portable Invisible Aligner Holder for Dentures

Retainer Storage Case Orthodontic Appliance Soaking Cleaning Box Portable Invisible Aligner Holder for Dentures

$2.80

Baby Sheepskin Rattle and Shaker Stick - Brass and Peach Wood, Old-Style Handmade, Chewable, Newborn Gift Box

Baby Sheepskin Rattle and Shaker Stick - Brass and Peach Wood, Old-Style Handmade, Chewable, Newborn Gift Box

$74.00

Portable Orthodontic Retainer Cleaning Case - Rotating Travel Box for Invisible Aligners

Portable Orthodontic Retainer Cleaning Case - Rotating Travel Box for Invisible Aligners

$17.60

Full Denture Soaking and Storage Box with Filter Net for Retainers and False Teeth

Full Denture Soaking and Storage Box with Filter Net for Retainers and False Teeth

$4.80

Anka Bella Face Painting Pen Facial Special Brush Embossing Pen Line Drawing Petal Professional Pigment Pen

Anka Bella Face Painting Pen Facial Special Brush Embossing Pen Line Drawing Petal Professional Pigment Pen

$4.17

Balloon Warm Star Pre-sale: Do You Have an Illness? Phase 1 - Clash of Hearts Little Chu Su Series Merchandise

Balloon Warm Star Pre-sale: Do You Have an Illness? Phase 1 - Clash of Hearts Little Chu Su Series Merchandise

$16.00

Car Tire Stone Removal Hook - Portable Multi-function Tool for Cleaning Gravel from Tire Treads

Car Tire Stone Removal Hook - Portable Multi-function Tool for Cleaning Gravel from Tire Treads

$7.00

Imported TRANS Gearbox Eccentric Bearing 614 59 7187 616 0608 11-15 11 YSX

Imported TRANS Gearbox Eccentric Bearing 614 59 7187 616 0608 11-15 11 YSX

$183.00

Sichuan Rongxian Earthware Minfeng Wine Jar, Home Pottery with Porcelain Liner, 600-Jin Unglazed Sealed Fermentation Vessel for Homemade Liquor

Sichuan Rongxian Earthware Minfeng Wine Jar, Home Pottery with Porcelain Liner, 600-Jin Unglazed Sealed Fermentation Vessel for Homemade Liquor

$901.00

Garlic Drum Sorting Machine - Single-Clove Garlic Grading Separator and Onion Sizing Sorter - Factory Direct Sales

Garlic Drum Sorting Machine - Single-Clove Garlic Grading Separator and Onion Sizing Sorter - Factory Direct Sales

$38,080.00

Aizaofang Food-Grade Soft Silicone Handmade Soap Mold Korean Rectangular 3D Tree Shadow Silicone Mold

Aizaofang Food-Grade Soft Silicone Handmade Soap Mold Korean Rectangular 3D Tree Shadow Silicone Mold

$23.00

JMC Yusheng & Yuhu Parts – Crankshaft Position Sensor, Signal Sensor, Original Equipment

JMC Yusheng & Yuhu Parts – Crankshaft Position Sensor, Signal Sensor, Original Equipment

$95.00

[10% Off for 2 Items] Calligraphy Wool Felt Mat - Double-Sided Painted Practice Pad for Students, Bulk Wholesale, Includes Arm Rest and Four Treasures of the Study Set

[10% Off for 2 Items] Calligraphy Wool Felt Mat - Double-Sided Painted Practice Pad for Students, Bulk Wholesale, Includes Arm Rest and Four Treasures of the Study Set

$6.63

Leak-Proof Retainer Case with Double-Layer Filter for Braces, Aligners, and Dentures - Portable Cleaning and Soaking Box

Leak-Proof Retainer Case with Double-Layer Filter for Braces, Aligners, and Dentures - Portable Cleaning and Soaking Box

$22.50

Car Tire Stone Removal Hook Tool, Explosive Tire Prevention Gadget, Durable Zinc Alloy Tire Cleaning Hook for Automotive Care

Car Tire Stone Removal Hook Tool, Explosive Tire Prevention Gadget, Durable Zinc Alloy Tire Cleaning Hook for Automotive Care

$10.90

[Damai Micro-Needle Hair Transplant Patent] Micro-Needle Planting (500 Units) - Suitable for Temples and Hairline

[Damai Micro-Needle Hair Transplant Patent] Micro-Needle Planting (500 Units) - Suitable for Temples and Hairline

$4,500.00

Japan Original FEC Lifting Chain - Specialized for Electric Hoist, 6.3mm Diameter Carburized Lifting Chain

Japan Original FEC Lifting Chain - Specialized for Electric Hoist, 6.3mm Diameter Carburized Lifting Chain

$223.00

X-RAY Coating Thickness Gauge - Desktop Tianrui Professional Analyzer for Metal Electroplating Layers

X-RAY Coating Thickness Gauge - Desktop Tianrui Professional Analyzer for Metal Electroplating Layers

$9,589.60

Heavy Truck Tire Cleaning Strips - Wear-Resistant Mud Flaps and Inner Tube Skirts - Decorative Tire Tassels

Heavy Truck Tire Cleaning Strips - Wear-Resistant Mud Flaps and Inner Tube Skirts - Decorative Tire Tassels

$9.05

Mixue Bingcheng Tanned Snow King Blind Box Figure Girls Gift Birthday Cute Plush Keychain Holiday Present

Mixue Bingcheng Tanned Snow King Blind Box Figure Girls Gift Birthday Cute Plush Keychain Holiday Present

$21.01

Smart Battery Tester with Full Protection - Performance Detector for EV and Car Batteries

Smart Battery Tester with Full Protection - Performance Detector for EV and Car Batteries

$269.00

Schneider Leakage Switch IC65 Vigi C120H 2/4P D80/100/125A Leakage Circuit Breaker

Schneider Leakage Switch IC65 Vigi C120H 2/4P D80/100/125A Leakage Circuit Breaker

$1,347.75

Wenxin Tang Pumpkin-Shaped Ceramic Water Pot - Small Celadon Glaze Brush Washer for Chinese Calligraphy

Wenxin Tang Pumpkin-Shaped Ceramic Water Pot - Small Celadon Glaze Brush Washer for Chinese Calligraphy

$18.50

Dehua Mutton Fat White Porcelain Brush Washer - Minimalist Modern Ceramic Water Pot and Scholar's Desk Ornament

Dehua Mutton Fat White Porcelain Brush Washer - Minimalist Modern Ceramic Water Pot and Scholar's Desk Ornament

$39.70

Lifting Chain Slings, Four-Leg Chain Rigging with Hooks and Shackles, Manganese Steel Chains for Crane Hoisting

Lifting Chain Slings, Four-Leg Chain Rigging with Hooks and Shackles, Manganese Steel Chains for Crane Hoisting

$79.20

Taikang Bybo Dental Straumann ITI Dental Implant Metal Abutment TK

Taikang Bybo Dental Straumann ITI Dental Implant Metal Abutment TK

$8,330.00

Factory Supply Adjustable Radish Strip Cutter, Multi-Function Vegetable Slicer for Green Radishes

Factory Supply Adjustable Radish Strip Cutter, Multi-Function Vegetable Slicer for Green Radishes

$5,395.00