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SMC AC40A-04C-D Cylinder | Standard, 40mm Bore, 4mm Stroke, Double-acting, Compact, Cushion

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Certification
China Achievers Automation Limited certification
China Achievers Automation Limited certification
"ACH has proven to be a reliable partner. Their products are genuine and high-quality, with competitive prices and on-time delivery. We trust them as our long-term supplier in automation."

—— Mohammed Al-Farsi, Procurement

"For us, cost efficiency and authenticity are key. ACH helps reduce expenses while ensuring reliable quality and timely supply, making them a strong partner in our operations."

—— Procurement Manager

"For us, cost efficiency and authenticity are key. ACH helps reduce expenses while ensuring reliable quality and timely supply, making them a strong partner in our operations."

—— Supply Chain Director

"ACH offers quick response, flexible solutions, and fair pricing. The products are always genuine and reliable, and their friendly support makes cooperation smooth."

—— Operations Manager

"ACH provides genuine products with stable quality and fair pricing. Their fast response and reliable delivery give us confidence to continue working with them."

—— Engineering Manager

"We value ACH for their consistent quality and competitive pricing. Deliveries are always reliable, and their professional support makes procurement much easier for our team."

—— Procurement Head

SMC AC40A-04C-D Cylinder | Standard, 40mm Bore, 4mm Stroke, Double-acting, Compact, Cushion

SMC AC40A-04C-D Cylinder | Standard, 40mm Bore, 4mm Stroke, Double-acting, Compact, Cushion
SMC AC40A-04C-D Cylinder | Standard, 40mm Bore, 4mm Stroke, Double-acting, Compact, Cushion
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Large Image :  SMC AC40A-04C-D Cylinder | Standard, 40mm Bore, 4mm Stroke, Double-acting, Compact, Cushion Get Best Price

Product Details:
Place of Origin: CN
Brand Name: SMC
Certification: ATEX
Model Number: AC40A-04C-D
Document: ACH-AB-P+F-E+H-IFM-ASCO-YOK...WA.pdf
Payment & Shipping Terms:
Minimum Order Quantity: 1
Price: Negotiable
Packaging Details: carton
Delivery Time: Negotiable
Payment Terms: T/T,XT,ALIPAY
Supply Ability: 100pcs per month
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Detailed Product Description
Power Supply: 1 Ambient Temperature: -
Electrical Rating: G Certifications: S
Highlight:

SMC standard cylinder 40mm bore

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double-acting compact cylinder 4mm stroke

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SMC AC40A-04C-D cylinder with cushion

SMC AC40A-04C-D Cylinder | Standard, 40mm Bore, 4mm Stroke, Double-acting, Compact, Cushion

SMC AC40A-04C-D specifications. Standard pneumatic cylinder, 40mm bore, 4mm stroke, double-acting, with built-in cushion.

Product Overview

The SMC AC40A-04C-D is a compact, standard double-acting pneumatic cylinder from SMC's ACE series. It features a 40mm bore and a very short 4mm stroke. The cylinder is designed for precise, small-movement applications such as clamping, pressing, or positioning. It includes built-in cushioning at both ends to absorb impact and features a magnetic piston for easy integration with inductive sensors, making it suitable for automated systems requiring reliable short-stroke actuation.

Technical Specifications (Cylinder)

Parameter

Specification

Manufacturer​

SMC Corporation

Series​

ACE (Standard Air Cylinders)

Model​

AC40A-04C-D

Cylinder Type​

Double-acting, Single-rod

Piston Diameter (Bore)​

40 mm

Stroke Length​

4 mm

Cushioning​

Built-in cushion at both ends (adjustable)

Piston Position Sensing​

Magnetic piston (for use with magnetic sensors)

Rod End Thread​

Male thread (standard)

Technical Specifications (Performance/Mechanical)

Parameter

Specification

Operating Pressure​

0.05 to 1.0 MPa (0.5 to 10 bar)

Theoretical Force at 0.6 MPa​

754 N (advancing), 679 N (retracting)

Ambient/Media Temperature​

-10 to 60°C (14 to 140°F)

Operating Medium​

Clean, dry air (lubricated or non-lubricated)

Port Size​

Rc 1/8

Speed​

50 to 750 mm/s (with cushion)

Material, Barrel​

Aluminum alloy, hard anodized

Material, Piston Rod​

Stainless steel (SUS304)

Seals​

NBR (Nitrile)

Key Features

  • Ultra-Short 4mm Stroke:​ Designed for applications requiring minimal, precise linear movement

  • Double-Acting Operation:​ Provides controlled force in both extension and retraction

  • Built-in Cushioning:​ Reduces impact and noise at the end of the stroke

  • Magnetic Piston:​ Allows for non-contact position detection using a magnetic sensor

  • Compact Design:​ Saves space in machine layouts

  • Corrosion-Resistant Rod:​ Stainless steel piston rod for durability

  • Wide Pressure Range:​ Operates from 0.5 to 10 bar

  • Standard Ports:​ Rc 1/8 for easy pneumatic connection

Applications

  • Precision clamping and pressing operations

  • Small part ejection or positioning

  • Tool changers and fixture actuators

  • Gate control in molding or dispensing machines

  • Any automation task requiring a reliable, short-stroke linear actuator

SMC AC40A-04C-D Cylinder | Standard, 40mm Bore, 4mm Stroke, Double-acting, Compact, Cushion

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About ACH

Founded in 2012, ACH is a top-tier distributor of industrial automation products, supplying genuine devices from leading brands like ABB, P+F, E&H, AB, MTL and EMERSON to emerging markets worldwide. Our mission is to provide 100% Genuine products at the most competitive prices, helping customers reduce costs and strengthen their market position.

ACH industrial automation products
Frequently Ask & Questions
Are preferential prices available?

Long-term brand partners can get competitive product prices. At the same time, ACH controls the profit per order to 5%, providing the most competitive prices.

Are the Products Genuine OEM Units?

Yes, all products from ACH are certified genuine OEM units. We acquire our inventory through official OEM channels and trusted third-party suppliers, ensuring every item is authentic and reliable.

How will you arrange shipment?

We'll handle the shipping for you. Through our partnerships, we can secure competitive rates with major carriers like FedEx, DHL, TNT, and UPS, ensuring a smooth and cost-effective delivery.

What is the warranty of goods?

One-year Warranty.

How long is the logistics cycle of the product?

Products are divided into spot and futures, and the delivery period of different brands of products is also different. For details, please contact the ACH business manager.

Ratings & Review

Overall Rating

5.0
Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings
5 stars
100%
4 stars
0%
3 stars
0%
2 stars
0%
1 stars
0%

All Reviews

A
Amir Hafiz
Malaysia Jun 20.2026
Helpful (1)
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M
Muhammad Zain
Pakistan Jun 18.2026
Helpful (1)
This M12 capacitive sensor delivers stable 4mm detection distance with reliable PNP NO signal and compact M8 connector.
A
Arjun Patel
India Jun 16.2026
Helpful (1)
This EV220B solenoid valve has smooth switching, wide voltage range and reliable pilot-operated control performance.
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Achievers Automation Limited

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