(!)Due to Microsoft's end of support for Internet Explorer 11 on 15/06/2022, this site does not support the recommended environment.
- [Notice] Japan & China Golden Week holidays will start from 29 April to 6 May 2026. Kindly expect longer response from suppliers and possible delivery delay due to high volume of shipments after holiday. Early order placement is recommended. More details
- [Announcement] MISUMI Malaysia website new user interface. Clearer navigation, easy product search and more. Explore now! May contact us at (60) 3 7890 6399 for any inquiries.
Counterbored Urethane Bumpers, With Collar/ Without Collar (E-AZXSC20-20-M4)
- Volume Discount
MiSUMi Economy
This is an economy item, The price is cheaper than the MISUMI standard product.
Part Number
Configured Part Number is shown.
E-AZXSC20-20-M4
Product Overview
Polyurethane shock-absorbing material is effective in preventing workpiece scratches and cracking during fastening, as well as providing cushioning and vibration reduction for impact parts and vibration prevention.
Polyurethane is one of the more wear-resistant materials among non-metallic materials.
Polyurethane is one of the more wear-resistant materials among non-metallic materials.
Dimensional Drawing
■ Shaftless Type (Polyurethane Only)
■ With Collar Type
| H1·H2 Tolerance | D tolerance | |||
| H1·H2 | Tolerance | D | Tolerance | |
| 30 or Less | ±0.3 | 40 or Less | ±0.3 | |
| 31 or more | ±0.6 | 50 | ±0.4 | |
| 60 | ||||
| 80 | ±0.5 | |||
| 100 | ||||
Due to the tolerances of the polyurethane and the shaft collar, the L dimension of the shaft collar may protrude slightly, which is normal.If you mind this situation, please choose Polyurethane Shock Absorbing Material Hot Bonding/Shaft Ring Hot Bonding Type Products
| Collar No. | d | D | H | T | L | h |
| 3 | 3.5 | 5.5 | 5 | 2 | 7 | 7.5 |
| 4 | 4.5 | 6.5 | 8.5 | |||
| 4A | 7 | 9 | ||||
| 5 | 5.5 | 8 | 10 | |||
| 6 | 6.6 | 9 | 8 | 10 | 12 | |
| 8 | 9 | 11.5 | 14.5 | |||
| 8A | 6 | 8 | ||||
| 10 | 11 | 14 | 10 | 3 | 13 | 17 |
| 12 | 14 | 17 | 20 | |||
| 16 | 18 | 22 | 15 | 4 | 19 | 26 |
The corresponding hole sizes for applicable bolts are as follows
| Bolt Dimension | Urethane only | With Collar | ||||
| d1 | d2 | d3 | d4 | d5 | T | |
| M3 | 6 | 4 | 8 | 5.5 | 3.5 | 2 |
| M4 | 8 | 5 | 9.5 | 6.5 | 4.5 | |
| M5 | 9.5 | 6 | 11 | 8 | 5.5 | |
| M6 | 11 | 7 | 13 | 9 | 6.6 | |
| M8 | 14 | 9 | 15.5 | 11.5 | 9 | |
| M10 | 18 | 11 | 19 | 14 | 11 | 3 |
| M12 | 20 | 14 | 22 | 17 | 14 | |
| M16 | 26 | 18 | 28 | 22 | 18 | 4 |
Material Specifications
| Part Number | Shaftless Type (Polyurethane Only) | With Collar Type |  Material |  Hardness | Color | ||
| Black Oxide | Electroless Nickel Plating | Austenitic Stainless Steel | |||||
| L dimension fixed type | E-AZXSK | E-AZXSC | E-AZXSM | E-AZXSS | Standard urethane (ether type urethane) | Shore A95 | Natural |
| E-AZXHK | E-AZXHC | E-AZXHM | E-AZXHS | Shore A90 | |||
| E-AZXMK | E-AZXMC | E-AZXMM | E-AZXMS | Standard Polyurethane (Ester-based Polyurethane) | Shore A70 | ||
| E-AZXLK | E-AZXLC | E-AZXLM | E-AZXLS | Shore A50 | |||
| E-AZEXHK | E-AZEXHC | - | - | Wear-resistant urethane | Shore A90 | Dark Brown | |
| E-AZEXMK | E-AZEXMC | - | - | Shore A70 | |||
| E-AZXHHK | E-AZXHHC | - | - | Heat-resistant urethane | Shore A90 | Brown | |
| L dimension configurable | E-AZXS | E-AZCS | E-AZCS-M | E-AZCS-S | Standard urethane (ether type urethane) | Shore A95 | Natural |
| E-AZXH | E-AZCH | E-AZCH-M | E-AZCH-S | Shore A90 | |||
| E-AZXM | E-AZCM | E-AZCM-M | E-AZCM-S | Standard Polyurethane (Ester-based Polyurethane) | Shore A70 | ||
| E-AZXL | E-AZCL | E-AZCL-M | E-AZCL-S | Shore A50 | |||
Material color is subject to the actual product. Polyurethane will yellow over time, but its properties will not change.For details on various polyurethane characteristics, please click 
Characteristics of Polyurethane, Rubber, and Sponge.Orders for only the shaft collar are also accepted. ■ Polyurethane Shock Absorbing Material Color Chart
| Natural | Black | Brown | Dark Brown | ||
 |  |  |  | ||
Polyurethane is subject to color variation; the above colors are for reference only.Specification Table
| Part Number |  L Selection |  M | Polyurethane only H1 | With Collar | ||||||||||||
 Type |  D | H2 | Shaft Collar No. | |||||||||||||
| L Dimension Fixed | 12 | 12 | M3 | 5 | - | |||||||||||
| 15 | 12 | 15 | 5 | 3 | ||||||||||||
| No Collar | With Collar | 15 | 20 | M4 | 4 | |||||||||||
| Urethane only | Black Oxide | Electroless Nickel Plating | SUS304 | 20 | 20 | 25 | 7 | 7 | 4A | |||||||
| 20 | 25 | M5 | 5 | |||||||||||||
| E-AZXSK | E-AZXSC | E-AZXSM | E-AZXSS | (Standard Shore A95) | 25 | 20 | 25 | M6 | 8 | 8 | 6 | |||||
| E-AZXHK | E-AZXHC | E-AZXHM | E-AZXHS | (Standard Shore A90) | 20 | 25 | M8 | 6 | 8A | |||||||
| E-AZXMK | E-AZXMC | E-AZXMM | E-AZXMS | (Standard Shore A70) | 30 | 20 | 25 | 30 | M6 | 10 | 8 | 6 | ||||
| E-AZXLK | E-AZXLC | E-AZXLM | E-AZXLS | (Standard Shore A50) | 25 | 30 | 40 | M8 | 8 | |||||||
| E-AZEXHK | E-AZEXHC | (Wear-resistant Type Shore A90) | 40 | 30 | 40 | M10 | 12 | 10 | 10 | |||||||
| E-AZEXMK | E-AZEXMC | (Wear-resistant Type Shore A70) | 30 | 40 | 50 | M12 | 12 | |||||||||
| E-AZXHHK | E-AZXHHC | (Wear-resistant Type Shore A90) | 50 | 30 | 40 | M10 | 15 | 10 | ||||||||
| 40 | 50 | M12 | 12 | |||||||||||||
| 60 | 30 | 40 | M10 | 10 | ||||||||||||
| 40 | 50 | M12 | 12 | |||||||||||||
| L dimension configurable | 15 | 15 to 50(Polyurethane only) 25 to 50(With shaft collar) | M3 M4 | 5 ≤ H1<L | 5(M3)7(M4) | - | ||||||||||
| No Collar | With Collar | 20 | M4 M5 | 7 (M4 M5) | ||||||||||||
| Urethane only | Black Oxide | Electroless Nickel Plating | SUS304 | 25 | M6 M8 | 8 (M6 M8) | ||||||||||
| 30 | ||||||||||||||||
| E-AZXS | E-AZCS | E-AZCS-M | E-AZCS-S | (Standard Shore A95) | 40 | 25 to 50(Polyurethane only) 30 to 50(With collar) | M10 M12 | 10 (M10 M12) | ||||||||
| E-AZXH | E-AZCH | E-AZCH-M | E-AZCH-S | (Standard Shore A90) | 50 | |||||||||||
| E-AZXM | E-AZCM | E-AZCM-M | E-AZCM-S | (Standard Shore A70) | 60 | |||||||||||
Product Features
Feature 1: Compared to rubber, polyurethane offers a wider range of hardness options, is softer and more elastic, and also has a certain degree of airtightness.
Feature 2: Urethane has excellent mechanical strength and is more widely used to prevent scars and cracks when brittle objects such as glass and acrylic are fastened.
Feature 3: Urethane is less likely to transmit vibration and sound.
Feature 4: Polyurethane has low dust generation, and since it does not contain carbon, it is a material that is not prone to color transfer. (*Natural color only)
Feature 5: A wide variety of products are available to suit different operating conditions.
For more product details, please click
Characteristics of Polyurethane, Rubber, and Sponge.
Feature 6: Available with or without shaft collar, offering multiple options to meet your needs.
■ Hardness Table
Feature 2: Urethane has excellent mechanical strength and is more widely used to prevent scars and cracks when brittle objects such as glass and acrylic are fastened.
Feature 3: Urethane is less likely to transmit vibration and sound.
Feature 4: Polyurethane has low dust generation, and since it does not contain carbon, it is a material that is not prone to color transfer. (*Natural color only)
Feature 5: A wide variety of products are available to suit different operating conditions.
For more product details, please click
Characteristics of Polyurethane, Rubber, and Sponge.Feature 6: Available with or without shaft collar, offering multiple options to meet your needs.
■ Hardness Table
| Material | A95 | A90 | A70 | A50 | A30 |
| Urethane | ● | ● | ● | ● | ● |
| Nitrile Rubber | × | × | ● | ● | × |
| Chloroprene | × | × | ● | × | × |
| EPDM Rubber | × | × | ● | × | × |
| Silicone Rubber | × | × | ● | ● | × |
| Fluororubber | × | × | ● | × | × |
| Butyl Rubber | × | × | ● | × | × |
Precautions
(1) About urethane discoloring
Urethane will darken its color by absorbing UV rays or illuminating light. This phenomenon is called yellowing. But it does not affect its physical properties, please fully understand when using it.
②Hydrolysis characteristics of urethane
If urethane is used for a long time in a moist or humid environment, it will be hydrolyzed and deteriorated.
It is recommended to manage the temperature and humidity of the warehouse and operating environment in areas with high humidity to extend the service life of the product.
Urethane will darken its color by absorbing UV rays or illuminating light. This phenomenon is called yellowing. But it does not affect its physical properties, please fully understand when using it.
| New urethane | Yellowed urethane |
 |  |
If urethane is used for a long time in a moist or humid environment, it will be hydrolyzed and deteriorated.
It is recommended to manage the temperature and humidity of the warehouse and operating environment in areas with high humidity to extend the service life of the product.
(3) Changes in the state of the product after hydrolysis
· The polyurethane surface becomes sticky
· Pressing lightly with a fingernail leaves irreversible marks
· Polyurethane hardness decreases
· Polyurethane dries and cracks, easily disintegrating into powder
| Hydrolyzed urethane |
 |
④Urethane dimension change
Urethane dimension will change with the surrounding temperature, but the amount of change is not large, and it can be restored to its original dimension after a few hours at room temperature.
Urethane dimension will change with the surrounding temperature, but the amount of change is not large, and it can be restored to its original dimension after a few hours at room temperature.
Example of Use
| Example of Use① | Role of Product |
| ■ Positioning Mechanism | This can prevent direct contact between metal parts, and also provides shock absorption, cushioning, and noise reduction effects. |
 | |
| Example of Use② | Role of Product |
| ■ Feeding Equipment | Fits over protruding parts of equipment to prevent injury. Can also be used as a stopper to support the panel when it is flipped up. |
 | |
| Example of Use③ | Role of Product |
| ■ Wire Conveyance Mechanism | Utilizes the wear resistance of polyurethane Can be used as a wire guide. |
 |
Related Industries
Related Products
| Polyurethane Stop Bolt, Hex Socket Type, Head with Hex Socket | Resin Collar Standard | Rubber Washer | ||
 |  |  | ||
| Typical model: UNAH4-20 | Typical model: CLJJ10-16-20.0 | Typical model: WUNS20-10-5 | ||
| Advantage: The large head stopper is suitable for supporting workpieces with a larger surface area | Advantages: Optional inner and outer diameter and height, better price | Advantages: Multiple material options available, suitable for different usage environments |
Related Documents
MISUMI Polyurethane, Rubber, and Sponge Characteristics Click Polyurethane, Rubber, and Sponge Characteristics.
About MISUMI Polyurethane & Rubber Material Selection ClickPolyurethane & Rubber Material Selection.
Polyurethane, Rubber, and Sponge Characteristics.About MISUMI Polyurethane & Rubber Material Selection Click
Polyurethane & Rubber Material Selection.Part Number
CAD Data download and 3D preview are not available because the part number has not yet been determined.
- *In order to open the CAD Data download and 3D preview screen, the part number must be fixed.
- Please confirm the part number from "Specification / Dimension"on the left side, and then perform the CAD Data Download / 3D Preview operation.
Loading...
| Part Number |
|---|
| E-AZXSC20-20-M4 |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Shape | Material Detail | Hardness (Shore, Asker) | Material | Length L (mm) | Outer Diameter D (⌀) | Length L (mm) | Applicable Bolt Size [ M ] | Color / Material | Color Surface Treatment | H1 (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MYR 48.58 | 1 Piece(s) | Available | 7 Day(s) | Counterbored | [Standard Urethane] Polyether Polyurethane | Shore A95 | Urethane | - | 20 | 20 | 4 | General structural steel or carbon steel | Ferroferric Oxide Protective Film (Black Oxide Treatment) | - |
Loading...
Please check the type/dimensions/specifications of the part E-AZXSC20-20-M4 in the Counterbored Urethane Bumpers, With Collar/ Without Collar series.
Specification/Dimensions
-
Length L(mm)
-
H1(mm)
-
type
- E-AZCH
- E-AZCH-M
- E-AZCH-S
- E-AZCL
- E-AZCL-M
- E-AZCL-S
- E-AZCM
- E-AZCM-M
- E-AZCM-S
- E-AZCS
- E-AZCS-M
- E-AZCS-S
- E-AZEXHC
- E-AZEXHK
- E-AZEXMC
- E-AZEXMK
- E-AZXH
- E-AZXHC
- E-AZXHHC
- E-AZXHHK
- E-AZXHK
- E-AZXHM
- E-AZXHS
- E-AZXL
- E-AZXLC
- E-AZXLK
- E-AZXLM
- E-AZXLS
- E-AZXM
- E-AZXMC
- E-AZXMK
- E-AZXMM
- E-AZXMS
- E-AZXS
- E-AZXSC
- E-AZXSK
- E-AZXSM
- E-AZXSS
-
Shape
-
Counterbored
-
-
Material Detail
- Standard Urethane
- Heat Resistant Urethane
- Abrasion Resistant Urethane
- Standard Urethane
-
Hardness (Shore, Asker)
-
Material
- Urethane
-
Outer Diameter D(⌀)
-
Length L(mm)
- 12
- 15
- 20
- 25
- 30
- 40
- 50
-
Applicable Bolt Size [ M ]
-
Color / Material
- Austenitic Stainless Steel
- Colorless
- General structural steel or carbon steel
-
Color Surface Treatment
- Electroless Nickel Plating
- Ferroferric Oxide Protective Film (Black Oxide Treatment)
- Not Provided
-
CAD
- 2D
- 3D
Days to Ship
-
- All
- 7 Day(s) or Less
- 13 Day(s) or Less
Specify Alterations
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
Products like this...
| Part Number |
|---|
| E-AZEXHC15-20-M4 |
| E-AZEXHC20-20-M4 |
| E-AZEXHC20-20-M5 |
| E-AZXSC20-20-M5 |
| E-AZXSC20-25-M4 |
| E-AZXSC20-25-M5 |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Shape | Material Detail | Hardness (Shore, Asker) | Material | Length L (mm) | Outer Diameter D (⌀) | Length L (mm) | Applicable Bolt Size [ M ] | Color / Material | Color Surface Treatment | H1 (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MYR 45.78 | 1 Piece(s) | Available | 7 Day(s) | Counterbored | Abrasion Resistant Urethane | Shore A90 | Urethane | - | 15 | 20 | 4 | General structural steel or carbon steel | Ferroferric Oxide Protective Film (Black Oxide Treatment) | - | |
MYR 47.45 | 1 Piece(s) | Available | 7 Day(s) | Counterbored | Abrasion Resistant Urethane | Shore A90 | Urethane | - | 20 | 20 | 4 | General structural steel or carbon steel | Ferroferric Oxide Protective Film (Black Oxide Treatment) | - | |
MYR 47.28 | 1 Piece(s) | Available | 7 Day(s) | Counterbored | Abrasion Resistant Urethane | Shore A90 | Urethane | - | 20 | 20 | 5 | General structural steel or carbon steel | Ferroferric Oxide Protective Film (Black Oxide Treatment) | - | |
MYR 48.32 | 1 Piece(s) | Available | 7 Day(s) | Counterbored | [Standard Urethane] Polyether Polyurethane | Shore A95 | Urethane | - | 20 | 20 | 5 | General structural steel or carbon steel | Ferroferric Oxide Protective Film (Black Oxide Treatment) | - | |
MYR 50.71 | 1 Piece(s) | Available | 7 Day(s) | Counterbored | [Standard Urethane] Polyether Polyurethane | Shore A95 | Urethane | - | 20 | 25 | 4 | General structural steel or carbon steel | Ferroferric Oxide Protective Film (Black Oxide Treatment) | - | |
MYR 50.36 | 1 Piece(s) | Available | 7 Day(s) | Counterbored | [Standard Urethane] Polyether Polyurethane | Shore A95 | Urethane | - | 20 | 25 | 5 | General structural steel or carbon steel | Ferroferric Oxide Protective Film (Black Oxide Treatment) | - |
Additional Products in this Category
- Urethane Washers - Standard, Antistatic, Heat Resistant, Vulkollan®, Abrasion Resistant, Ceramic Urethane, Adhesive
- Urethane Bumpers - Configurable - Standard / Antistatic / Low Rebound / Heat Resistant / Vulkollan® / Abrasion Resistant / Ceramic Urethane
- Urethane / Rubbers - Cap Type
- Urethane / Rubber Baked Bumpers - Threaded Type
- Urethane / Rubber Baked Bumpers - Collar Baked Type
- Special Foam Polyurethane SOFRAS® - Rolled Type
- Polyurethane Gasket
- Cylindrical rubber
Tech Support
- Credit Card
- Bank Transfer
Social Media
MISUMI Contact
Copyright © MISUMI Corporation All Rights Reserved.
How can we improve?
How can we improve?
While we are not able to respond directly to comments submitted in this form, the information will be reviewed for future improvement.
Customer Privacy Policy
Thank you for your cooperation.
While we are not able to respond directly to comments submitted in this form, the information will be reviewed for future improvement.
Please use the inquiry form.
Customer Privacy Policy