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Polyurethane rubber bumper / rubber damper / with centring collar (DXSK25-20-25-40)

Polyurethane rubber bumper / rubber damper / with centring collar DXSK25-20-25-40
  • Promotional pricing ends 31/12/2024
  • Volume Discount
View the FAQ (4)

MISUMI

MISUMI

Product Details:

Manufacturer part number: DXSK25-20-25-40

Brand: MISUMI

Price: 3.89 €

Delivery time: 7 Days


Technical Data:

Material: Urethane

Detailed Material: [Standard Urethane] Ether Polyurethane

Hardness (shore, asker): Shore A95

O.D. D: 25 Ø

Nose Dia. V: 20 Ø


  • Order quantities extended (D-JIT)

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DXSK25-20-25-40

Back to the Category Discs/Sleeves (Rubber, Caoutchouc, Foam, Felt)

Technical Drawing - Polyurethane Rubber Washers

Urethane/Rubber Bumpers/with Pilot:Related Image
Open the technical drawing in the new window

 

Available dimensions and tolerances can be found under the tab More information.

Basic Properties (e.g., material, hardness, coating, tolerance) - Polyurethane Rubber Washers

StandardConfigurable TypeMaterialHardnessColor
DXSKDXFSEther PolyurethaneShore A95Natural Color
DXHKDXFHShore A90Natural Color
DXMKDXFMEster PolyurethaneShore A70Natural Color
DXLKDXFLShore A50Natural Color
-RBKNNitrile Rubber (NBR)Shore A70Black
-RBKCChloroprene Rubber (CR)Shore A65Black
-RBKULow Elasticity Rubber
(HANENITE®GP-35LE)		Shore A35Black
-RBKSSilicon Rubber (SI)Shore A70Light Gray
-RBKAShore A50Milky White
-RBKFFluororubber (FPM)Shore A80Black
The milky white color of silicone rubber shore A50 is translucent.
 

Further specifications can be found under the tab More information.

Composition of a Product Code - Polyurethane Rubber Washers

Part Number-V-T-L
DXHK20-10-10-18
Part Number-D-V-T-L-C
DXFL-D49-V30-T6-L42-C0

General Information - Polyurethane Rubber Washers

Rubber washer - rubber sleeve with counterbore - rubber sleeve - rounded rubber damper - foam washer - foam sleeve

 

Selection details of rubber discs/rubber sleeves

- Material: heat-resistant antistatic, abrasion-resistant, highly abrasion-resistant, low-impact polyurethane rubber (PU/PUR), Vulkollan, ceramic polyurethane rubber, nitrile rubber sponge (NBR), chloroprene rubber (CR), ethylene cautchouc (EPDM), silicone rubber (SI), fluoro-cautchouk (FPM), hard rubber, butyl rubber (IIR), natural rubber, nitrile rubber foam, chloroprene rubber foam, polyethylene foam (EPDM foam), EPT sealing material, Silicone rubber foam, fluoro-rubber foam, special polyurethane foam (SOFRAS), polyester felt, polyester felt

- Hardness: Asker C5 to C35, Asker F75 to F85, Shore A15 to A95

- Versions: disc with bore holes, sleeves with holes, sleeves without holes, sleeves with counterbores, sleeves with external threads, sleeves with collar, dampers with round tip, dampers with conical tip

- Inner diameter: up to 80 mm

- Outer diameter: 6 to 100 mm

- Length: 1 to 10 mm (discs), 10 to 500 mm (sleeves)

 

Description/Basics

Rubber discs and rubber sleeves, also called rubber buffers, are generally used for vibration damping and impact damping. Rubber sleeves are often used as stopper buffers in industry. Rubber discs are occasionally also used as seals.
Discs and sleeves made of natural rubber are offered in different materials and hardnesses.

While rubber discs are often used for sealing, rubber sleeves are increasingly used as rubber buffers, stopper buffers, or elastomer dampers. MISUMI already offers such a rubber sleeve as a rubber buffer with external thread or counterbore for fastening.
The rubber buffer is also available with a vulcanized metal collar, which not only allows for a firm assembly, but also sits in the anti-backlash rubber sleeve. These adhesives are also available separately. In addition to the material of the rubber buffer, the shape of the stopper buffer is also responsible for the damping characteristic. conical or rounded rubber buffers can also develop a progressive damping curve that generates increasing damping.

Depending on the application and environmental influences, MISUMI offers rubber discs and rubber sleeves in various basic materials with the appropriate resistance. An overview of the intended uses of the respective natural rubber can be found under Natural Rubber Properties as PDF .
The rubber buffers made of polyurethane rubber are also available in an antistatic version. The specific resistance of antistatic rubber discs and rubber sleeves prevents static charging. This can prevent damage to electronic components.
For high temperature applications, MISUMI offers heat-resistant polyurethane rubber, which can withstand temperatures of approx. +120°C (see Specifications for further information).
Vulkollan, on the other hand, is a very abrasion-resistant polyurethane, the abrasion resistance of which is six times higher compared to conventional polyurethane.
Ceramic polyurethane washers and sleeves contain ceramic particles. Despite a low Shore hardness, they can be machined to give them a smooth surface.
MISUMI also offers foam discs and foam sleeves. In addition to damping, these can also have sealing properties. This is achieved by the foam discs due to the closed or semi-closed pores (EPT sealer) inside the material. For semi-closed pores, the pores are sealed under load. Therefore, the type of pores must always be observed for foams in order to select the appropriate foam depending on the application. You can get help for your selection by following this link.
Further properties of natural rubbers and foams can be found in the Properties PDF.
In addition to the aforementioned basic materials, the MISUMI online shop also offers felt discs and felt sleeves. Felt has the properties of capillary action and can absorb and release liquids such as oil. In addition, felt is gentle on sensitive surfaces and is often used for polishing surfaces.

A antivibration materials can also be used for two-sided mounting to dampen vibration.
MISUMI also offers vibration damping and impact damping materials in the form of sheets.

Application Examples - Polyurethane Rubber Washers

Application example - rubber roller with rubber sleeve - rubber roller with roller bearing - roller bearing with axle - running wire

Application example: rubber roller
(1) Rubber sleeve, (2) Roller bearing, (3) Axles / Rotary Shafts, (4) Catch ropes

Application example - cylinder stopper buffer - cylinder end stop - rubber buffer - rubber buffer for cylinder -

Application example: cylinder stopper buffer
(1) Rubber washer, (2) Floating joints, (3) Pneumatic cylinder

 

Industrial Applications

3D printer industry
Automotive industry
Pharmaceutical industry
Packaging industry

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  1. 1
Part Number
DXSK25-20-25-40
Part Number
Standard Unit Price
Minimum order quantityVolume Discount
Standard
Shipping Days
?
RoHSMaterial Detailed Material Hardness (shore, asker) O.D. D
(Ø) 		Nose Dia. V
(Ø) 		Thickness T
(mm) 		T Dimension
(mm) 		Length L
(mm) 		I.D. C
(Ø)

3.89 €

1 Available 7 Days 10Urethane[Standard Urethane] Ether PolyurethaneShore A952520-2540-

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  1. 1

Back to the Category Disks/Sleeves (Rubber, Caoutchouc, Foam, Felt)

Technical Drawing - Polyurethane Rubber Washers

Urethane/Rubber Bumpers/with Pilot:Related Image
Open the technical drawing in the new window

Specification Tables - Polyurethane Rubber Washers

■Standard Type (No Hole Type)
Part NumberV SelectionT
Selection		L
Selection		Unit Price
TypeDDXSKDXHKDXMKDXLK
DXSK
(Shore A95)
DXHK
(Shore A90)
DXMK
(Shore A70)
DXLK
(Shore A50)		8535 810       
810 1315   
105 835 91113  
810151416182123
158 1035 111315      
810151618202325
2010 1558101518202325    
1520 253035  
2515 20510 152025      
15202525303540 
30510 152025      
15202525303540 
4020 30510 152025      
15202525303540 
50510 152025      
15202525303540 
6030 40510 152025      
15202525303540 

■Urethane Configurable (Hole Configurable Type)
Part Number1mm IncrementUnit Price
DV (VTLCDXFSDXFHDXFMDXFL
DXFS
(Shore A95)

DXFH
(Shore A90)

DXFM
(Shore A70)

DXFL
(Shore A50)		6~153~142~304~100 (No Hole)
2~40		    
11~25    
26~40    
41~50    
16~306~297~10    
11~25    
26~40    
41~50    
31~4510~445~407~10    
11~25    
26~40    
41~50    
46~6015~595~457~100 (No Hole)
10~55		    
11~25    
26~40    
41~50    
C≤V-4 L-T≤Vx3
For Urethane Configurable Type, configurable dimension range has been shortened.

■Rubber Configurable (Hole Configurable Type)
Part Number1mm IncrementUnit Price
DV (VTLCRBKN
RBKC		RBKURBKS
RBKA		RBKF
RBKN
Nitrile Rubber (NBR)
RBKC
Chloroprene Rubber (CR)
RBKU
Low Elasticity Rubber
RBKS
(Shore A70)
Silicon Rubber (SI)
RBKA
(Shore A50)
Silicon Rubber (SI)
RBKF
Fluororubber (FPM)		6~153~142~304~100
(No Hole)
2~40		    
11~20    
21~30    
31 ~ 50 - -
16~306~297~10    
11~20    
21~30    
31 ~ 50 - -
31~4510~445~307~10    
11~20    
21~30    
31 ~ 50 - -
46~6015~597~100
(No Hole)
10~50		    
11~20    
21~30    
31 ~ 50 - -
C≤V-4 L-T≤Vx3
L≤30 for RBKU, RBKS and RBKF.
 

Basic information

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You can find the detail information about specifications and dimensions on part number DXSK25-20-25-40.

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Basic Attributes

  • Thickness T(mm)

     

    Clear

  • I.D. C(Ø)

    • 0

     

    Clear

  • Type

    • DXFH
    • DXFL
    • DXFM
    • DXFS
    • DXHK
    • DXLK
    • DXMK
    • DXSK
    • RBKA
    • RBKC
    • RBKF
    • RBKN
    • RBKS
    • RBKU

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  • Material

    • Urethane
    • Rubber

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  • Detailed Material

    • Standard Urethane
      • Ester Polyurethane
      • Ether Polyurethane
    • Nitrile Rubber (NBR Nitrile Rubber )
    • Chloroprene Rubber (CR)
    • Silicon Rubber (SI)
    • Fluoro Rubber (FPM)
    • Low Elasticity Rubber
      • Low Elasticity Rubber (HANENITE®GP-35LE)

    Clear

  • Hardness (shore, asker)

    • Shore A50
    • Shore A65
    • Shore A70
    • Shore A80
    • Shore A90
    • Shore A95
    • Shore A35

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  • O.D. D(Ø)

    • 8
    • 10
    • 15
    • 20
    • 25
    • 30
    • 40
    • 50
    • 60

     

    Clear

  • Nose Dia. V(Ø)

    • 5
    • 8
    • 10
    • 15
    • 20
    • 30
    • 40

     

    Clear

  • T Dimension(mm)

    • 3
    • 5
    • 8
    • 10
    • 15
    • 20
    • 25

    Clear

  • Length L(mm)

    • 8
    • 9
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    • 11
    • 13
    • 14
    • 15
    • 16
    • 18
    • 20
    • 21
    • 23
    • 25
    • 30
    • 35
    • 40

     

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    • 3D

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Optional Attributes

Frequently Asked Questions (FAQ)

Question:

What is Vulkollan?
Answer:

Vulkollan is a highly abrasion-resistant polyurethane rubber that has high wear resistance. It is one of the high-performance rubbers that has little pressure deformation and can withstand high impact forces. In addition, Vulkollan has a high tear strength. However, over time Vulkollan may change its colour, but without losing its mechanical properties.
Question:

Which rubber is resistant?
Answer:

Vulkollan is an abrasion-resistant material. It has an approx. six-fold higher abrasion resistance than conventional polyurethane materials. Vulkollan is particularly suitable for applications where high abrasion is expected.
Question:

Which rubber washer is oil-resistant?
Answer:

A rubber disc made of nitrile rubber (NBR) is highly resistant to various oils. This material is often used as a seal due to its good heat resistance and abrasion resistance.
Question:

Can a rubber sleeve be glued?
Answer:

A rubber sleeve or rubber disc can be stuck in or glued in. However, it must be ensured that the correct adhesive is selected in relation to the material of the elastomer. If this is not taken into account, the adhesive does not have the desired effect or even attack and degrade the elastomer. In addition, the adhesive should support the respective property of the material, e.g., antistatic or temperature resistance.

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Variation of this product

Part Number
DXHK10-5-10-21
DXHK10-5-10-23
DXHK10-5-15-14
DXSK25-20-5-15
DXSK25-20-5-20
DXSK25-20-5-25
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountStandard
Shipping Days
?		RoHSMaterial Detailed Material Hardness (shore, asker) O.D. D
(Ø) 		Nose Dia. V
(Ø) 		Thickness T
(mm) 		T Dimension
(mm) 		Length L
(mm) 		I.D. C
(Ø)

2.37 €

1 Available 7 Days 10Urethane[Standard Urethane] Ether PolyurethaneShore A90105-1021-

2.37 €

1 Available 7 Days 10Urethane[Standard Urethane] Ether PolyurethaneShore A90105-1023-

2.37 €

1 Available 7 Days 10Urethane[Standard Urethane] Ether PolyurethaneShore A90105-1514-

3.89 €

1 Available 7 Days 10Urethane[Standard Urethane] Ether PolyurethaneShore A952520-515-

3.89 €

1 Available 7 Days 10Urethane[Standard Urethane] Ether PolyurethaneShore A952520-520-

3.89 €

1 Available 7 Days 10Urethane[Standard Urethane] Ether PolyurethaneShore A952520-525-

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