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Rubber-metal elements / cylindrical, stepped / external thread on both sides / eye plate, steel, stainless steel / NR, CR, / A45, A60 (BGOMAC40250)

Rubber-metal elements / cylindrical, stepped / external thread on both sides / eye plate, steel, stainless steel / NR, CR, / A45, A60 BGOMAC40250
  • Promotional pricing ends 30/11/2024
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MISUMI

MISUMI

Product Details:

Manufacturer part number: BGOMAC40250

Brand: MISUMI

Price: 8.06 €

Delivery time: 5 Days


Technical Data:

Maximum Operating Load: 930 N

Properties: Durability / Weather Resistance / Water Resistance / Oil Resistance / Ozone Resistance

Connection Type: Both Ends Threaded Studs

Connecting Screw M: 8

Height H: 25 mm


  • Order quantities extended (D-JIT)
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Data sheet

Part Number

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BGOMAC40250

Back to the Category Antivibration Materials

Technical Drawing - Rubber-Metal Elements

Antivibration Rubber Mounts/Both Ends Threaded: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) - Rubber-Metal Elements

■Both Ends Threaded Studs
Type  Material  Hardness  Accessory
Main BodyMetal Fitting
BGOMANatural RubberSteel
(Trivalent Chromate)		Shore A60Nut, Spring Washer 2 pcs. each
BGOMACChloroprene Rubber
BGOMASNatural RubberEN 1.4301 Equiv.
BGOMALSteel
(Trivalent Chromate)		Shore A45
■Threaded Stud, Plate Mount
Type  Material  Hardness  Accessory
Main BodyMetal Fitting
BGOMPNatural RubberSteel
(Trivalent Chromate)		Shore A60Nut, Spring Washer 1 pc. each
BGOMPCChloroprene Rubber
BGOMPLNatural RubberShore A45

Further specifications can be found under the tab More information.

Composition of a Product Code - Rubber-Metal Elements

Part Number
BGOMA15150

General Information - Rubber-Metal Elements

Oscillation damper - stop buffer - vibration damper - rubber metal buffer - rubber metal elements - rubber discs - product assortment

 

Oscillation Damper/Stop Buffer/Vibration Damper Selection Details

- Material: natural rubber (NR), chloroprene rubber (CR), nitrile rubber (NBR), silicone (SI)

- Mounting plate: steel, stainless steel

- Hardness: Shore A45, A60, C19.7, C25.3, C29.8, C30, C38.0, C44, C44.3, C44.5, C50, C52.5

- Properties: weather resistant, water resistant, oil resistant, ozone resistant, electrically conductive

- Height: 3 to 34 mm

- Thread: M4 to M8

- Load: 1.77 N to 1225 N

 

Description/Basics

Rubber metal elements, or also called rubber metal buffers, are generally used for oscillation and vibration damping. They are not only used to reduce structure-borne noise (transmitting vibrations), but also demonstrably reduce noise generation. This property plays an increasingly important role in the industry and mechanical engineering, as noise reduction plays an increasingly important role.

The vulcanized rubber buffers are generally fitted with mounting plates on one side or both sides. The mounting plates are provided with internal threads, external threads or through holes. Depending on the installation requirements, MISUMI offers the appropriate vibration damper.
MISUMI offers vibration-damping rubber in various materials, with different advantages and properties. Not only the respective loads and vibration frequencies must be observed when selecting rubber buffers, but depending on the application the resistance to environmental influences (e.g., oil resistance) also plays an important role. The design of the damping material also influences the damper characteristic, which can develop a degressive or progressive damping effect. It should be noted that vibration dampers do not allow complete isolation and decoupling of vibrations, but this is greatly reduced. You can find further details under the tab More information.

An overview of the different vibration dampers and materials can be found in the selection process as a PDF .

Rubber metal elements are often used to reduce vibration and noise in a wide variety of applications in almost all industries. Motors, pumps, and other vibration generating units are often elastically supported with vibration dampers.

Natural Rubber (NR)
Rubber metal elements made of natural rubber offer the advantage that they form a low heat development (low "heat-build-up" values) during internal creep. However, a vibrating damper made of natural rubber should not come into contact with oil, as this will cause the rubber buffer to swell and become porous, which can reduce its damping properties.

Chloroprene Rubber (CR)
Vibration dampers made of chloroprene rubber have an excellent weather resistance and good oil and ozone resistance. However, rubber buffers made of chloroprene rubber have only limited resistance to water.

Nitrile Rubber (NBR)
Rubber buffers made of nitrile rubber have the advantage of high tear resistance and abrasion resistance. In addition, rubber buffers made of nitrile rubber have good resistance to hydrocarbons, fats and oils. As a result, this material is often used for seals because it also has good temperature resistance. Furthermore, vibration dampers made of nitrile rubber are electrically conductive.

Silicone and Silicone Gel (SI)
Rubber, silicone metal bearings are very temperature-resistant, water-resistant and durable in response to the other materials. Vibration dampers made of silicone rubber also have very good chemical resistance. Silicone is a soft material that has very good damping properties, but can absorb only a small amount of supporting force.
Further information on the hardness of the various rubbers can be found under Rubber Properties as a PDF.

 

Application Examples - Rubber-Metal Elements

Application example - rubber metal buffer with [Aug] plate and internal threads - vibration dampers on base plates

Application example: vibration damper internal thread and eye plate
(1) Screw , (2) mounting plate , (3) screw

Application example - rubber metal buffer with [Aug] plate and external thread - vibration damper on base plates

Application example: vibration damper external thread and eye plate
(1) Nut , (2) mounting plate , (3) screw

Application example - rubber metal buffer with external thread and internal thread

Application example: threaded vibration absorber
(1) Screw , (2) mounting plate , (3) base plate (meviy), (4) nut

Application example - rubber metal buffer with two-sided internal thread

Application example: vibration absorber with external thread
(1) Nut , (2) mounting plate , (3) base plate (meviy)

 

Industrial Applications

3D printer industry
Automotive industry
Pharmaceutical industry
Packaging industry

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30
45
60
  1. 1
Part Number
BGOMAC40250
Part Number
Standard Unit Price
Minimum order quantityVolume Discount
Standard
Shipping Days
?
RoHSMaximum Operating Load
(N) 		Properties Connection Type Connecting Screw M Height H
(mm) 		Spring Constant
(N/mm) 		Hardness
(Shore A) 		Material Operating Temperature Range
(°C) 		Applied Load
(N) 		O.D. D
(Ø)

8.06 €

1 Available 5 Days 10930Durability / Weather Resistance / Water Resistance / Oil Resistance / Ozone ResistanceBoth Ends Threaded Studs82534060[Chloroprene] Chloroprene Rubber-20～70363～93040

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  1. 1

Back to the Category Antivibration Materials

Technical Drawing - Rubber-Metal Elements

Antivibration Rubber Mounts/Both Ends Threaded:Related Image

Open the technical drawing in the new window

Specification Tables - Rubber-Metal Elements

Part NumberD1D2H1H2t ℓ SM
(Coarse)		W1xW2hPUnit Price
TypeNo.BGOMABGOMACBGOMASBGOMPBGOMPCBGOMALBGOMPL
(Shore A60)
Both Ends Threaded Studs
BGOMA
BGOMAC
BGOMAS
Threaded Stud, Plate Mount
BGOMP
BGOMPC
(Shore A45)
Both Ends Threaded Studs
BGOMAL
Threaded Stud, Plate Mount
BGOMPL		1216012101612.0 2.0 12115---   -- -
1515015121511.0 1512    
20150201513649x20736       
202002016.0        
2518025201813.4 2.3 181656x2542       
252702722.4        
3018030251813.4 2420862x3048       
302602621.4        
35260353069x35953       
4025040342520.4 302576x4060       
 
No.Shore A60 BGOMA BGOMAC BGOMAS BGOMP BGOMPCShore A45 BGOMAL BGOMPL
Z DirectionX Direction Allowable Load N {kgf}Rigidity Ratio kx/kzZ DirectionX Direction Allowable Load N {kgf}Rigidity Ratio kx/kz
Allowable Load N {kgf}Standard Load N {kgf}Spring Constant N/mm {kgf/cm}Allowable Load N {kgf}Standard Load N {kgf}Spring Constant N/mm {kgf/cm}
12160110{11}30~78{3~8}41{42}25{2.5}0.2066{7}18~47{1.8~5}25 {25}15{1.5}0.20
15150160{16}59~130{6~13}74{75}34{3.5}0.2096{10}35~78{3.5~8}44 {45}20{2.1}0.20
20150280{29}98~160{10~16}130{130}69{7}0.15170{17}59~96{6~10}78 {78}41{4.2}0.15
20200180{18}59~98{6~10}78{80}49{5}0.19110{11}35~59{3.5~6}47 {48}29{3}0.19
25180490{50}128~250{13~25}200{200}98{10}0.16290{30}76~150{7.7~15}120 {120}59{6}0.16
25270310{32}88~160{9~16}93{95}59{6}0.20190{19}53~96{5.4~10}56 {57}35{3.6}0.20
30180890{91}226~450{23~46}310{320}170{17}0.16530{55}138~270{14~28}190 {192}100{10}0.16
30260610{62}147~300{15~31}140{145}120{12}0.19370{37}93~180{9.5~19}84 {87}72{7.2}0.19
35260980{100}245~490{25~50}240{240}250{25}0.17590{60}147~290{15~30}140 {144}150{15}0.17
402501810{185}363~930{37~95}340{350}360{37}0.171090{111}218~560{22~57}200 {210}220{22}0.17
  Spring constant in X direction is calculated by (Spring Constant in Z Direction x Rigidity Ratio).
  Selection Methods, Mounting Methods, Properties, Cautions  >> P.460

More Information - Rubber-Metal Elements

Antivibration Rubber Mounts/Both Ends Threaded:Related Image
Antivibration Rubber Mounts/Both Ends Threaded:Related Image
Antivibration Rubber Mounts/Both Ends Threaded:Related Image
 

Basic information

Type Antivibration Rubbers Application Vibration Control Antivibration Rubber Type Round Type
Body Color Black

This page is Rubber-metal elements / cylindrical, stepped / external thread on both sides / eye plate, steel, stainless steel / NR, CR, / A45, A60, part number BGOMAC40250.
You can find the detail information about specifications and dimensions on part number BGOMAC40250.

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Basic Attributes

  • Properties

    • Durability
    • Weather Resistance
    • Water Resistance
    • Oil Resistance
    • Ozone Resistance

    Clear

  • Type

    • BGOMA
    • BGOMAC
    • BGOMAL
    • BGOMAS
    • BGOMP
    • BGOMPC
    • BGOMPL

    Clear

  • Maximum Operating Load(N)

    • 47
    • 59
    • 76
    • 78
    • 94
    • 98
    • 130
    • 150
    • 160
    • 183
    • 250
    • 270
    • 290
    • 300
    • 450
    • 490
    • 560
    • 930

    Clear

  • Connection Type

    • Both Ends Threaded Studs
    • Threadeds, Plate Stopper Type

    Clear

  • Connecting Screw M

    • 5
    • 6
    • 8

    Clear

  • Height H(mm)

    • 15
    • 16
    • 18
    • 20
    • 25
    • 26
    • 27

    Clear

  • Spring Constant(N/mm)

    • 25
    • 41
    • 44
    • 47
    • 56
    • 74
    • 76
    • 78
    • 86
    • 93
    • 120
    • 130
    • 140
    • 190
    • 200
    • 210
    • 240
    • 310
    • 340

    Clear

  • Hardness(Shore A)

    • 45
    • 60

    Clear

  • Material

    • Natural Rubber
    • Chloroprene
      • Chloroprene Rubber

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  • O.D. D(Ø)

    • 12
    • 15
    • 20
    • 25
    • 30
    • 35
    • 40

    Clear

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    • 2D
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Optional Attributes

Frequently Asked Questions (FAQ)

Question:

Can the rubber buffers be subjected to tension?
Answer:

Rubber buffer or rubber metal elements should not be subjected to pull. In this case, the vulcanized holding plate may be separated from the damping material. Therefore, vibration dampers should only be used in designs that subject it to pressure. This ensures that the vibration damper does not suffer a fatigue fracture.
Question:

Do you have oil-resistant rubber buffers?
Answer:

In an environment with oil-containing substances, a rubber metal buffer made of nitrile rubber (NBR) can be used. Since this material is oil-resistant, it is quite often used for seals. Other materials can swell up in contact with greases or oils, which will cause the rubber buffer to fail and cause it to lose its damping properties.
Question:

Which rubber buffer can be used in water vapour?

Answer:

A rubber metal buffer made of silicone rubber or silicone gel can be used here. It is highly resistant to water and offers very good damping properties. Similar to sanitary systems, this material is very resistant to aging, chemicals and temperature.
Question:

What is the permissible operating temperature of rubber metal silicone buffers?
Answer:

The maximum temperature resistance of silicone rubber buffers is at approx. 200°C. It is recommended to check the temperature resistance of the respective product. This can be found under the More Information tab.

Show more FAQ Close

Variation of this product

Part Number
BGOMA20200
BGOMA25180
BGOMA25270
BGOMAL12160
BGOMAL15150
BGOMAL20150
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountStandard
Shipping Days
?		RoHSMaximum Operating Load
(N) 		Properties Connection Type Connecting Screw M Height H
(mm) 		Spring Constant
(N/mm) 		Hardness
(Shore A) 		Material Operating Temperature Range
(°C) 		Applied Load
(N) 		O.D. D
(Ø)

4.16 €

1 Available 5 Days 1098Water Resistance / Weather ResistanceBoth Ends Threaded Studs6207860Natural Rubber-30～6059～9820

4.27 €

1 Available Same day

Stock

10250Water Resistance / Weather ResistanceBoth Ends Threaded Studs61820060Natural Rubber-30～60128～25025

4.78 €

1 Available 5 Days 10160Water Resistance / Weather ResistanceBoth Ends Threaded Studs6279360Natural Rubber-30～6088～16025

3.02 €

1 Available Same day

Stock

1047Water Resistance / Weather ResistanceBoth Ends Threaded Studs5162545Natural Rubber-30～6018～4712

3.40 €

1 Available 5 Days 1076Water Resistance / Weather ResistanceBoth Ends Threaded Studs5154445Natural Rubber-30～6035～7615

4.41 €

1 Available 5 Days 1094Water Resistance / Weather ResistanceBoth Ends Threaded Studs6157645Natural Rubber-30～6059～9420

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