Bushings, Grommets

Image Part Number Description / PDF Quantity Rfq
87121286

87121286

Murrplastik

SMALL GROMMET KDT/ZE 2X5MM OP

52

GR6739897A

GR6739897A

Richco, Inc. (Essentra Components)

IP67 SEALING GROMMET GRAY .197

2238

87141714

87141714

Murrplastik

KDT/X-FDA 04 GROMMET 04-05 MM

144

PGSB-1519A

PGSB-1519A

Richco, Inc. (Essentra Components)

BUSHING SPLIT 0.570" NYLON BLACK

2749

28682.4

28682.4

Conta-Clip

KDS SEAL MULTI 2X6.5MM BLACK

307

GES144F-C0

GES144F-C0

Panduit Corporation

GROMMET EDGE SOLID BLACK 1=100'

838

DG-20

DG-20

Richco, Inc. (Essentra Components)

GROMMET 1.140" PVC BLACK

551

GRD2043061PA

GRD2043061PA

Richco, Inc. (Essentra Components)

DIAPHRAGM GROMMET - ONE SIDED CU

9937

MCG-1N

MCG-1N

Richco, Inc. (Essentra Components)

GROMMET EDGE SLOT SS BLACK 100'

0

87141238

87141238

Murrplastik

MEDIUM GROMMET KDT/X 16-17MM

20

LTG-2

LTG-2

Richco, Inc. (Essentra Components)

GROMMET RUBBER GRAY

441

GFA-N12A

GFA-N12A

Richco, Inc. (Essentra Components)

GROMMET FLIP 0.730" NYLON GREEN

200

AHG-1

AHG-1

Richco, Inc. (Essentra Components)

ANGULAR HOLE GROMMET

167

UFE 54PM2X4.5/1X13

UFE 54PM2X4.5/1X13

PFLITSCH

PG 21 2X4,5/1X13MM U 20.2

48

87141765

87141765

Murrplastik

BTG/XL-FDA BLANK GROMMET LARGE

120

0801646

0801646

Phoenix Contact

FRAME GROMMET RUBBER BLACK

7

GRE32343A

GRE32343A

Richco, Inc. (Essentra Components)

GROMMET STRIP, ROLL, PVC, UNSERR

3

52220073

52220073

LAPP

BUSHING POLYCARBONATE BLACK

14

87141752

87141752

Murrplastik

KDT/X-FDA 23 GROMMET 23-24MM

120

UFE 54PM2X4.5

UFE 54PM2X4.5

PFLITSCH

PG 21 2X4,5MM U 20.2

49

Bushings, Grommets

1. Overview

Management bushings and grommets are passive cable management components designed to protect wires, cables, and conduits where they pass through panels, walls, or enclosures. These components prevent mechanical damage, reduce vibration stress, and maintain environmental seals. Their importance in modern electrical, automotive, aerospace, and industrial systems lies in enhancing system reliability, safety, and longevity while simplifying maintenance and compliance with regulatory standards.

2. Main Types & Functional Classification

TypeFunctional FeaturesApplication Examples
Rubber BushingsElastomeric material for vibration damping, waterproof sealingAutomotive wiring harnesses, marine equipment
Plastic GrommetsLightweight, chemical-resistant, low-friction surfaceConsumer electronics, HVAC systems
Metallic BushingsHigh mechanical strength, EMI shielding capabilitiesAerospace avionics, industrial machinery
Multi-hole BushingsIntegrated cable separation, strain reliefData centers, control panels
Sealed GrommetsIP65+ protection rating, dust/water ingress preventionOutdoor telecom cabinets, renewable energy systems

3. Structure & Composition

Typical bushings/grommets feature: - Base Material: Rubber (EPDM, silicone), thermoplastics (PVC, nylon), or metal alloys (aluminum, steel) - Geometry: Cylindrical, rectangular, or custom profiles with edge flanges - Internal Features: Cable retention ribs, anti-rotation tabs, integrated seals - Surface Treatment: UV-resistant coatings, flame-retardant additives, conductive plating

4. Key Technical Specifications

ParameterDescriptionImportance
Material Temperature Range-40 C to +150 C (varies by material)Determines environmental compatibility
Protection Rating (IP)IP54 to IP68Defines ingress protection level
Size Range3mm to 150mm diameterAffects cable compatibility
Compression Force5-50N/mm Influences sealing performance
Flammability RatingUL94 V-0, VW-1Safety compliance indicator
Installation MethodPush-in, screw-mount, adhesiveImpacts maintenance efficiency

5. Application Fields

  • Industrial: PLC control cabinets, robotic arms
  • Telecom: 5G base stations, fiber distribution hubs
  • Transportation: Electric vehicle battery packs, railcar wiring
  • Energy: Solar inverters, wind turbine nacelles
  • Commercial: Server racks, medical imaging equipment

6. Leading Manufacturers & Products

ManufacturerKey ProductsTechnical Highlights
HellermannTytonSealed Cable Glands Series 680IP68 rating, -40 C cold-crack resistance
PanduitMulti-Cable Transit BushingsUL94 V-0 flame rating, 20+ cable capacity
3MScotch Cable GrommetsSelf-sealing silicone material, EMI shielding
TE ConnectivityDEUTSCH DuraGrommet10,000 insertion durability, aerospace qualified

7. Selection Recommendations

Key selection criteria: - Environmental factors (temperature, UV exposure, chemical contact) - Cable diameter and quantity (allow 20% tolerance) - Required protection rating (IP65+ for outdoor use) - Mechanical stress requirements (vibration, compression) - Regulatory compliance (REACH, RoHS, NEC Article 300) - Installation accessibility (permanent vs. serviceable connections)

8. Industry Trends & Developments

Emerging trends include: - Integration with smart sensors for cable health monitoring - Adoption of bio-based polymers for sustainability - Miniaturization for high-density data center applications - Additive manufacturing for custom geometries - Enhanced EMI shielding solutions for 5G infrastructure - Self-healing materials for extreme environments

9. Case Studies

Automotive: Tesla Model Y uses multi-layer silicone bushings to protect battery harnesses against vibration and thermal cycling.
Renewables: Vestas wind turbines employ IP66-rated grommets to maintain nacelle sealing under harsh weather.
Data Center: Google's server racks utilize Panduit multi-cable bushings to achieve 40% faster deployment times.

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