Bushings, Grommets

Image Part Number Description / PDF Quantity Rfq
GR3068A

GR3068A

Richco, Inc. (Essentra Components)

GROMMET 0.688" RUBBER BLACK

0

28531.4

28531.4

Conta-Clip

KDS SMALL SEALING SLEEVE 12MM

153

0801712

0801712

Phoenix Contact

FRAME GROMMET ELASTOMER GRAY

0

GFA-N14A

GFA-N14A

Richco, Inc. (Essentra Components)

GROMMET FLIP 0.855" NYLON GREEN

193

28520.4

28520.4

Conta-Clip

KDS SMALL SEALING SLEEVE BLIND

294

23MP04K1Z

23MP04K1Z

Richco, Inc. (Essentra Components)

BUSHING W/STR RELIEF NYLON BLACK

1896

GES189F-C0

GES189F-C0

Panduit Corporation

GROMMET EDGE SOLID BLACK 1=100'

17

87171222

87171222

Murrplastik

SMALL GROMMET KDT/Z 8-9MM RAN

380

UFE 55P16

UFE 55P16

PFLITSCH

PG 29 KAD 15,5-11,5MM

75

28647.4

28647.4

Conta-Clip

KES-GB 32/24 BK

20

SPGSG-2.5B

SPGSG-2.5B

Richco, Inc. (Essentra Components)

GROMMET EDGE SLOT PE BLK 1=100'

44

SRB-F-6

SRB-F-6

Richco, Inc. (Essentra Components)

STRAIN REL BUSH FLAT CBL BLACK

1588

22MP08706

22MP08706

Richco, Inc. (Essentra Components)

BUSHING 0.375" NYLON BLACK

1985

28559.4

28559.4

Conta-Clip

KDS SEALING SLEEVE AS INTER

160

GEE144F-A-C

GEE144F-A-C

Panduit Corporation

GROMMET EDGE SLOT NAT 1=100'

52

SRB-R-10

SRB-R-10

Richco, Inc. (Essentra Components)

BUSHING W/STR RELIEF NYLON BLACK

2273

28565.6

28565.6

Conta-Clip

KDS SMALL SEALING SLEEVE 5MM

144

1410123

1410123

Phoenix Contact

FRAME GROMMET ELASTOMER GRAY

0

28572.6

28572.6

Conta-Clip

KDS SMALL SEALING SLEEVE 12MM

74

2584880000

2584880000

Weidmuller

MULTIPLE SEALING ELEMENT GRAY, S

8430

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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