Bushings, Grommets

Image Part Number Description / PDF Quantity Rfq
F310-9125-04

F310-9125-04

Jacob

FRAME SET KADL

5

GRO062041A

GRO062041A

Richco, Inc. (Essentra Components)

GROMMET 0.500" PVC BLACK

1304

8485

8485

Keystone Electronics Corp.

BUSHING 1.625" NYLON BLACK

300

87121220

87121220

Murrplastik

SMALL GROMMET KDT/ZE 8-9MM RA

87

87141734

87141734

Murrplastik

KDT/X-FDA 14 GROMMET 14-15 MM

144

28656.6

28656.6

Conta-Clip

KES-R 21/24 GR

20

RFG8X8Y

RFG8X8Y

Panduit Corporation

RAISED FLOOR AIR SEALING GROMMET

5

PGSA-1316A

PGSA-1316A

Richco, Inc. (Essentra Components)

BUSHING SPLIT 0.480" NYLON BLACK

6557

QFG-16204

QFG-16204

Richco, Inc. (Essentra Components)

GROMMET 0.470" ELASTOMER BLACK

155

28633.4

28633.4

Conta-Clip

KES 16-1/24 BK

20

2583460000

2583460000

Weidmuller

GROMMET CABTITE SE 6-7 SML GRY

706130

PGSB-2530

PGSB-2530

Richco, Inc. (Essentra Components)

BUSHING 0.984" NYLON BLACK

3499

HG-11

HG-11

Richco, Inc. (Essentra Components)

GROMMET 0.672" ELASTOMER BLACK

847

2584480000

2584480000

Weidmuller

SEALING ELEMENT GRAY, LARGE

120160

87141232

87141232

Murrplastik

MEDIUM GROMMET KDT/X 13-14MM

17

GRO025121A

GRO025121A

Richco, Inc. (Essentra Components)

GROMMET 0.156" PVC BLACK

7828

28566.6

28566.6

Conta-Clip

KDS SMALL SEALING SLEEVE 6MM

63

28580.6

28580.6

Conta-Clip

KDS LARGE SEALING SLEEVE 19MM

100

PGSG-6

PGSG-6

Richco, Inc. (Essentra Components)

GROMMET EDGE SOLID PE NAT 1=100'

15

F310-9102-02

F310-9102-02

Jacob

FRAME SET KADL

5

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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