Bushings, Grommets

Image Part Number Description / PDF Quantity Rfq
23MP02M40

23MP02M40

Richco, Inc. (Essentra Components)

BUSHING W/STR RELIEF NYLON BLACK

9983

22MP04375W

22MP04375W

Richco, Inc. (Essentra Components)

BUSHING 0.312" NYLON WHITE

5000

28536.4

28536.4

Conta-Clip

KDS LARGE SEALING SLEEVE 16MM

100

NGSG-3

NGSG-3

Richco, Inc. (Essentra Components)

GROM EDGE SOLID NYLON NAT 1=100'

3

MHB-30

MHB-30

SAB North America

MULTI-HOLE BUSHING: 3X8 FITS SAB

160

87171224

87171224

Murrplastik

SMALL GROMMET KDT/Z 9-10MM RA

409

QFG-16209

QFG-16209

Richco, Inc. (Essentra Components)

GROMMET 0.940" PVC BLACK

948

0801616

0801616

Phoenix Contact

FRAME GROMMET RUBBER BLACK

387

2584060000

2584060000

Weidmuller

SEALING ELEMENT BLACK, SMALL

10210

GEE144F-A-C0

GEE144F-A-C0

Panduit Corporation

GROMMET EDGE SLOT BLACK 1=100'

25

MSG-1.3-C

MSG-1.3-C

Panduit Corporation

GROMMET METAL STUD

17400

28576.6

28576.6

Conta-Clip

KDS LARGE SEALING SLEEVE 15MM

100

F305-9240-05

F305-9240-05

Jacob

CABLE ENTRY PLATE

4

0801719

0801719

Phoenix Contact

FRAME GROMMET RUBBER BLACK

172423

RFG12X4SMY

RFG12X4SMY

Panduit Corporation

RAISED FLOOR AIR SEALING GROMMET

0

87141212

87141212

Murrplastik

SMALL GROMMET KDT/X 3-4MM RAN

86

SRB-R-4

SRB-R-4

Richco, Inc. (Essentra Components)

BUSHING W/STR RELIEF NYLON BLACK

4083

MGS-6-01

MGS-6-01

Richco, Inc. (Essentra Components)

GROMMET EDGE SLOT NYLON NATURAL

901

8492

8492

Keystone Electronics Corp.

BUSHING SPLIT 0.390" NYLON BLACK

3300

0801701

0801701

Phoenix Contact

FRAME GROMMET ELASTOMER GRAY

0

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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