Bushings, Grommets

Image Part Number Description / PDF Quantity Rfq
22MP20026W

22MP20026W

Richco, Inc. (Essentra Components)

BUSHING 1.625" NYLON WHITE

2855

PGS-1

PGS-1

Richco, Inc. (Essentra Components)

GROMMET EDGE SOLID PE NAT 1=100'

19

87121246

87121246

Murrplastik

LARGE GROMMET KDT/ZE 21-22MM

35

28652.4

28652.4

Conta-Clip

KES-R 16/24 BK

20

SRB-R-1

SRB-R-1

Richco, Inc. (Essentra Components)

BUSHING W/STR RELIEF NYLON BLACK

4292

GE006A

GE006A

Richco, Inc. (Essentra Components)

GROMMET STRIP, ROLL, PE, UNSERRA

7

28542.4

28542.4

Conta-Clip

KDS LARGE SEALING SLEEVE 22MM

100

GE128-C

GE128-C

Panduit Corporation

GROMMET EDGE SLOT NATURAL

278

87121214

87121214

Murrplastik

SMALL GROMMET KDT/ZE 5-6MM RA

633

2584080000

2584080000

Weidmuller

SEALING ELEMENT BLACK, SMALL

203290

NGS-2

NGS-2

Richco, Inc. (Essentra Components)

GROM EDGE SOLID NYLON NAT 1=100'

6

8476

8476

Keystone Electronics Corp.

BUSHING 0.500" NYLON BLACK

11044800

0801632

0801632

Phoenix Contact

FRAME GROMMET RUBBER BLACK

223

04MP0125ATB

04MP0125ATB

Richco, Inc. (Essentra Components)

LAMP ANTI-TWIST BUSHING 1/8 .390

681

28642.4

28642.4

Conta-Clip

KES-GB 16/24 BK

30

SNGSG-2.5

SNGSG-2.5

Richco, Inc. (Essentra Components)

GROMMET EDGE SLOT NYLON NAT 100'

774

GRO125031A

GRO125031A

Richco, Inc. (Essentra Components)

GROMMET 1.000" PVC BLACK

0

RAYRIM-NR9-0-SP

RAYRIM-NR9-0-SP

TE Connectivity Raychem Cable Protection

GROMMET EDGE SOLID PO BLACK 50M

0

GEE62F-A-C0

GEE62F-A-C0

Panduit Corporation

GROMMET EDGE SLOT BLACK 1=100'

171

0801683

0801683

Phoenix Contact

FRAME GROMMET ELASTOMER GRAY

9

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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