Bushings, Grommets

Image Part Number Description / PDF Quantity Rfq
UFE 55P20

UFE 55P20

PFLITSCH

PG 29 KAD 20,5-17,0MM

24

GEE62F-C

GEE62F-C

Panduit Corporation

GROMMET EDGE SLOT NAT 1=100'

38182

GES62F-C

GES62F-C

Panduit Corporation

GROMMET EDGE SOLID NAT 1=100'

48

22MP25031W

22MP25031W

Richco, Inc. (Essentra Components)

BUSHING 1.965" NYLON WHITE

200

PGSB-0710

PGSB-0710

Richco, Inc. (Essentra Components)

BUSHING 0.284" NYLON BLACK

1848

PGSB-1013

PGSB-1013

Richco, Inc. (Essentra Components)

BUSHING 0.402" NYLON BLACK

8894

22MP01020

22MP01020

Richco, Inc. (Essentra Components)

BUSHING 0.343" NYLON BLACK

10000

GRO037091A

GRO037091A

Richco, Inc. (Essentra Components)

GROMMET 0.250" PVC BLACK

9513

FHD

FHD

HellermannTyton

GROMMET EDGE SLOT NYLON NATURAL

0

23MP06L10

23MP06L10

Richco, Inc. (Essentra Components)

STRAIN RELIEF, ROUND CABLE, CABL

3374

GR3173A

GR3173A

Richco, Inc. (Essentra Components)

GROMMET 1.500" RUBBER BLACK

0

UFE 54P18

UFE 54P18

PFLITSCH

PG 21 KAD 18,0- 14,0MM

99

PGSB-2A

PGSB-2A

Richco, Inc. (Essentra Components)

BUSHING SPLIT 0.312" NYLON BLACK

3275

CH20X141-48

CH20X141-48

Richco, Inc. (Essentra Components)

GROMMET EDGE SOLID PS 4'

353

251-30309

251-30309

HellermannTyton

GROMMET EDGE SLOT NATURAL

0

DG-19430

DG-19430

Richco, Inc. (Essentra Components)

GROMMET 0.980" PVC BLACK

0

0801707

0801707

Phoenix Contact

FRAME GROMMET ELASTOMER GRAY

0

23MP05N40

23MP05N40

Richco, Inc. (Essentra Components)

STRAIN RELIEF, ROUND CABLE, CABL

8875

MHB-20

MHB-20

SAB North America

MULTI-HOLE BUSHING: 4X5 FITS SAB

76

0801690

0801690

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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