Bushings, Grommets

Image Part Number Description / PDF Quantity Rfq
22MP30039W

22MP30039W

Richco, Inc. (Essentra Components)

BUSHING 2.470" NYLON WHITE

100

28521.4

28521.4

Conta-Clip

KDS SMALL SEALING SLEEVE 2MM

153

0801629

0801629

Phoenix Contact

FRAME GROMMET RUBBER BLACK

39

2583450000

2583450000

Weidmuller

SEALING ELEMENT GRAY, SMALL

17460

2-350377-0

2-350377-0

TE Connectivity AMP Connectors

BUSHING SPLIT 0.156" PVC BLACK

7442

PGSB-9A

PGSB-9A

Richco, Inc. (Essentra Components)

BUSHING SPLIT 0.803" NYLON BLACK

945

2584440000

2584440000

Weidmuller

SEALING ELEMENT GRAY, LARGE

120130

22AF0812W

22AF0812W

Richco, Inc. (Essentra Components)

BUSHING 0.500" NYLON WHITE

2000

28538.4

28538.4

Conta-Clip

KDS LARGE SEALING SLEEVE 18MM

100

MCCG-6N

MCCG-6N

Richco, Inc. (Essentra Components)

GROMMET EDGE SLOT SS BLK 1=100'

1

22MP40055

22MP40055

Richco, Inc. (Essentra Components)

BUSHING 3.460" NYLON BLACK

250

22MP02502W

22MP02502W

Richco, Inc. (Essentra Components)

BUSHING 0.125" NYLON WHITE

7961

2583880000

2583880000

Weidmuller

SEALING ELEMENT BLACK, LARGE

10610

23MP09P20

23MP09P20

Richco, Inc. (Essentra Components)

BUSHING W/STR RELIEF NYLON BLACK

992

5101

5101

Davies Molding, LLC.

RUBBER GROMMET BLACK FOR CUT-OUT

0

1410440

1410440

Phoenix Contact

CES-STPG-GY-2X9

382

GRE34074A

GRE34074A

Richco, Inc. (Essentra Components)

GROMMET STRIP, ROLL, PVC, UNSERR

2

22MP03753W

22MP03753W

Richco, Inc. (Essentra Components)

BUSHING 0.187" NYLON WHITE

1422

FPG

FPG

HellermannTyton

GROMMET EDGE SLOT PE NATURAL

0

83723458

83723458

Murrplastik

CONDUIT END GROMMET FOR M25 COND

75

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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