Bushings, Grommets

Image Part Number Description / PDF Quantity Rfq
23MP31-20

23MP31-20

Richco, Inc. (Essentra Components)

BUSHING W/STR RELIEF NYLON BLACK

845

22MP06879

22MP06879

Richco, Inc. (Essentra Components)

SNAP IN BUSHING, BLACK, HS NYLON

4982

87663032

87663032

Murrplastik

KDP 90/28 ALU CABLE ENTRY PLATE

11

PGSA-1519A

PGSA-1519A

Richco, Inc. (Essentra Components)

BUSHING SPLIT 0.563" NYLON BLACK

6774

22MP05005

22MP05005

Richco, Inc. (Essentra Components)

SNAP IN BUSHING, BLACK, HS NYLON

18665

23MP07W20

23MP07W20

Richco, Inc. (Essentra Components)

BUSHING W/STR RELIEF NYLON BLACK

4900

0801705

0801705

Phoenix Contact

FRAME GROMMET ELASTOMER GRAY

0

22AF0875

22AF0875

Richco, Inc. (Essentra Components)

ALL FIT BUSHING, BLACK, HS NYLON

46754

22MP15017W

22MP15017W

Richco, Inc. (Essentra Components)

BUSHING 1.062" NYLON WHITE

250

GRO025062A

GRO025062A

Richco, Inc. (Essentra Components)

GROMMET 0.188" PVC BLACK

5345

23MP04KEZH

23MP04KEZH

Richco, Inc. (Essentra Components)

BUSHING W/STR RELIEF NYLON BLACK

1999

22MP04376

22MP04376

Richco, Inc. (Essentra Components)

SNAP IN BUSHING, BLACK, HS NYLON

4987

HG-9

HG-9

Richco, Inc. (Essentra Components)

GROMMET 0.558" ELASTOMER BLACK

4970

23MP04J40

23MP04J40

Richco, Inc. (Essentra Components)

BUSHING W/STR RELIEF NYLON BLACK

977

22MP10915W

22MP10915W

Richco, Inc. (Essentra Components)

BUSHING 0.937" NYLON WHITE

500

NGS-1

NGS-1

Richco, Inc. (Essentra Components)

GROM EDGE SOLID NYLON NAT 1=100'

5

RFG6X8SMY

RFG6X8SMY

Panduit Corporation

RAISED FLOOR AIR SEALING GROMMET

6

22MP15018

22MP15018

Richco, Inc. (Essentra Components)

SNAP FIT BUSHING: 1.125 IN (28.6

14880

PGSD-4

PGSD-4

Richco, Inc. (Essentra Components)

BUSHING 0.560" NYLON BLACK

2080

22MP05625W

22MP05625W

Richco, Inc. (Essentra Components)

BUSHING 0.312" NYLON WHITE

2000

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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