Bushings, Grommets

Image Part Number Description / PDF Quantity Rfq
22MP08711

22MP08711

Richco, Inc. (Essentra Components)

SNAP IN BUSHING, BLACK, HS NYLON

36864

PGSB-39

PGSB-39

Richco, Inc. (Essentra Components)

BUSHING 1.312" NYLON BLACK

1082

GRO175121A

GRO175121A

Richco, Inc. (Essentra Components)

GROMMET 1.500" PVC BLACK

1246

GR3400A

GR3400A

Richco, Inc. (Essentra Components)

GROMMET 0.266" RUBBER BLACK

1792

22AF1093W

22AF1093W

Richco, Inc. (Essentra Components)

BUSHING 0.812" NYLON WHITE

1975

22MP03123W

22MP03123W

Richco, Inc. (Essentra Components)

BUSHING 0.187" NYLON WHITE

1990

22MP15018W

22MP15018W

Richco, Inc. (Essentra Components)

BUSHING 1.125" NYLON WHITE

500

PGSA-2327A

PGSA-2327A

Richco, Inc. (Essentra Components)

BUSHING SPLIT 0.902" NYLON BLACK

1549

22MP17522

22MP17522

Richco, Inc. (Essentra Components)

BUSHING 1.375" NYLON BLACK

9763

R3L2-C

R3L2-C

Richco, Inc. (Essentra Components)

GROMMET SPLIT 0.188" NYLON WHITE

4914

QFG-16229

QFG-16229

Richco, Inc. (Essentra Components)

GROMMET QUICK-FIT BLK 1.1 T-.37

994

GRD1075091PA

GRD1075091PA

Richco, Inc. (Essentra Components)

DIAPHRAGM GROMMET - TWO SIDED CU

4934

PGSG-2.5B

PGSG-2.5B

Richco, Inc. (Essentra Components)

GROMM EDGE SOLID PE BLK 1=100'

3

23MP04K40

23MP04K40

Richco, Inc. (Essentra Components)

STRAIN RELIEF, FLAT CABLE, CABLE

0

SNGSG-3

SNGSG-3

Richco, Inc. (Essentra Components)

GROMM EDGE SLOT NYLON NAT 1=100'

2

22MP11815W

22MP11815W

Richco, Inc. (Essentra Components)

BUSHING 0.937" NYLON WHITE

1000

GRE34075A

GRE34075A

Richco, Inc. (Essentra Components)

GROMMET STRIP, ROLL, PVC, UNSERR

3

22MP13716

22MP13716

Richco, Inc. (Essentra Components)

SNAP FIT BUSHING: 1.000 IN (25.4

14207

PGSB-35

PGSB-35

Richco, Inc. (Essentra Components)

BUSHING 0.937" NYLON BLACK

501

SPGSG-2.5

SPGSG-2.5

Richco, Inc. (Essentra Components)

GROMMET EDGE SLOT PE NAT 1=100'

22

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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