Bushings, Grommets

Image Part Number Description / PDF Quantity Rfq
GR3219A

GR3219A

Richco, Inc. (Essentra Components)

GROMMET 0.500" RUBBER BLACK

290

SPGSG-7

SPGSG-7

Richco, Inc. (Essentra Components)

GROMMET EDGE SLOT PE NAT 1=100'

71

SPGSG-2B

SPGSG-2B

Richco, Inc. (Essentra Components)

GROMMET EDGE SLOT PE BLK 100'

6

GRO068121A

GRO068121A

Richco, Inc. (Essentra Components)

GROMMET 0.500" PVC BLACK

0

QFG-1

QFG-1

Richco, Inc. (Essentra Components)

GROMMET HOLE FLEX BLK .787 HOLE

1753

PGSA-2529A

PGSA-2529A

Richco, Inc. (Essentra Components)

BUSHING SPLIT 0.965" NYLON BLACK

2897

87121242

87121242

Murrplastik

LARGE GROMMET KDT/ZE 19-20MM

40

28577.6

28577.6

Conta-Clip

KDS LARGE SEALING SLEEVE 16MM

75

ASB0A

ASB0A

Richco, Inc. (Essentra Components)

ARMOR BUSHING, 5/16 IN

26891

2583610000

2583610000

Weidmuller

MULTIPLE SEALING ELEMENT BLACK,

9770

UFE 55PM1X6.7/2X10.7

UFE 55PM1X6.7/2X10.7

PFLITSCH

PG 29 1X6,7/2X10,7MM

25

2583540000

2583540000

Weidmuller

MULTIPLE SEALING ELEMENT BLACK,

10090

23MP03P40

23MP03P40

Richco, Inc. (Essentra Components)

BUSHING W/STR RELIEF NYLON BLACK

3994

GRO075062A

GRO075062A

Richco, Inc. (Essentra Components)

GROMMET 0.629" PVC BLACK

0

23MP03020

23MP03020

Richco, Inc. (Essentra Components)

BUSHING W/STR RELIEF NYLON BLACK

998

22MP03753

22MP03753

Richco, Inc. (Essentra Components)

SNAP IN BUSHING, BLACK, HS NYLON

11538

GES99F-A-C0

GES99F-A-C0

Panduit Corporation

GROMMET EDGE SOLID BLACK 1=100'

9317

2583520000

2583520000

Weidmuller

SPECIAL SEALING ELEMENT ASI BLAC

8030

23MP34-2X

23MP34-2X

Richco, Inc. (Essentra Components)

BUSHING W/STR RELIEF NYLON BLACK

8000

87141210

87141210

Murrplastik

SMALL GROMMET KDT/X 2-3MM RAN

119

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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