Bushings, Grommets

Image Part Number Description / PDF Quantity Rfq
87121228

87121228

Murrplastik

SMALL GROMMET KDT/ZE 12-13MM

165

22MP01015

22MP01015

Richco, Inc. (Essentra Components)

BUSHING 0.250" NYLON BLACK

8873

F310-9102-01

F310-9102-01

Jacob

FRAME SET KADL

8

0801711

0801711

Phoenix Contact

FRAME GROMMET ELASTOMER GRAY

211

MGS-1-01

MGS-1-01

Richco, Inc. (Essentra Components)

GROMMET EDGE SLOT NYLON NATURAL

583

23MP15L10

23MP15L10

Richco, Inc. (Essentra Components)

BUSHING W/STR RELIEF NYLON BLACK

3000

87141744

87141744

Murrplastik

KDT/X-FDA 19 GROMMET 19-20 MM

144

0801700

0801700

Phoenix Contact

FRAME GROMMET ELASTOMER GRAY

0

PGSB-31

PGSB-31

Richco, Inc. (Essentra Components)

BUSHING 0.766" NYLON BLACK

1338

87121232

87121232

Murrplastik

SMALL GROMMET KDT/ZE 14-15MM

104

87121284

87121284

Murrplastik

SMALL GROMMET KDT/ZE 2X4MM OP

92

SNGS-1B

SNGS-1B

Richco, Inc. (Essentra Components)

GROM EDGE SLOT NYLON BLK 1=100'

7

RFG12X8Y

RFG12X8Y

Panduit Corporation

RAISED FLOOR AIR SEALING GROMMET

0

87171218

87171218

Murrplastik

SMALL GROMMET KDT/Z 6-7MM RAN

413

2584570000

2584570000

Weidmuller

SEALING ELEMENT GRAY, SMALL

903090

F305-9240-00

F305-9240-00

Jacob

CABLE ENTRY PLATE

21

28561.6

28561.6

Conta-Clip

KDS SMALL SEALING SLEEVE BLIND

163

UFE 53PM6X4

UFE 53PM6X4

PFLITSCH

PG 16 6X4MM U 20.2

50

RFG10X8Y

RFG10X8Y

Panduit Corporation

RAISED FLOOR AIR SEALING GROMMET

0

GR3002A

GR3002A

Richco, Inc. (Essentra Components)

GROMMET 0.250" RUBBER BLACK

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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