Bushings, Grommets

Image Part Number Description / PDF Quantity Rfq
PGSB-1316A

PGSB-1316A

Richco, Inc. (Essentra Components)

BUSHING SPLIT 0.410" NYLON BLACK

665

UFE 54PM1X6/1X8

UFE 54PM1X6/1X8

PFLITSCH

PG 21 1X6/1X8MM U 20.2

49

0801714

0801714

Phoenix Contact

FRAME GROMMET ELASTOMER GRAY

9

GRO087121A

GRO087121A

Richco, Inc. (Essentra Components)

GROMMET 0.625" PVC BLACK

0

RG-1

RG-1

Richco, Inc. (Essentra Components)

GROM EDGE SOLID ELAST BLK 1=100'

59

22MP08708

22MP08708

Richco, Inc. (Essentra Components)

SNAP IN BUSHING, BLACK, HS NYLON

9881

2584810000

2584810000

Weidmuller

SPECIAL SEALING ELEMENT ASI GRAY

9310

HG-3.5

HG-3.5

Richco, Inc. (Essentra Components)

GROMMET 0.217" ELASTOMER BLACK

1588

498061

498061

Richco, Inc. (Essentra Components)

OPEN HOLE GROMMET, PVC, 16.0 MM

1062

2-380936-0

2-380936-0

TE Connectivity AMP Connectors

BUSHING SPLIT 0.375" PVC BLACK

5366

28555.4

28555.4

Conta-Clip

KDS SEALING SLEEVE MULTI 5MM

87

SB-3

SB-3

Richco, Inc. (Essentra Components)

BUSHING SPLIT 0.500" NYLON BLACK

135

28655.6

28655.6

Conta-Clip

KES-R 20/24 GR

20

F311-9002-07

F311-9002-07

Jacob

GROMMET FOR KADL

60

87121291

87121291

Murrplastik

SMALL GROMMET KDT/ZE 2X8MM OP

6

QFG-16224

QFG-16224

Richco, Inc. (Essentra Components)

GROMMET 0.470" ELASTOMER BLACK

607

22MP07510

22MP07510

Richco, Inc. (Essentra Components)

SNAP IN BUSHING, BLACK, HS NYLON

38115

GRO031061A

GRO031061A

Richco, Inc. (Essentra Components)

GROMMET 0.219" PVC BLACK

3131

PGS-3

PGS-3

Richco, Inc. (Essentra Components)

GROMMET EDGE SOLID PE NAT 1=100'

12

SNGS-5

SNGS-5

Richco, Inc. (Essentra Components)

GROMM EDGE SLOT NYLON NAT 1=100'

25

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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