| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
Keystone Electronics Corp. |
GROMMET 0.250" RUBBER BLACK |
2147483647 |
|
 |
Keystone Electronics Corp. |
BUSHING 1.968" NYLON BLACK |
2184 |
|
 |
Keystone Electronics Corp. |
GROMMET 0.125" RUBBER BLACK |
13631300 |
|
 |
Keystone Electronics Corp. |
BUSHING SPLIT 0.671" NYLON BLACK |
700 |
|
 |
Keystone Electronics Corp. |
BUSHING 0.562" NYLON BLACK |
500 |
|
 |
Keystone Electronics Corp. |
BUSHING 0.125" NYLON BLACK |
16000 |
|
 |
Keystone Electronics Corp. |
BUSHING 1.625" NYLON BLACK |
300 |
|
 |
Keystone Electronics Corp. |
BUSHING SPLIT 0.265" NYLON BLACK |
22735200 |
|
 |
Keystone Electronics Corp. |
BUSHING 1.375" NYLON BLACK |
600 |
|
 |
Keystone Electronics Corp. |
BUSHING 0.500" NYLON BLACK |
11044800 |
|
 |
Keystone Electronics Corp. |
GROMMET 0.500" RUBBER BLACK |
73200 |
|
 |
Keystone Electronics Corp. |
BUSHING 0.937" NYLON BLACK |
50865800 |
|
 |
Keystone Electronics Corp. |
GROMMET 0.562" RUBBER BLACK |
162900 |
|
 |
Keystone Electronics Corp. |
GROMMET ADJ 0.380" RUBBER BLACK |
408600 |
|
 |
Keystone Electronics Corp. |
BUSHING 0.625" NYLON BLACK |
24185600 |
|
 |
Keystone Electronics Corp. |
GROMMET 0.375" RUBBER BLACK |
14435200 |
|
 |
Keystone Electronics Corp. |
BUSHING SPLIT 0.312" NYLON BLACK |
416213100 |
|
 |
Keystone Electronics Corp. |
BUSHING 0.312" NYLON BLACK |
290226300 |
|
 |
Keystone Electronics Corp. |
BUSHING 0.750" NYLON BLACK |
41043500 |
|
 |
Keystone Electronics Corp. |
BUSHING SPLIT 0.390" NYLON BLACK |
3300 |
|
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.
| Type | Functional Features | Application Examples |
|---|---|---|
| Rubber Bushings | Elastomeric material for vibration damping, waterproof sealing | Automotive wiring harnesses, marine equipment |
| Plastic Grommets | Lightweight, chemical-resistant, low-friction surface | Consumer electronics, HVAC systems |
| Metallic Bushings | High mechanical strength, EMI shielding capabilities | Aerospace avionics, industrial machinery |
| Multi-hole Bushings | Integrated cable separation, strain relief | Data centers, control panels |
| Sealed Grommets | IP65+ protection rating, dust/water ingress prevention | Outdoor telecom cabinets, renewable energy systems |
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
| Parameter | Description | Importance |
|---|---|---|
| Material Temperature Range | -40 C to +150 C (varies by material) | Determines environmental compatibility |
| Protection Rating (IP) | IP54 to IP68 | Defines ingress protection level |
| Size Range | 3mm to 150mm diameter | Affects cable compatibility |
| Compression Force | 5-50N/mm | Influences sealing performance |
| Flammability Rating | UL94 V-0, VW-1 | Safety compliance indicator |
| Installation Method | Push-in, screw-mount, adhesive | Impacts maintenance efficiency |
| Manufacturer | Key Products | Technical Highlights |
|---|---|---|
| HellermannTyton | Sealed Cable Glands Series 680 | IP68 rating, -40 C cold-crack resistance |
| Panduit | Multi-Cable Transit Bushings | UL94 V-0 flame rating, 20+ cable capacity |
| 3M | Scotch Cable Grommets | Self-sealing silicone material, EMI shielding |
| TE Connectivity | DEUTSCH DuraGrommet | 10,000 insertion durability, aerospace qualified |
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)
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
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.