Bell & Gossett P78803 3JN Neoprene Coupler Sleeve
Bell & Gossett P78803 3JN Neoprene Coupler Sleeve
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Apply for Trade Account & Terms →| Performance Parameter | Engineering Baseline Value |
|---|---|
| Manufacturer Part Number | P78803 |
| Model Designation | 3JN |
| Material | Neoprene |
This durable coupling insert is engineered to provide a flexible, reliable connection between your pump motor and the bearing assembly. The Bell & Gossett P78803, commonly referred to as the 3JN sleeve, is designed to absorb minor misalignments and reduce mechanical vibration, ensuring smoother pump operation and protecting your equipment from premature wear.
As the motor shaft turns, the neoprene material acts as an elastomeric cushion that transfers torque while isolating the pump shaft from motor harmonics. By maintaining proper engagement between the two halves of the coupling, this sleeve helps prevent excessive noise and bearing strain, which are critical for long-term hydronic system health.
Key System Performance Baselines:
- Material Composition: High-grade industrial neoprene for heat and oil resistance.
- Vibration Dampening: Engineered to minimize motor-to-pump mechanical resonance.
- Compatibility: Precision fit for 3JN coupling assemblies to ensure power transmission efficiency.
- Serviceability: Designed for straightforward replacement during routine pump maintenance cycles.
⚠️ Application Profile: Essential for maintenance of Bell & Gossett series pumps utilizing 3JN style couplings; recommended for installation during annual pump seal or bearing replacements to ensure optimal alignment.
