Bearing Assembly (Series 100 Bronze)

Bell & Gossett 189034LF Bearing Assembly (Series 100 Bronze)
A genuine Bell & Gossett replacement bearing assembly used to service and restore operation on Bell & Gossett Series 100 bronze inline pumps when the correct bearing assembly is required.

Key Features

• Replacement bearing assembly for Bell & Gossett Series 100 pumps
• For 1/12 HP Series 100 pumps (bronze models only)
• Lead Free
• Listed for use with Series 100 BNFI Pumps and Series 100 AB Pumps
• Listed as replacing 189034
• Related parts commonly referenced alongside this repair include: impellers (Series 100, 100BNFI and Series 100 AB), coupler (Series 100/HV/PR/2"), and body gasket (P04080)

Compatibility & Applications

• Intended for Bell & Gossett Series 100 bronze pump applications, specifically where used with Series 100 BNFI and Series 100 AB pumps.
• Must only be used where the manufacturer specifies this exact part number: 189034LF.

Installation & Operation Notes

• Installation should be performed by a qualified hydronic/HVAC service technician.
• Reference the pump service literature and the manufacturer's bearing-assembly replacement instructions for correct disassembly/reassembly and checkout.
• Bell & Gossett notes the Series 100's three-piece, oil-lubricated design is intended for field service, with bearings/shaft/seal housed in an assembly that can be repaired or replaced; the Series 100 oil-lubricated motor is designed for minimum annual lubrication.

Maintenance & Troubleshooting

• This assembly is commonly replaced to address a pump that is leaking, locked up, noisy, or running rough - especially where lack of maintenance/lubrication contributed to bearing failure.
• Manufacturer service guidance indicates bearing-assembly service procedures for Series 100 are part of standard field service and should be done following the pump's service procedures.
• If issues persist after replacement, confirm you're servicing the correct Series 100 bronze configuration and verify whether additional related parts (e.g., gasket, coupler, impeller) are required for a complete repair.

User Reviews & Q&A Summary

• Fit and function: Reviews repeatedly describe it as an exact replacement that fits perfectly and restores pump operation.
• Problem resolution: Common repair scenarios include fixing a leaking hot water circulating pump and replacing an assembly that was locked up; users report the pump runs smooth and quiet afterward.
• Speed and uptime: Several reviewers mention fast delivery and being able to install quickly to reduce hot-water downtime.
• Buying experience: Frequent themes include good pricing, fast shipping, and positive comments about tech support/customer service.