BELLMotor Couplers for Circulator Pumps

BELL & GOSSETT Circulating Pump Coupler: Mfr Part # 186410

The BELL & GOSSETT Circulating Pump Coupler, manufacturer part number 186410, is a cast-iron motor coupler designed for Bell & Gossett E-60 series circulator pumps. It is compatible with Grainger part number 4RD15…

SKU 3G-OTH-83505

Brand

BELL

Item

& GOSSETT Circulating Pump Coupler: Mfr Part # 186410

Technical Specifications

BELL

Manufacturer Part Number

186410

Coupling Material

Cast Iron 

Compatible with Brand

Bell & Gossett 

Compatible with Series

E-60 

Compatible with Grainger Part Number

4RD15 

Compatible with Manufacturer Model Number

613S 

View Full Spec Sheet

Technical Documents

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BELL Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is the BELL & GOSSETT circulating pump coupler 186410 used for?

This cast-iron coupler connects the motor shaft to the pump shaft in Bell & Gossett E-60 series circulator pumps. It transmits torque to drive the impeller in hydronic heating and cooling systems, ensuring reliable fluid circulation in commercial and industrial HVAC applications.

What are the specifications of the BELL & GOSSETT pump coupler 186410?

The BELL & GOSSETT circulating pump coupler, part number 186410, is made of cast iron. It is compatible with Bell & Gossett E-60 series pumps, Grainger part number 4RD15, and manufacturer model number 613S. It serves as a direct replacement motor coupler for these circulator pump models.

Where to buy the BELL & GOSSETT 186410 coupler worldwide?

3G Electric supplies the BELL & GOSSETT 186410 cast-iron coupler to customers worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the BELL & GOSSETT 186410 pump coupler?

To install the 186410 coupler, first disconnect power and isolate the pump. Remove the old coupler by loosening set screws on both motor and pump shafts. Align the new cast-iron coupler onto the shafts, tighten set screws evenly, and verify free rotation before restoring power. Follow pump manufacturer guidelines.

Used in

Common applications for BELL

Hydronic heating systems — BELL & GOSSETT Series 60 circulator pump impellers (p82880) for closed-loop hot water circulation.

Commercial HVAC maintenance — BELL & GOSSETT flange hardware kits (P64910) for securing pump flanges in chiller and boiler rooms.

Industrial fluid handling — BELL & GOSSETT isolation flanges (101223LF) for isolating pumps in process piping systems.

Outdoor electrical installations — BELL weatherproof covers (5028-0) for protecting receptacles in NEMA 3R environments.

Floor box access in commercial buildings — BELL brass floor box covers (6249) for flush-mounted electrical outlets in concrete floors.

Pump repair and retrofit — BELL & GOSSETT bearing assemblies (189105LF) for in-line circulating pumps in Series PR applications.

BELL Products

3G Electric supplies BELL motor couplers for circulator pumps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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