Baldor-Reliance Crusher Duty Motor – 5–600 hp, Severe Duty, High Torque, TEFC Cast Iron

Product Details

Quantity

100
Availability (Lead Time)

4-6 Weeks
Product Location

United States
Condition

New
Equipment code

CFIHOS-30000340

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Short Description

Baldor-Reliance Crusher Duty motors, 5–600 hp, engineered for belt-driven rock crushers and pellet mills. High torque NEMA Design A, IP55/IP66 protection, cast iron TEFC construction, inverter-ready with ABB smart sensor compatibility.

Description

Baldor-Reliance Crusher Duty Motor – 5–600 hp, Severe Duty, High Torque, TEFC Cast Iron

The Baldor-Reliance Crusher Duty Motor is purpose-built to withstand the punishing conditions of belt-driven rock crushers, pellet mills, and severe-duty industrial machinery. Designed with robust mechanical features, superior thermal characteristics, and high starting torques, this motor is ideal for continuous, high-impact applications in mining, aggregates, and heavy industry.

Offered in horsepower ratings from 5 to 600 hp and NEMA frame sizes 184T to 586, these motors feature totally enclosed fan-cooled (TEFC) cast iron construction for enhanced durability. Their rugged frames minimize vibration and bearing temperatures, significantly extending operational lifespan. The high torque NEMA Design A exceeds even NEMA Design C torque levels, ensuring reliable starts under heavy load conditions.

For motors up to 50 hp, oversized ball bearings are employed, while motors 60 hp and above use a combination ball and roller bearing system to support high radial loads. In large frames (586/7/8), features include oversized roller bearings on the drive end, insulated oversized bearings on the opposite drive end, and an oversized 4.375" shaft for maximum strength.

Protection levels are IP55 for frame sizes up to L449 and IP66 for 586/7/8 frames, with embossed 304 stainless steel nameplates for long-term identification even in corrosive environments. Motors are inverter-ready, clearly marked for variable frequency drive (VFD) integration, and compatible with ABB Smart Sensors for real-time performance monitoring.

This line meets the demands of the harshest environments, delivering superior torque, reliability, and long-term value.

Specifications:

– Motor Type: Severe Duty, Crusher Duty TEFC Motor
– Power Range: 5 to 600 hp
– NEMA Frame Sizes: 184T to 586
– Voltage Options: 460V, 575V
– Mounting: Foot-mounted
– Enclosure: TEFC (Totally Enclosed Fan Cooled)
– Frame Material: Heavy-duty cast iron
– Insulation Class: Class F
– Service Factor:

1.25 SF (up to 100 hp)

1.15 SF (above 100 hp)
– Torque Design: High Torque NEMA Design A (exceeds NEMA Design C)
– Bearings:

Oversized ball bearings (≤50 hp)

Combination ball and roller bearings (≥60 hp)

586/7/8:

Oversized DE roller bearing

Insulated oversized ODE bearing

4.375" shaft diameter
– Protection Rating:

IP55 (up to L449)

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Technical Details

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