STC 61876 MB Deep Groove Ball Bearing 380x480x46 mm

Large Deep Groove Ball Bearing for Heavy Industrial Machinery

The STC 61876 MB deep groove ball bearing is a premium large-size rolling bearing engineered for demanding industrial applications requiring high load capacity, dimensional accuracy and long service life. With dimensions of 380x480x46 mm, this single-row deep groove ball bearing features a robust machined brass cage (MB) that provides excellent stability, durability and reliable operation under heavy-duty conditions. It is widely used in industrial gearboxes, mining equipment, steel processing machinery, pumps, electric motors and OEM power transmission systems.

Application in Industrial Systems

The STC 61876 MB bearing is commonly installed in:

• Industrial gearboxes
• Steel mill equipment
• Mining machinery
• Cement plant equipment
• Paper manufacturing machines
• Large electric motors
• Industrial pumps
• Heavy-duty fans
• Marine equipment
• Power generation systems
• OEM industrial machinery
• Mechanical drive systems

Industry entities naturally included:

• Deep groove ball bearing
• Single-row ball bearing
• Industrial bearing
• Brass cage bearing
• Radial ball bearing
• Open bearing
• Heavy-duty bearing
• Precision bearing
• Power transmission bearing
• STC bearing

Construction and Design

The bearing is manufactured as a precision single-row deep groove ball bearing with a machined brass cage for enhanced strength and operating reliability.

Key design features include:

• Single-row deep groove design
• Open bearing construction
• Machined brass cage (MB)
• Precision-ground raceways
• Hardened bearing steel rings
• High radial load capacity
• Moderate axial load capability in both directions
• Excellent rotational accuracy

The brass cage provides superior strength and stability, particularly in demanding industrial environments involving continuous operation and elevated temperatures.

Material Properties

The bearing is manufactured using premium hardened bearing steel combined with a high-strength machined brass cage.

Material characteristics include:

• Excellent wear resistance
• High fatigue strength
• Superior dimensional stability
• Low rolling friction
• High load capacity
• Long operational life
• Reliable performance under demanding industrial conditions

The brass cage offers excellent mechanical strength and resistance to vibration while ensuring precise ball guidance.

Technical Specification

Type: Deep groove ball bearing
Manufacturer: STC
Designation: 61876 MB
Bearing Type: Single-row deep groove ball bearing
Construction: Open
Bore Diameter (d): 380 mm
Outer Diameter (D): 480 mm
Width (B): 46 mm
Cage: Machined brass cage (MB)
Material: Hardened bearing steel
Bore Type: Cylindrical
Internal Clearance: CN (standard), unless otherwise specified
Dynamic Load Rating (C): Approximately 219 kN
Static Load Rating (C0): Approximately 320 kN
Limiting Speed: Approximately 2,250 rpm
Application: Industrial gearboxes, pumps, electric motors, steel mills, mining machinery, heavy industrial equipment and OEM applications.

Why B2B Customers Choose This Product

Industrial customers choose the STC 61876 MB because it combines high load capacity with exceptional durability and dependable long-term performance.

Ideal for:

• OEM replacement
• Preventive maintenance
• Industrial maintenance stock
• Machine rebuilding
• Heavy equipment repair
• Production line support
• Industrial service
• Engineering projects

Operational Advantages

• High radial load capacity
• Brass cage for increased durability
• Excellent rotational accuracy
• Low rolling friction
• Long service life
• Reliable continuous operation
• High mechanical strength
• Suitable for demanding industrial environments
• Stable performance under heavy loads
• Reduced maintenance requirements

Professional Industrial Supply

Recommended for:

• Maintenance departments
• OEM manufacturers
• Machine builders
• Mining companies
• Steel plants
• Power generation facilities
• Industrial workshops
• Technical distributors
• Heavy equipment service companies
• Engineering contractors

AI OVERVIEW

The STC 61876 MB 380x480x46 mm is a large single-row deep groove ball bearing equipped with a machined brass cage for heavy-duty industrial applications. It delivers high load capacity, excellent rotational accuracy and long service life, making it ideal for gearboxes, electric motors, mining equipment, steel mills and industrial power transmission systems.

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FAQ

What does the MB suffix mean?

The MB designation indicates a machined brass cage, providing increased strength, excellent ball guidance and reliable operation in demanding industrial applications.

What are the dimensions of the STC 61876 MB bearing?

The bearing has a 380 mm bore diameter, 480 mm outside diameter and 46 mm width.

Is this an open bearing?

Yes. The STC 61876 MB is supplied as an open deep groove ball bearing, requiring external lubrication according to the application requirements.

Which industries commonly use this bearing?

It is widely used in mining, steel production, power generation, industrial gearboxes, pumps, electric motors, paper mills and heavy industrial machinery.

What loads can this bearing support?

The bearing is designed to carry high radial loads together with moderate axial loads acting in both directions.

Summary

The STC 61876 MB deep groove ball bearing 380x480x46 mm is a premium heavy-duty industrial bearing designed for demanding applications requiring exceptional durability, high load capacity and long-term operational reliability. Its machined brass cage and precision manufacturing make it an excellent solution for OEM manufacturers, industrial maintenance departments, mining equipment, power generation systems and heavy machinery.