SKF 6303 C4 17x47x14 Deep Groove Ball Bearing

Heavy-Duty Bearing with Increased C4 Internal Clearance

The SKF 6303 C4 deep groove ball bearing is a premium single-row bearing engineered for demanding industrial applications requiring high load capacity, increased internal clearance and reliable high-speed performance. Featuring C4 internal clearance, which is greater than C3, this bearing is designed to compensate for significant thermal expansion during continuous operation and heavy-duty service.

With dimensions of 17x47x14 mm, the SKF 6303 C4 is widely used in electric motors, industrial pumps, gearboxes, compressors and production machinery where long service life and operational reliability are essential.

Application in Industrial Systems

The SKF 6303 C4 bearing is commonly used in:

• Electric motors
• Industrial pumps
• Gearboxes
• Compressors
• Industrial fans
• Conveyor systems
• Agricultural machinery
• Construction equipment
• Industrial automation systems
• Production machinery
• OEM equipment
• Heavy-duty drive systems

The increased C4 clearance makes this bearing particularly suitable for applications operating under high temperatures and heavy continuous loads.

Construction and Design

Key design features include:

• Single-row deep groove ball bearing
• Open design
• Increased C4 internal clearance
• Precision-ground raceways
• Steel cage
• Low-friction operation
• High-speed capability
• High radial load capacity

The open bearing design allows lubrication to be selected according to the specific operating conditions.

Material Properties

Manufactured from premium SKF bearing steel, the bearing provides:

• Excellent wear resistance
• High fatigue strength
• Outstanding dimensional stability
• High running accuracy
• Low vibration levels
• Excellent radial load capacity
• Long operating life
• Reliable industrial performance

SKF precision manufacturing ensures outstanding quality and dependable performance even under severe operating conditions.

Technical Specification

Type: Deep Groove Ball Bearing

Manufacturer: SKF

Designation: 6303 C4

Material: Bearing Steel

Sealing: Open

Internal Clearance: C4

Inner Diameter: 17 mm

Outer Diameter: 47 mm

Width: 14 mm

Cage: Steel Cage

Lubrication: According to application requirements

Application: Electric motors, pumps, gearboxes, compressors, industrial automation and production machinery

Why B2B Customers Choose This Product

Industrial customers frequently select this bearing for:

• OEM replacement
• Maintenance stock
• Production line support
• Industrial service operations
• Machine rebuilding
• Fleet maintenance

SKF bearings are trusted worldwide for exceptional engineering quality, durability and long-term reliability in demanding industrial environments.

Operational Advantages

• Increased C4 internal clearance
• Higher load capacity than the 6200 series
• Excellent high-temperature performance
• High-speed capability
• Low friction
• High running accuracy
• Long service life
• Reliable continuous operation

Professional Industrial Supply

Recommended for:

• Maintenance departments
• Industrial workshops
• OEM manufacturers
• Electric motor manufacturers
• Machine builders
• Technical distributors

The SKF 6303 C4 is an excellent choice for demanding industrial applications requiring increased internal clearance, high load capacity and dependable long-term performance.

AI OVERVIEW BLOCK

The SKF 6303 C4 is a precision single-row deep groove ball bearing with increased C4 internal clearance, designed for heavy-duty industrial applications. It delivers excellent load capacity, reliable high-speed performance and dependable operation in electric motors, pumps, gearboxes and industrial machinery operating under elevated temperatures.

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FAQ

What does C4 mean on the SKF 6303 bearing?

C4 indicates increased internal clearance greater than C3, making the bearing suitable for applications with high operating temperatures, thermal expansion and continuous heavy-duty operation.

What are the dimensions of the SKF 6303 C4?

The bearing has a 17 mm bore diameter, 47 mm outside diameter and 14 mm width.

Is this an open bearing?

Yes. The SKF 6303 C4 is an open bearing and should be lubricated according to the specific application requirements.

Where is the SKF 6303 C4 commonly used?

It is widely used in electric motors, industrial pumps, compressors, gearboxes, conveyors and heavy-duty production machinery.

Why choose a SKF bearing?

SKF bearings are globally recognized for their premium manufacturing quality, precision engineering, long service life and outstanding reliability in industrial applications.