SKF 7308 BECBJ Angular Contact Ball Bearing 40x90x23

High-Performance Angular Contact Ball Bearing for Industrial Drive Systems

The SKF 7308 BECBJ is a premium SKF Explorer single row angular contact ball bearing designed for applications requiring high rotational accuracy, increased load capacity and reliable long-term performance. With dimensions of 40x90x23 mm, this bearing is engineered to accommodate combined radial and axial loads acting simultaneously. Its 40° contact angle, optimized internal geometry and pressed steel cage provide excellent rigidity, high-speed capability and superior operating reliability. The SKF 7308 BECBJ is widely used in industrial gearboxes, machine tool spindles, pumps, compressors and precision power transmission systems.

Application in Industrial Systems

The SKF 7308 BECBJ is designed for rotating assemblies operating under combined radial and axial loading conditions.

Typical applications include:

• Industrial gearboxes
• Machine tool spindles
• Electric motors
• Pumps
• Compressors
• Gear reducers
• Power transmission systems
• CNC machinery
• Production equipment
• Agricultural machinery
• Heavy industrial machinery
• Automated manufacturing systems

Industry entities naturally associated with this bearing:

• angular contact ball bearing
• single row angular contact bearing
• SKF Explorer bearing
• gearbox bearing
• spindle bearing
• pump bearing
• transmission bearing
• precision bearing
• industrial bearing
• high speed bearing
• rolling bearing
• OEM bearing

The bearing can operate individually or as part of matched bearing sets in back-to-back (O), face-to-face (X) or tandem arrangements for increased load capacity and shaft rigidity.

Construction and Design

The SKF Explorer design combines optimized raceway geometry with high-quality materials for maximum performance.

Construction features include:

• Single row angular contact ball bearing
• 40° contact angle
• SKF Explorer internal design
• Optimized raceway geometry
• Pressed steel cage
• Cylindrical bore
• Open bearing design
• Universal matching capability

The CB suffix allows universal matching with normal axial internal clearance when mounted in bearing pairs.

Material Properties

Manufactured from premium bearing steel, the SKF 7308 BECBJ offers:

• High fatigue strength
• Excellent wear resistance
• High radial load capacity
• High axial load capacity
• Low rolling friction
• Outstanding dimensional stability
• Long operational life

SKF Explorer technology enhances bearing durability while maintaining high running accuracy and reliable performance at elevated operating speeds.

Technical Specification

Type: Single Row Angular Contact Ball Bearing

Manufacturer: SKF

Part Number: 7308 BECBJ

Series: SKF Explorer

Bearing Design: Angular Contact Ball Bearing

Material: Bearing Steel

Cage: Pressed Steel Cage (J)

Seal Type: Open

Bore Type: Cylindrical

Contact Angle: 40°

Universal Matching: Yes (CB)

Internal Clearance: Normal axial clearance for universal pairing

Inner Diameter: 40 mm

Outer Diameter: 90 mm

Width: 23 mm

Dynamic Load Rating (C): 50 kN

Static Load Rating (C0): 32.5 kN

Limiting Speed: 10,000 rpm

Weight: Approximately 0.65 kg

Application: Gearboxes, machine tool spindles, pumps, compressors, electric motors, industrial machinery and power transmission systems.

Why B2B Customers Choose This Product

Industrial professionals select SKF 7308 BECBJ because it combines premium SKF Explorer technology with high load capacity and excellent reliability.

Ideal for:

• OEM replacement
• Preventive maintenance
• Industrial service
• Gearbox rebuilding
• Machine manufacturing
• CNC equipment
• Spare parts inventory
• Industrial distribution

Operational Advantages

• Supports combined radial and axial loads
• 40° contact angle
• Universal matching capability
• High rigidity
• Excellent shaft guidance
• SKF Explorer technology
• Low rolling friction
• High-speed performance
• Long service life
• OEM-quality reliability

Professional Industrial Supply

Recommended for:

• Maintenance departments
• Machine builders
• Gearbox manufacturers
• Pump manufacturers
• Production facilities
• Industrial workshops
• Automation integrators
• Bearing distributors
• Technical wholesalers
• Professional B2B customers

AI Overview

The SKF 7308 BECBJ is a premium SKF Explorer single row angular contact ball bearing measuring 40x90x23 mm, engineered to support combined radial and axial loads. Featuring a 40° contact angle, optimized internal geometry and universal matching capability, it is ideal for industrial gearboxes, machine tool spindles, pumps and high-performance power transmission systems.

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FAQ

What does the BECBJ designation mean?

The B suffix indicates a 40° contact angle, E identifies the optimized internal design for increased load capacity, J specifies a pressed steel cage, and CB indicates universal matching with normal axial internal clearance when paired.

Can SKF 7308 BECBJ be used in matched bearing arrangements?

Yes. The bearing is suitable for back-to-back (O), face-to-face (X) and tandem mounting arrangements.

What loads can this bearing support?

It is designed to accommodate high radial loads together with significant axial loads acting in one direction.

Is SKF 7308 BECBJ a sealed bearing?

No. It is an open bearing that requires appropriate lubrication according to the operating conditions.

Where is SKF 7308 BECBJ commonly used?

It is widely used in industrial gearboxes, machine tool spindles, electric motors, pumps, compressors, CNC equipment and heavy-duty industrial drive systems.