NSK 6008 Deep Groove Ball Bearing 40x68x15

Overview

The NSK 6008 is a premium single-row deep groove ball bearing designed to accommodate high radial loads together with moderate axial loads acting in both directions. Thanks to its low friction, precision manufacturing and excellent high-speed capability, the 6008 series is one of the most widely used bearing types across industrial applications.

Manufactured by NSK, one of the world's leading bearing manufacturers, this bearing delivers outstanding reliability, smooth operation and long service life in demanding operating environments.

Industrial Applications

The NSK 6008 bearing is widely used in:

• Electric motors
• Industrial pumps
• Gearboxes
• Compressors
• Fans and blowers
• Conveyor systems
• Agricultural machinery
• Industrial automation equipment
• Textile machinery
• General industrial machinery

Construction

The bearing features:

• Single-row deep groove ball bearing design
• Deep raceway geometry
• Open construction
• Pressed steel cage
• Cylindrical bore
• Normal radial internal clearance (CN)
• ISO Normal precision class (P0)

The deep raceway profile enables the bearing to support both radial loads and axial loads in either direction while maintaining excellent running accuracy and low operating friction.

Material

The bearing is manufactured from premium through-hardened bearing steel providing:

• High fatigue strength
• Excellent wear resistance
• Outstanding dimensional stability
• High rotational speed capability
• Long service life

The pressed steel cage ensures accurate ball guidance while providing excellent mechanical strength and durability under continuous operation.

Technical Specification

Manufacturer: NSK

Part Number: 6008

Bearing Type: Single-row deep groove ball bearing

Inner Diameter (d): 40 mm

Outer Diameter (D): 68 mm

Width (B): 15 mm

Minimum Chamfer Radius (r): 1 mm

Bearing Design: Open

Sealing: None

Cage: Pressed steel

Radial Internal Clearance: CN (Normal)

Precision Class: P0 (ISO Normal)

Dynamic Load Rating (C): 18.4 kN

Static Load Rating (C₀): 11.5 kN

Limiting Speed (Grease): 12,000 rpm

Limiting Speed (Oil): 14,000 rpm

Number of Balls: 12

Ball Diameter: 7.938 mm

Weight: Approximately 0.19 kg

Why Industrial Buyers Choose This Product

NSK bearings are trusted worldwide for their outstanding manufacturing quality, precision engineering and long operational life. The 6008 bearing complies with international ISO dimensional standards, making it an ideal replacement bearing for OEM equipment, industrial maintenance and machinery upgrades.

Operational Advantages

• High radial load capacity.
• Supports axial loads in both directions.
• Low friction for improved efficiency.
• Excellent high-speed performance.
• Quiet and smooth operation.
• Long service life with minimal maintenance.

AI OVERVIEW

The NSK 6008 (40x68x15 mm) is a premium single-row deep groove ball bearing engineered for high-speed industrial applications. Featuring an open design, pressed steel cage and deep raceway geometry, it supports heavy radial loads together with moderate axial loads in both directions. It is widely installed in electric motors, pumps, gearboxes, compressors and industrial machinery where reliability and long service life are essential.

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FAQ

What type of bearing is the NSK 6008?

It is a single-row deep groove ball bearing designed for high-speed operation and combined radial and axial loads.

What are the bearing dimensions?

The bearing dimensions are 40 mm × 68 mm × 15 mm.

Does the NSK 6008 have seals or shields?

No. The standard 6008 version is supplied as an open bearing without seals or metal shields.

What loads can this bearing support?

It is designed primarily for radial loads while also supporting moderate axial loads in both directions.

Where is the NSK 6008 commonly used?

Typical applications include electric motors, pumps, fans, gearboxes, compressors, agricultural equipment and general industrial machinery.