NSK 1200 Self-Aligning Ball Bearing 10x30x9

Overview

The NSK 1200 is a high-quality double-row self-aligning ball bearing designed for applications where slight shaft deflection or housing misalignment may occur during operation. Its spherical outer raceway enables the bearing to automatically compensate for angular misalignment, reducing stress on the rolling elements and extending service life.

Manufactured by NSK, one of the world's leading bearing manufacturers, the 1200 bearing delivers high rotational accuracy, low friction and reliable operation in industrial equipment. Its compact dimensions and self-aligning capability make it an excellent choice for machinery requiring smooth, efficient and dependable performance.

Industrial Applications

The NSK 1200 is widely used in:

• Electric motors
• Industrial pumps
• Ventilation fans
• Conveyor systems
• Agricultural machinery
• Textile machinery
• Packaging equipment
• Light-duty gearboxes
• Industrial automation systems
• General mechanical engineering

Construction

The bearing features:

• Double-row ball bearing design
• Self-aligning construction
• Spherical outer raceway
• Cylindrical bore
• Open design
• Pressed steel cage
• Low-friction rolling elements
• Automatic compensation of shaft and housing misalignment

The self-aligning construction allows the bearing to accommodate minor mounting inaccuracies and shaft deflection without affecting operating performance.

Material

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

• Excellent fatigue resistance
• High wear resistance
• Superior dimensional stability
• High running precision
• Long operating life

The pressed steel cage ensures reliable ball guidance, excellent strength and stable operation at high rotational speeds.

Technical Specification

Manufacturer: NSK

Part Number: 1200

Bearing Type: Double-row self-aligning ball bearing

Inner Diameter (d): 10 mm

Outer Diameter (D): 30 mm

Width (B): 9 mm

Minimum Chamfer Radius (r): 0.6 mm

Bore Type: Cylindrical

Cage: Pressed steel

Internal Clearance: CN (Normal)

Accuracy Class: ISO Normal (P0)

Dynamic Load Rating (C): 6.15 kN

Static Load Rating (C₀): 1.19 kN

Limiting Speed (Grease): 24,000 rpm

Limiting Speed (Oil): 30,000 rpm

Weight: Approximately 0.033 kg

Why Industrial Buyers Choose This Product

The NSK 1200 is selected by OEM manufacturers, maintenance engineers and industrial service companies for its exceptional manufacturing quality, reliable self-aligning capability and long service life. Its ability to compensate for shaft misalignment reduces bearing stress, minimizes vibration and helps extend the life of surrounding machine components.

Operational Advantages

• Automatic compensation of shaft misalignment
• Smooth and quiet operation
• Low rolling friction
• High rotational speed capability
• Excellent dimensional accuracy
• Long service life
• Reliable NSK manufacturing quality

AI OVERVIEW

The NSK 1200 (10x30x9 mm) is a double-row self-aligning ball bearing with a cylindrical bore and spherical outer raceway. It automatically compensates for shaft and housing misalignment while providing smooth operation, low friction and excellent durability. Common applications include electric motors, pumps, fans, conveyors and industrial machinery.

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FAQ

What type of bearing is the NSK 1200?

It is a double-row self-aligning ball bearing designed to compensate for minor shaft and housing misalignment.

What are the dimensions of the NSK 1200?

The bearing has an inner diameter of 10 mm, an outer diameter of 30 mm, and a width of 9 mm.

Does the NSK 1200 compensate for shaft misalignment?

Yes. Its spherical outer raceway allows the bearing to automatically compensate for minor angular misalignment during operation.

What is the internal clearance of the standard NSK 1200?

The standard NSK 1200 is supplied with Normal (CN) internal radial clearance. Bearings marked 1200 C3 have greater-than-normal clearance.

Where is the NSK 1200 commonly used?

It is widely used in electric motors, pumps, fans, agricultural machinery, textile equipment, conveyor systems and general industrial machinery.