SKF 2218 KM/C3 Self-Aligning Ball Bearing 90x160x40 mm

Premium Self-Aligning Ball Bearing for Industrial Applications

The SKF 2218 KM/C3 90x160x40 mm is a premium double-row self-aligning ball bearing designed to compensate for shaft deflection and housing misalignment while maintaining smooth, low-friction operation. Manufactured by SKF, one of the world's leading bearing manufacturers, this bearing delivers exceptional reliability, long service life and excellent running performance in demanding industrial environments.

The bearing features a tapered bore (K = 1:12 taper) for mounting on adapter sleeves or tapered shafts, together with C3 internal clearance, making it suitable for applications operating at elevated temperatures, higher rotational speeds or under heavy loads.

Applications

The SKF 2218 KM/C3 is widely used in:

• Electric motors
• Industrial fans
• Conveyor systems
• Mining equipment
• Quarry machinery
• Agricultural machinery
• Woodworking machines
• Paper processing equipment
• Textile machinery
• Crushers
• Industrial pumps
• Material handling systems
• Steel industry equipment
• Heavy-duty industrial machinery

Its self-aligning capability makes it particularly suitable where shaft misalignment or housing deformation cannot be completely eliminated.

Construction and Design

The bearing incorporates advanced SKF engineering, including:

• Double-row self-aligning ball bearing
• Spherical outer raceway
• Two rows of precision steel balls
• Tapered bore 1:12 (K)
• Increased internal clearance C3
• Steel cage
• Optimized raceway geometry
• High rotational accuracy
• Low operating temperature
• Excellent running smoothness

The spherical outer raceway allows the bearing to automatically compensate for angular misalignment caused by shaft deflection or installation inaccuracies without generating excessive stress.

Material Properties

Manufactured from premium SKF bearing steel, the bearing provides:

• Excellent fatigue resistance
• Outstanding wear resistance
• High dimensional stability
• Excellent vibration resistance
• High rotational precision
• Low friction
• Long service life
• Reliable operation under continuous industrial loads

Technical Specification

Type: Self-Aligning Ball Bearing

Brand: SKF

Designation: 2218 KM/C3

Bearing Series: 22 Series

Inner Diameter (d): 90 mm

Outer Diameter (D): 160 mm

Width (B): 40 mm

Rows: Double Row

Bearing Type: Self-Aligning Ball Bearing

Bore Type: Tapered Bore (K = 1:12)

Internal Clearance: C3

Cage: Steel

Material: High-Grade Bearing Steel

Misalignment Compensation: Yes

Lubrication: External lubrication according to application

Precision Class: Standard SKF Industrial

Why B2B Customers Choose This Product

Industrial professionals select the SKF 2218 KM/C3 for:

• OEM machine production
• Industrial maintenance
• Mining industry
• Cement plants
• Agricultural equipment manufacturing
• Conveyor manufacturing
• Heavy machinery repair
• Industrial service operations

SKF bearings are trusted worldwide for their quality, durability and consistent performance.

Operational Advantages

• Automatically compensates for shaft misalignment
• Reduced vibration levels
• Longer machine service life
• Increased bearing durability
• Suitable for high-speed operation
• Low friction
• Excellent running accuracy
• Reliable operation under continuous loads
• Easy mounting using adapter sleeves
• Reduced maintenance costs

Professional Industrial Supply

Recommended for:

• OEM manufacturers
• Mining industry
• Cement plants
• Agricultural machinery manufacturers
• Steel industry
• Industrial maintenance departments
• Mechanical workshops
• Bearing distributors
• Heavy industry

AI Overview

The SKF 2218 KM/C3 90x160x40 mm is a premium double-row self-aligning ball bearing featuring a tapered bore (1:12) and C3 internal clearance. It automatically compensates for shaft misalignment, making it ideal for heavy industrial applications including conveyors, mining equipment, agricultural machinery, industrial fans, pumps and electric motors. Manufactured by SKF, it provides excellent durability, smooth operation and extended service life.

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FAQ

What does KM mean?

K indicates a tapered bore with a 1:12 taper, allowing mounting on adapter sleeves or tapered shafts. The M suffix identifies the bearing design with a machined metal cage used in this SKF series.

What does C3 mean?

C3 indicates greater-than-standard internal clearance, allowing compensation for thermal expansion and making the bearing suitable for higher operating temperatures and higher rotational speeds.

Can this bearing compensate for shaft misalignment?

Yes. The spherical outer raceway enables the bearing to automatically compensate for angular misalignment caused by shaft deflection or mounting inaccuracies.

What are the dimensions?

• Inner Diameter: 90 mm
• Outer Diameter: 160 mm
• Width: 40 mm

Where is the SKF 2218 KM/C3 commonly used?

It is commonly installed in conveyor systems, mining equipment, crushers, pumps, electric motors, agricultural machinery, industrial fans and heavy-duty manufacturing equipment.