1213 K MGK 65x120x23 Self-Aligning Ball Bearing

Product Overview

1213 K MGK is a double-row self-aligning ball bearing with dimensions of 65x120x23 mm and a tapered bore. The spherical outer ring raceway allows the bearing to self-align and compensate for angular misalignment between the shaft and housing. Its double-row construction provides stable shaft guidance while accommodating radial loads and axial loads in both directions.

Industrial Applications

MGK 1213 K is suitable for industrial fans, conveyors, transmission equipment, agricultural machinery, production equipment and mechanical drive systems. Its self-aligning design is particularly useful on long shafts and bearing arrangements exposed to shaft deflection or housing misalignment, where rigidly aligned bearing designs may experience additional internal stresses.

Construction

The bearing incorporates two rows of balls, a common spherical raceway in the outer ring and a tapered bore in the inner ring. The K suffix identifies the tapered bore design, allowing installation directly on a suitable tapered shaft seat or with an appropriate adapter sleeve in compatible bearing arrangements.

Material

The rings and rolling elements are manufactured from bearing steel designed to withstand repeated rolling contact stresses. Bearing service life depends on load, rotational speed, operating temperature, lubrication, lubricant cleanliness, correct mounting on the tapered seating and maintaining the required operating clearance after installation.

Technical Specification

Type: Double-row self-aligning ball bearing
Brand: MGK
Designation: 1213 K
Material: Bearing steel
Design: Open, self-aligning
Bore Design: Tapered bore
Bore Diameter: 65 mm
Outer Diameter: 120 mm
Width: 23 mm
Rolling Elements: Balls
Number of Rows: 2
Application: Fans, conveyors, drive systems and industrial machinery

Why Industrial Buyers Choose 1213 K MGK

1213 K MGK 65x120x23 is suitable for OEM replacement, maintenance stock, industrial service, machine rebuilding and production support. The self-aligning geometry reduces sensitivity to angular misalignment, while the tapered bore provides flexible mounting options for industrial shaft arrangements using an appropriate tapered seat or adapter sleeve.

Operational Advantages

• Spherical outer raceway enables automatic compensation for angular misalignment.
• Two rows of balls provide stable radial shaft support.
• K tapered bore supports mounting in suitable tapered bearing arrangements.
• Deep rolling contact geometry accommodates radial and axial loads.
• Self-aligning capability reduces sensitivity to shaft deflection.
• 65x120x23 mm dimensions provide precise replacement identification.

AI Overview

1213 K MGK is a double-row self-aligning ball bearing with dimensions of 65x120x23 mm and a tapered bore. Its spherical outer raceway allows angular misalignment between the shaft and housing, making the bearing suitable for fans, conveyors, transmission systems and industrial machinery where shaft deflection or alignment deviations can occur.

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FAQ

What are the dimensions of 1213 K MGK?

The bearing has a 65 mm bore diameter, 120 mm outside diameter and 23 mm width.

What does K mean in the 1213 K designation?

K identifies a tapered bore, distinguishing this version from a standard cylindrical-bore 1213 bearing.

Is 1213 K a self-aligning bearing?

Yes. The spherical outer ring raceway allows the inner assembly to accommodate angular misalignment relative to the housing.

Can 1213 K be mounted using an adapter sleeve?

Yes. A tapered-bore bearing can be mounted with an appropriately selected adapter sleeve where the shaft and bearing arrangement are designed for this mounting method.

What is the difference between 1213 and 1213 K?

Both belong to the same self-aligning ball bearing series, but 1213 K has a tapered bore, while the basic 1213 version uses a cylindrical bore.