1211 K MTM self aligning ball bearing 55x100x21

Construction and design

The 1211 K MTM is a self aligning ball bearing designed to operate reliably in systems where shaft misalignment occurs. As part of the self aligning ball bearings MTM category, it features two rows of balls and a spherical raceway in the outer ring.

The K designation indicates a tapered bore, typically used with an adapter sleeve, allowing flexible mounting on shafts and easy installation.

This design enables automatic alignment and smooth rotation even under imperfect mounting conditions.

Technical parameters

• size: 55x100x21
• type: self aligning ball bearing
• designation: 1211 K
• bore: tapered
• construction: double row, spherical outer race
• application: machinery, conveyors, industrial systems

Technical snippet:
1211 K MTM is a self aligning ball bearing with tapered bore for 55 mm shafts, designed to compensate misalignment in industrial applications.

Industrial applications and working environment

The 1211 K MTM bearing is widely used in industrial environments where shaft deflection or misalignment is unavoidable. It is commonly applied in conveyor systems, agricultural machinery, ventilation systems, and heavy duty industrial equipment.

Its self aligning capability makes it suitable for applications with flexible shafts or mounting inaccuracies. In practical use, it is often combined with sealing components such as oring, rubber gasket, or sealing ring to improve the technical sealing system.

It performs efficiently in industrial environments, including systems using hydraulic and pneumatic sealing solutions.

Operational advantages

The 1211 K MTM bearing ensures stable operation and long service life even in challenging conditions. The spherical raceway allows compensation of angular misalignment, reducing stress on components.

When used with components such as oring or rubber gasket, it enables effective technical sealing. The sealing ring further improves static sealing and protects against contamination.

Key advantages:

• compensation of shaft misalignment
• tapered bore for flexible mounting
• reduced vibration and stress
• long service life

Main description

The 1211 K MTM self aligning ball bearing 55x100x21 is a reliable solution designed for industrial applications where misalignment compensation and durability are essential. It belongs to the self aligning ball bearings MTM category and is widely used in various mechanical systems.

One sentence definition:
1211 K MTM is a self aligning ball bearing with a tapered bore designed for stable operation in misaligned industrial systems.

Its construction allows efficient load distribution and smooth rotation even under challenging conditions. In industrial practice, it is often used together with sealing components such as oring, rubber gasket, or sealing ring, forming an effective technical sealing system.

This configuration ensures reliable static sealing, protects against contamination, and supports long term operation. The bearing is suitable for industrial systems, including applications involving hydraulic and pneumatic sealing solutions.

For long tail queries such as 1211 K bearing 55 mm tapered bore or self aligning ball bearing for conveyor systems, this model delivers durability, flexibility, and consistent performance.

FAQ

What does K mean in 1211 K bearing?
It indicates a tapered bore.

Does this bearing compensate misalignment?
Yes, it is self aligning.

What shaft size does it fit?
It fits a 55 mm shaft with adapter sleeve.

Where is it commonly used?
In conveyors, agriculture, and industrial machinery.

Can additional sealing be used?
Yes, sealing elements like oring can be applied.