1211 ETN9 W64 SKF Self Aligning Ball Bearing 55x100x21

MAIN DESCRIPTION

In industrial systems where shaft misalignment and continuous operation are common challenges, selecting the right bearing with self aligning capability and efficient lubrication is essential.

1211 ETN9 W64 SKF is a self aligning ball bearing designed to compensate for shaft misalignment while ensuring reliable operation in industrial machinery.

This model belongs to the category of SKF self aligning ball bearings, widely used in applications where shaft deflection or mounting inaccuracies occur. The SKF 1211 ETN9 W64 bearing 55x100x21 mm combines a spherical raceway design with enhanced lubrication features, making it suitable for demanding operating conditions.

Construction and design

The 1211 ETN9 W64 SKF bearing features a double row ball design with a spherical outer ring raceway, allowing automatic alignment between the shaft and housing.

The ETN9 polyamide cage provides:

• reduced friction and heat generation

• improved performance at higher speeds

• lower weight compared to steel cages

The W64 lubrication feature includes:

• lubrication groove and holes

• improved grease distribution

• extended maintenance intervals

Key design features:

• self aligning capability

• double row ball construction

• polyamide cage ETN9

• enhanced lubrication system W64

• open design for controlled lubrication

Technical characteristics

This model is commonly searched under:

• 1211 SKF dimensions

• bearing 55x100x21

• self aligning bearing SKF

The combination of alignment capability and lubrication efficiency makes it suitable for applications with dynamic loads and long operating cycles.

Industrial applications

The SKF 1211 ETN9 W64 bearing is widely used in:

• conveyor systems

• agricultural machinery

• fans and ventilation units

• industrial drives

• equipment with shaft deflection

Its design ensures stable performance even when alignment conditions are not ideal.

Operational advantages

Compared to standard bearings, this model offers:

• compensation of shaft misalignment

• reduced friction and improved efficiency

• enhanced lubrication distribution

• longer service intervals

• reliable operation under dynamic conditions

These advantages make it an excellent solution for demanding industrial environments.

TECHNICAL SPECIFICATION

Type: self aligning ball bearing
Manufacturer: SKF
Model: 1211 ETN9 W64
Inner diameter: 55 mm
Outer diameter: 100 mm
Width: 21 mm
Cage: ETN9 polyamide cage
Design: double row self aligning
Lubrication: W64 lubrication groove and holes
Sealing: open design

FAQ

What does W64 mean in SKF bearings?
It indicates the presence of lubrication grooves and holes for improved grease distribution.

Is this bearing self aligning?
Yes, it compensates for shaft misalignment thanks to its spherical raceway.

What is the advantage of ETN9 cage?
It reduces friction and allows higher speed operation.

Where is this bearing typically used?
It is used in conveyors, fans, agricultural and industrial machinery.

Does it require lubrication?
Yes, as an open bearing it requires proper lubrication during operation.