12x26x4 mm AXK 1226 2AS Thrust Needle Roller Bearings with Washers

The AXK1226 2AS is an ultra-compact thrust needle roller bearing, engineered to support high unidirectional axial loads in extremely limited axial spaces. Ideal for compact applications like automotive transmissions, steering systems, pumps, and office automation equipment.

Bearing Type: Single-direction cylindrical thrust roller bearing (ISO Type 81100 series).

Key Dimensions (milímetros):

Shaft Diameter (d): 12 milímetros
Housing Washer Outside Diameter (D): 26 milímetros
Overall Height/Thickness (T): Approximately 4 milímetros (This ultra-thin design is a core feature).

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Core Advantages:

Extreme Space Savings
The primary advantage of the AXK1226 2AS is its minimal axial cross-section (just 2 mm thick). It enables the design of more compact and lightweight products where axial space is at a premium, allowing engineers to overcome critical packaging challenges.
High Load Capacity in a Minimal Envelope
By utilizing numerous needle rollers, this bearing achieves an exceptional load-carrying capacity relative to its tiny size. It offers a far superior load density compared to a thrust ball bearing of similar dimensions.
Cost-Effective & Reliable Performance
It provides a robust and economical solution for axial location and load support in high-volume applications. The sealed design (2AS) ensures consistent performance and longer life by protecting the rolling elements.
Simplified Assembly & Handling
The integrated cage keeps the needle rollers perfectly aligned and pre-assembled, making installation quick, simple, and reliable, eliminating the risk of losing individual rollers.
High Rigidity & Precision
The line contact of the needle rollers provides high axial rigidity, ensuring precise axial positioning of components with minimal deflection under load.

Primary Application Scenarios

Automotive: Automatic transmission components (planetary gear sets), steering column assemblies, clutch release mechanisms, and actuator pivots.
Industrial Machinery: Compact gearboxes, rotary tables, indexing heads, and valve actuators.
Pumps & Compressors: As an axial bearing in small, high-speed pumps and compressor crankshafts.
Office Automation & Home Appliances: Paper feed mechanisms in printers/copiers, disc drives, and high-end power tools.
General Engineering: Any application requiring reliable axial support within a severely limited axial space.