REXROTH NRII MWA-009-SNS-C1-P-3 R044281201

Rexroth Miniature Ball Runner Block NRII Size 12

Description

The Rexroth R044281201 is a high-precision miniature ball runner block from the NRII series, designed for compact and demanding linear motion applications. Manufactured from carbon steel, this block provides excellent rigidity and load-carrying capacity in a small footprint. It is engineered for smooth, low-friction movement and is suitable for use in automation, semiconductor manufacturing, and medical devices. This runner block is compatible with Rexroth size 12 miniature guide rails.

Specifications

• Manufacturer: Rexroth (Bosch Group)
• Part Number: R044281201
• Series: Miniature Ball Rail Systems NRII
• Size: 12
• Block Type: Standard width, standard length
• Material: Carbon Steel (CS)
• Preload Class: C0 (Without preload)
• Accuracy Class: N (Normal)

Label Info

• MNR: R044281201
• Designation: MINIATURE BLOCK NRII
• CS:I.N.3057752

Application

Ideal for applications requiring precise linear guidance in a confined space, such as handling systems, 3D printers, laboratory automation, and robotics.

Country of Origin

Made in Romania.

CO2 Impact

Choosing this pre-owned component avoids the production of a new one, saving an estimated 0.06 kg of CO2. This is a sustainable choice for your operations.

Availability

This item is in stock and ready for immediate dispatch. Order now from spareparts2day for expert support and fast delivery.

FAQ

What type of rail is compatible with the R044281201 runner block?

This runner block is designed for a Rexroth size 12 miniature guide rail (e.g., model series R0445…). It is crucial to match the runner block size to the corresponding rail size for proper function and to achieve the specified performance.

Does this runner block come pre-lubricated from the factory?

Yes, Rexroth runner blocks are typically shipped with an initial preservation oil. For long-term operation, it is essential to apply a suitable lubricant according to the application’s speed, load, and environmental conditions as specified in the Rexroth technical documentation.

What is the difference between accuracy class N and other classes for this series?

Accuracy class ‘N’ stands for ‘Normal’ and is the standard accuracy grade for general industrial applications. Higher precision classes like ‘H’ (High) or ‘P’ (Precision) offer tighter tolerances on dimensional accuracy and running parallelism, which are required for applications like high-precision machine tools or measuring equipment.

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Last Update: Friday, March 13, 2026