Bearings
Linear Bearings & Shaft
Linear Carriages
Bosch Rexroth Carriages
Quick Code: BB-525450
R044429301 MWA-012-SLS-C0-H-3 (NRII) Bosch Rexroth Carriage
R044429301 MWA-012-SLS-C0-H-3 (NRII) Bosch Rexroth Carriage
This precision block carriage from Bosch Rexroth delivers high-accuracy linear motion in a compact, space-efficient design. The MWA-012-SLS model combines advanced ball bearing technology with corrosion-resistant materials, making it an excellent choice for applications requiring reliable performance in challenging environments. The small and long configuration provides flexible integration into confined spaces while maintaining exceptional precision and smooth operation.
Key Specifications:
- Design: Block carriage in small and long configuration for compact installation and space-constrained linear motion systems
- Series: 12 series offering reliable load-carrying capacity with precision engineering for controlled motion applications
- Rolling Elements: Double-row ball bearings for smooth, consistent linear motion with reliable load distribution and reduced friction
- Preload: Without preload for applications requiring minimal resistance and smooth, low-friction operation
- Tolerance Class: H (High-Precision Class) for superior accuracy and repeatability in precision positioning applications
- Material: Steel with anti-corrosion protection and plastic components for durability in harsh environments and extended service life
- Seal Type: End seals for effective contamination protection and reliable operation in dusty or wet conditions
- Operating Temperature: -10 to +100°C, providing reliable performance across diverse industrial and environmental conditions
- Lubrication: Relubrication capable via integrated lubrication nipple for convenient maintenance and extended operational intervals
- Ball Chain: Without ball chain
Ideal Applications:
This carriage is well-suited for precision automation equipment, analytical instrumentation, compact CNC machinery, medical device assemblies, laboratory equipment, optical systems, and applications requiring high-precision linear guidance in space-constrained environments. The corrosion-resistant construction makes it particularly advantageous for food processing equipment, pharmaceutical applications, maritime systems, and other environments where exposure to moisture or corrosive agents is a concern.
Maintenance Advantage:
The relubrication capability extends service life and reduces downtime, allowing for easy maintenance through the dedicated lubrication nipple, ensuring optimal performance and reliability throughout the product lifecycle.
Reference: R044429301MWA012SLSC0H3 | Brand: Bosch Rexroth

