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R185122310 Original Rexroth Linear Bearing Block
Rexroth R185122310 Roller Runner Block: Precision and Durability
The Bosch Rexroth R185122310 Roller Runner Block (RWA-025-FNS-C2-H-2) is a high-precision linear bearing block designed for industrial automation. Engineered by Bosch Rexroth, a global leader in linear motion technology, this roller runner block ensures reliable performance in demanding applications. Crafted from unalloyed carbon steel, it offers exceptional durability and efficiency, meeting DIN ISO standards for dynamic load capacities. With a flanged, normal, standard-height (FNS) design, the R185122310 linear bearing block is ideal for applications requiring robust load handling and precise linear guidance. Its average preload (C2) and high accuracy class (H) make it a top choice for engineers seeking dependable linear guides.
Product Features
The Bosch Rexroth R185122310 linear bearing block is tailored for high-precision tasks. Key features include:
- Material: Unalloyed carbon steel for enhanced strength and longevity.
- Preload Class: C2 (average preload) for balanced rigidity and smooth motion.
- Accuracy Class: H (highly accurate) for precise linear guidance.
- Seal Type: Standard seal (SS) to protect against contaminants.
- Lubrication: Preserved without initial lubrication, with a straight lube connection for easy maintenance.
- Friction Coefficient: Optimized at 0.0004–0.001 for minimal resistance.
- Compatibility: Works with size S and E profiled rail systems, offering versatile mounting options.
These attributes make the R185122310 linear bearing block a reliable solution for industrial automation, ensuring consistent performance under varying loads.
Technical Specifications
The R185122310 roller runner block is designed to handle significant dynamic and static loads, with precise dimensions for seamless integration. Below is a detailed breakdown of its technical parameters:
| Parameter | Value | Engineering Explanation |
|---|---|---|
| Nominal Size | 25 mm | Refers to the rail system size, ensuring compatibility with size 25 profiled rails. |
| Width of Runner Block (A) | 70 mm (2.76 in) | Determines the block’s footprint, critical for mounting stability. |
| Length of Runner Block (B) | 97 mm (3.82 in) | Overall length, affecting load distribution and rail interaction. |
| Height of Runner Block (H) | 36 mm (1.42 in) | Total height with guide rail, ensuring proper alignment. |
| Dynamic Load Capacity (C) | 26,900 N | Maximum load during motion, based on 100,000 m travel (multiply by 1.23 for 50,000 m). |
| Static Load Capacity (C0) | 53,200 N | Maximum load when stationary, ensuring structural integrity. |
| Dynamic Torsional Moment (Mt) | 348 Nm | Resistance to twisting forces during motion, critical for stability. |
| Static Torsional Moment (Mt0) | 690 Nm | Twisting resistance when stationary, enhancing durability. |
| Dynamic Longitudinal Moment (ML) | 260 Nm | Resistance to longitudinal forces during motion, ensuring smooth operation. |
| Static Longitudinal Moment (ML0) | 520 Nm | Longitudinal resistance when stationary, supporting heavy loads. |
| Maximum Acceleration (amax) | 150 m/s² | Maximum acceleration under load, requiring consistent preload. |
| Maximum Linear Speed (vmax) | 3 m/s (up to 4 m/s with limitations) | Top speed for linear motion, with plastic wear considerations at higher speeds. |
| Permissible Ambient Temperature | -10 °C to +80 °C (14 °F to 176 °F), up to 100 °C (212 °F) briefly | Operating temperature range, ensuring performance in diverse conditions. |
| Weight | 0.8 kg (1.76 lbs) | Lightweight design for easy integration without compromising strength. |
| Thread Size (S2) | M8 | Standard thread for secure mounting, ensuring stability. |
Technical Attributes
The Bosch Rexroth R185122310 linear bearing block is engineered for precision and robustness, with a low friction coefficient (0.0004–0.001) for efficient movement. Its carbon steel construction ensures long-term durability, while the C2 preload and H accuracy class provide balanced rigidity and precision. The block’s compatibility with size S and E profiled rails, combined with a dynamic load capacity of 26,900 N and static load capacity of 53,200 N, makes it versatile for various industrial setups.
Application Scenarios
The R185122310 linear bearing block excels in real-world industrial applications requiring high-precision linear motion. For instance, in CNC machining, this roller runner block ensures smooth, accurate movement of cutting tools, maintaining tight tolerances during high-speed operations. In automated assembly lines, its robust load capacity (26,900 N dynamic, 53,200 N static) supports heavy components, reducing downtime due to wear. Additionally, in material handling systems, the block’s low friction coefficient and high accuracy class (H) enable precise positioning of goods, enhancing throughput in warehouses. These scenarios highlight the block’s reliability in demanding environments, making it a trusted choice for engineers designing linear motion systems.
FAQ
1. What is the preload class of the Bosch Rexroth R185122310 linear bearing block?
The R185122310 features a C2 preload class, providing average preload for balanced rigidity and smooth motion.
2. Can the R185122310 operate in extreme temperatures?
Yes, it operates between -10 °C to +80 °C (14 °F to 176 °F), with short-term tolerance up to 100 °C (212 °F).
3. Is the R185122310 compatible with different rail systems?
Yes, it is compatible with size S and E profiled rail systems, offering versatile mounting options.
4. What is the maximum speed of the R185122310 roller runner block?
The maximum linear speed is 3 m/s, with potential for 4 m/s under specific conditions, though plastic wear may limit service life.
5. How is the load capacity of the R185122310 calculated?
The dynamic load capacity (26,900 N) and moments are based on 100,000 m travel per DIN ISO 14728-1. For 50,000 m, multiply values by 1.23.
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