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Bosch Rexroth R165121320 Ball Runner Block for linear motion systems

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Bosch Rexroth R165121320 | CS KWD-025-FNS-C1-H-1

by Bosch Rexroth

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OverviewThe Bosch Rexroth R165121320 Ball Runner Block, model KWD-025-FNS-C1-H-1, is expertly crafted for applications requiring exceptional precision in linear movement. Constructed from premium carbon steel, this resilient component delivers outstanding rigidity and lasting durability, making it an essential element in challenging industrial settings. Its sophisticated engineering ensures consistently fluid and highly accurate operation, crucial for advanced automation, precise CNC equipment, and various other vital precision systems. This ball runner block exemplifies top-tier engineering, guaranteeing dependable performance where accuracy is paramount.Key Features Increased Rigidity & Stability: This design incorporates two extra mounting screw holes centrally located, significantly improving stability and effectively preventing issues under lift-off and side-loading scenarios, ensuring consistent performance in dynamic operations. Outstanding Load Capability: Engineered to withstand substantial loads from every direction, the R165121320 offers remarkable flexibility. Its robust build often allows efficient operation with just one runner block per rail in many applications, simplifying designs and reducing component count without sacrificing performance. Flexible Mounting Choices: Designed with user convenience and integration in mind, this ball runner block allows attachments to be installed easily from both above and below. This adaptability provides considerable benefits during installation and configuration, suiting diverse operational setups. Durable Carbon Steel Construction: Made from high-strength carbon steel, this runner block is built to last. This material selection ensures exceptional longevity and unwavering performance, even in the toughest industrial conditions, providing a reliable base for your linear motion systems. Smooth, Low-Friction Operation: The precision manufacturing of the R165121320 guarantees exceptionally smooth, low-friction movement. This characteristic is vital for enhancing the overall efficiency and accuracy of linear motion systems, leading to reduced wear, lower energy use, and superior operational precision. Technical Specifications Brand: Bosch Rexroth Model: KWD-025-FNS-C1-H-1 Part Number: R165121320 Material: Carbon Steel Size: 25 mm Accuracy Class: High (H) Preload: Low (C1) Dynamic Load Capacity (C): 28,600 N Static Load Capacity (C0): 35,900 N Weight: Approximately 0.650 kg Applications Automation Systems: Provides the critical precise linear motion needed for the optimal function of advanced automated processes, ensuring repeatable accuracy and efficiency. CNC Machinery: Essential for guaranteeing accurate tool positioning and controlled movement in Computer Numerical Control (CNC) machinery, leading to superior machining precision and product quality. Industrial Equipment: An ideal component for a wide array of heavy-duty industrial applications that demand reliable and consistent linear guidance, supporting robust operational performance. Robotics: Facilitates the ultra-smooth and highly precise movements required in robotic arms and sophisticated platforms, enabling intricate tasks and enhanced robotic dexterity. Material Handling: Significantly enhances the efficiency and precision of systems involved in the precise linear motion for transporting and positioning goods, optimizing logistics and production flows. Why Choose?The Bosch Rexroth R165121320 Ball Runner Block stands out in the market due to its exceptionally robust construction, significantly improved rigidity, and remarkably versatile mounting options. This particular model is meticulously engineered to meet the most stringent demands of high-precision applications.Order NowEnhance the performance of your industrial machinery by ordering the Bosch Rexroth R165121320 Ball Runner Block. Contact Palm Parts Solution today to secure this essential component for your linear motion systems.FAQWhat materials are used in the construction of the R165121320?The R165121320 is constructed from high-grade carbon steel, ensuring exceptional durability and consistent performance in demanding industrial environments.How does this runner block improve stability?It features two additional mounting screw holes strategically positioned at the center, which significantly enhances stability and mitigates issues under lift-off and side-loading conditions.Can this runner block support heavy loads?Yes, it is engineered to withstand substantial loads from all directions, often allowing for effective operation with just a single runner block per rail.What types of applications benefit most from this product?This ball runner block is ideal for automation systems, CNC machinery, various industrial equipment, robotics, and material handling where precise and reliable linear motion is crucial.Does it offer flexible installation options?Absolutely, attachments can be mounted effortlessly from both above and below, providing considerable advantages during installation and system configuration.

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PRODUCT DETAILS

Bosch Rexroth R165121320 | CS KWD-025-FNS-C1-H-1

Overview

This is a genuine Bosch Rexroth component from the Other Rexroth Products family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.

Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.

Key Features

  • Genuine Bosch Rexroth catalog part
  • Tested before shipment
  • Backed by PalmPartsSolution warranty
  • Cross-reference and revision assistance available
  • Compatible with the broader Bosch Rexroth automation ecosystem
  • Engineered to integrate inside Other Rexroth Products installations

Compatibility

When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Bosch Rexroth equipment. Where applicable, confirm:

  • Input/output voltage and current rating
  • Communication protocol and network role
  • Mounting form factor and footprint
  • Operating temperature, humidity, and IP rating
  • Required certifications (UL, CE, ATEX, marine, etc.)

Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.

Replacement Information

Three ways to source this part through PalmPartsSolution:

  1. Exact replacement — same Bosch Rexroth catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation Bosch Rexroth platform with documented conversion notes for the Other Rexroth Products family

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

  • Brand: Bosch Rexroth
  • Model: KWD-025-FNS-C1-H-1
  • Part Number: R165121320
  • Material: Carbon Steel
  • Size: 25 mm
  • Accuracy Class: High (H)
  • Preload: Low (C1)
  • Dynamic Load Capacity (C): 28,600 N
  • Static Load Capacity (C0): 35,900 N
  • Weight: Approximately 0.650 kg

Applications

  • Automation Systems: Provides the critical precise linear motion needed for the optimal function of advanced automated processes, ensuring repeatable accuracy and efficiency.
  • CNC Machinery: Essential for guaranteeing accurate tool positioning and controlled movement in Computer Numerical Control (CNC) machinery, leading to superior machining precision and product quality.
  • Industrial Equipment: An ideal component for a wide array of heavy-duty industrial applications that demand reliable and consistent linear guidance, supporting robust operational performance.
  • Robotics: Facilitates the ultra-smooth and highly precise movements required in robotic arms and sophisticated platforms, enabling intricate tasks and enhanced robotic dexterity.
  • Material Handling: Significantly enhances the efficiency and precision of systems involved in the precise linear motion for transporting and positioning goods, optimizing logistics and production flows.

Why Choose the R165121320?

The Bosch Rexroth R165121320 Ball Runner Block stands out in the market due to its exceptionally robust construction, significantly improved rigidity, and remarkably versatile mounting options. This particular model is meticulously engineered to meet the most stringent demands of high-precision applications.

Availability & Shipping

  • In stock: R165121320 ready for immediate dispatch from our Florida warehouse.
  • Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
  • Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
  • Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
  • Buy with confidence: Every R165121320 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Bosch Rexroth

The R165121320 is constructed from high-grade carbon steel, ensuring exceptional durability and consistent performance in demanding industrial environments.

Machine down? We ship parts the same day.

New, surplus, and refurbished Bosch Rexroth inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.

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Product Condition & Firmware

All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.

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