BALL RUNNER BLOCK RESIST NRII KWD-020-SLS-C0-N-0

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The Bosch Rexroth B.RUNN. BLOCK NRII KWD-020-SLS-C0-N-0 (R201289404) is a high-precision ball runner block designed for linear motion applications where space is limited in the transverse direction. This model is part of the company's comprehensive line of linear motion technology products and features a slimline width, long length, and standard height (SLS format). It is constructed from corrosion-resistant Resist NRII steel, meeting DIN standards, which ensures durability and longevity under challenging environments. The runner block boasts an accuracy standard (class N) and comes preload-free (preload class C), offering smooth motion without initial tension. It does not include a ball chain, attachment elements on either front reference edge, or initial lubrication and preservation, allowing for customization based on specific application requirements. The straightforward lube connection provided with the unit facilitates easy maintenance. This particular model has an overall length of . mm and supports interchangeable use with guide rails across all accuracy classes. It has been engineered to deliver maximum precision with its patented entry zone that increases travel accuracy up to six times while significantly reducing frictional oscillations even under external load conditions. The Bosch Rexroth ball runner block can be utilized in various applications thanks to its metal parts made of corrosion-resistant steel, offering high load ratings in all four main loading directions. Long-term lubrication capabilities extend over several years with minimum quantity lubrication systems that include an integrated oil reservoir. Additional features include optimized entry-zone geometry for reduced elastic deflection variation and the ability to mount attachments from above due to the height of the runner block. The product operates within an ambient temperature range from min ... max C and has a dynamic load capacity C based on DIN ISO standards. Overall, this Bosch Rexroth ball runner block is designed for reliability and precision in linear motion systems where space constraints and environmental resistance are critical factors.