BALL RUNNER BLOCK RESIST NRII KWD-020-SNS-C2-H-0

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The Bosch Rexroth B.RUNN. BLOCK NRII KWD-020-SNS-C2-H-0 (R201182304) is a high-precision, corrosion-resistant ball runner block designed for linear motion applications requiring a slim profile and standard height. This model is part of the SNS series, which stands for slimline width, normal length, and standard height, ensuring a compact design suitable for restricted spaces in the transverse direction. The runner block body and all steel components are manufactured from corrosion-resistant steel in accordance with DIN EN standards. The ball runner block features a medium preload class C and a high accuracy class H, ensuring precise movement and reduced frictional oscillations even under external load. It does not include a ball chain or initial lubrication and comes without attachment elements on the front reference edges. Additionally, it has a straight lube connection that is loosely attached for easy maintenance. With an overall length of 20 mm, this runner block can be used interchangeably with guide rails of every accuracy level within its size category. It boasts excellent dynamic characteristics due to its optimized entry zone geometry and high number of balls, which also minimizes variation in elastic deflection. The integrated all-around sealing protects against contaminants while maintaining performance integrity over time. The B.RUNN. BLOCK NRII KWD-020-SNS-C2-H-0 supports long-term lubrication over several years and can sustain high load ratings in all four main loading directions. It also features attachments that can be mounted from above and a minimum quantity lubrication system with an integrated reservoir for oil lubrication. In summary, this Bosch Rexroth ball runner block is versatile and robust, ideal for applications where precision movement is critical in corrosive environments or where space constraints exist. Its design ensures reliable performance with minimal maintenance requirements.