Rexroth R909432989 SHIM RING

$11.19

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SKU:: R909432989
UPC:

Current Stock: 10

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Specifications

Key Specifications

Manufacturer: Bosch Rexroth
Part Number (MPN): R909432989
Model Designation: SHIM RING '0,80' 21518.2101
Calibrated Thickness: 0.80 mm ('0,80')
Pump Range Compatibility: Rexroth A4VG71 (71 cc variable displacement closed-circuit pumps, including DA models)
Component Type: Rotating Group High-Precision Adjustment Shim / Spacer Ring

Product Overview

The Bosch Rexroth Shim Ring is a genuine OEM high-precision internal spacing element designed for axial piston units. Built precisely to the 21518.2101 model profile with a calibrated thickness of 0.80 mm, this adjustment shim sits within the internal rotating group of units like the Rexroth A4VG71DA series pumps. It establishes the exact structural preloads and mechanical clearances required for components like the cylinder block and cup-spring stacks. Precision-ground from high-fatigue alloy steel, this shim ring eliminates microscopic axial play, reduces rotational friction, and protects the power kit from early mechanical wear.