Rexroth
The Rexroth R900991921 is a 10µm microglass hydraulic filter element. It measures 1.75" OD x 0.87" ID x 3.86" long. Filtration efficiency is rated at β200 ≥ 13 per ISO 16889. Seals are VITON, rated for -13°F to 250°F. Collapse pressure rating is 3045 PSID.
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Technical specifications for the Rexroth R900991921 filter element. Data sourced from manufacturer catalogs and verified against OEM documentation.
| Specification | Value |
|---|---|
| Micron Rating | 10µm |
| Media Type | MICROGLASS |
| Efficiency (ISO 16889) | β200 ≥ 13 |
| O.D. (inches) | 1.75" |
| I.D. (inches) | 0.87" |
| O.A.L. (inches) | 3.86" |
| Collapse Rating | 3045 PSID |
| Seal Material | VITON |
| Flow Direction | OUTSIDE-IN |
| Operating Temperature | -13°F to 250°F |
Last verified: February 2026
The REXROTH R900991921 is designed for use in hydraulic and lubrication filtration systems. With a 10µm rating, this element is suitable for proportional valve protection and general hydraulic systems. VITON seals provide compatibility with petroleum-based fluids, synthetic fluids, phosphate esters, and water-glycol mixtures.
The 3045 PSID collapse rating indicates the maximum differential pressure this element can withstand during cold starts or bypass conditions without structural failure. Ensure your system's maximum differential pressure does not exceed this rating.
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