PSA25.555 - PSA25 Series

Manufactured by PRS Bearings, the PSA25.555 is a precision PSA25 Series. You may consider it as an interchangeable alternative and replacement for IMO 11-25 0555. Key dimensional parameters include a mm bore diameter, a mm outer diameter, and a mm overall width. With matching boundary dimensions, this component is designed to meet standard load requirements and ensure consistent operational performance. For comprehensive technical evaluation, please explore the detailed specifications, dimensional data, product images, and CAD drawings provided below. A complete PDF data sheet is also readily available for direct download to support your engineering and procurement needs.

Technical Specifications

Direct InterchangeIMO 11-25 0555
Overview
Basic ModelPSA25.555
Weight93 kg
Mounting Dimensions
Outer Ring O.D. (Da)694.4 mm
Inner Ring I.D. (di)616 mm
Mounting Holes
Outer Ring Hole Pitch Dia. (La)20 mm
Inner Ring Hole Pitch Dia. (Li)20 mm
No. of Outer Ring Holes (na)495
No. of Inner Ring Holes (ni)680
Gear Parameters
Pitch Circle Dia. (do)8 mm
Module (m)8
No. of Teeth (z)85
CAD Drawing and Dimensions for PSA25.555 PSA25 Series PSA25.555 20 mm 680 mm 20 mm 694.4 mm 495 mm 616 mm

Frequently Asked Questions about PSA25.555 PSA25 Series

Find key technical answers regarding dimensions, specifications, and replacement options for this model.

Yes, PRS Bearings is a leading OEM partner. We offer bulk B2B pricing for the PSA25.555, along with custom laser marking, specialized packaging, and technical documentation (MTR/COC) tailored to your company's requirements.
The PSA25.555 is manufactured by PRS Bearings using premium-grade bearing steel that undergoes rigorous quality control processes. The company adheres to international standards including ISO 9001 and IATF 16949, ensuring consistent material purity and structural integrity across all production batches.
PRS Bearings provides the PSA25.555 with various cage options including high-strength pressed steel, machined brass for high-vibration tasks, or reinforced polymers for the quietest operation in precision machinery.
Depending on your thermal and fit requirements, PRS Bearings supplies the PSA25.555 in C0 (Normal), C2 (Tight), or C3 (Loose) internal radial clearances. Proper clearance selection by PRS Bearings specialists helps prevent premature bearing seizure.