PSA25.1155 - PSA25 Series

Manufactured by PRS Bearings, the PSA25.1155 is a precision PSA25 Series. You may consider it as an interchangeable alternative and replacement for IMO 11-25 1155, Rothe Erde 061.25.1155. 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 1155, Rothe Erde 061.25.1155
Overview
Basic ModelPSA25.1155
Weight186 kg
Mounting Dimensions
Outer Ring O.D. (Da)1298 mm
Inner Ring I.D. (di)1055 mm
Mounting Holes
Outer Ring Hole Pitch Dia. (La)1216 mm
Inner Ring Hole Pitch Dia. (Li)1095 mm
No. of Outer Ring Holes (na)36
No. of Inner Ring Holes (ni)36
Gear Parameters
Pitch Circle Dia. (do)1280 mm
Module (m)10
No. of Teeth (z)128
CAD Drawing and Dimensions for PSA25.1155 PSA25 Series PSA25.1155 1095 mm 36 mm 1216 mm 1298 mm 36 mm 1055 mm

Frequently Asked Questions about PSA25.1155 PSA25 Series

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

Absolutely. The precise manufacturing of the PRS Bearings PSA25.1155 results in stable, predictable vibration baselines. This makes it highly compatible with modern IoT condition monitoring sensors for early fault detection.
Yes, while the standard PRS Bearings PSA25.1155 meets ISO P0 (ABEC-1) levels, PRS Bearings also manufactures high-precision variants in P6 (ABEC-3) and P5 (ABEC-5) for applications requiring minimal runout and extreme rotational accuracy.
The PSA25.1155 utilizes high-purity bearing steel treated with PRS Bearings's advanced thermal processes. This creates a tough core that effectively absorbs shock loads while maintaining a highly wear-resistant surface on the raceways.
Yes. As part of our B2B commitment, if a PSA25.1155 experiences unexpected issues in the field, PRS Bearings engineers can perform detailed metallurgical and wear analysis to identify root causes and optimize your future setups.