Manufactured by PRS Bearings, the PSI25.555 is a precision PSI25 Series Four Point Contact Ball Bearings. You may consider it as an interchangeable alternative and replacement for IMO 12-25 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.
PSI25.555 - PSI25 Series Four Point Contact Ball Bearings
Technical Specifications
| Direct Interchange | IMO 12-25 0555 |
|---|---|
| Overview | |
| Basic Model | PSI25.555 |
| Weight | 76 kg |
| Mounting Dimensions | |
| Outer Ring O.D. (Da) | 655 mm |
| Inner Ring I.D. (di) | 416 mm |
| Mounting Holes | |
| Outer Ring Hole Pitch Dia. (La) | 615 mm |
| Inner Ring Hole Pitch Dia. (Li) | 494 mm |
| No. of Outer Ring Holes (na) | 20 |
| No. of Inner Ring Holes (ni) | 20 |
| Gear Parameters | |
| Pitch Circle Dia. (do) | 432 mm |
| Module (m) | 8 |
| No. of Teeth (z) | 54 |
PSI25.555 655 mm 615 mm 416 mm 494 mm 20 mm 20 mm Frequently Asked Questions about PSI25.555 PSI25 Series Four Point Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
As a dedicated bearing manufacturer, PRS Bearings maintains strategic inventory of the PSI25.555 for prompt dispatch. For large OEM forecast orders, our lean production lines guarantee highly competitive lead times.
PRS Bearings provides the PSI25.555 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 PSI25.555 in C0 (Normal), C2 (Tight), or C3 (Loose) internal radial clearances. Proper clearance selection by PRS Bearings specialists helps prevent premature bearing seizure.
The PSI25.555 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.