Keep the evidence with the model shortlist
The models on this page illustrate bearing roles; they are not confirmed replacements for an unspecified machine. Keep the original complete marking, machine position, load and speed duty, temperature, lubricant and mounting arrangement together. Check the candidate's recorded values below and leave unreported parameters unknown.
Check drawings and model records · Investigate a failure before replacing it · Plan installation and force paths
What matters in this application
Geometry and load
Record impeller/drum forces, overhang, support spacing and shaft weight.
Media contact
Identify which supports touch the process fluid and whether lubrication can enter the product.
Alignment and vibration
Check shaft deflection, imbalance, mounting stiffness and the permitted movement at each support.
Which bearing structures make sense?
External rolling supports
Investigate mounted or spherical-roller architectures for appropriate loads.
Check first: Housing and shaft stiffness must be checked together with the bearing.
Process-exposed steady bearings
Use the specified material, clearance and lubrication/working fluid.
Check first: A generic rolling bearing is not a substitute for a liquid-lubricated steady support.
Recommended starting points
These candidates illustrate specific roles and envelopes, not a ranked list or interchangeable set. Review each condition before using a model in a design.
UCP205
25 mm shaft · complete unitPillow-block unit · 25 mm shaft
A mounted-support reference for checking shaft height, mounting footprint and insert capacity as an assembly.
- Dynamic C
- 14 kN
- Static C₀
- 7.85 kN
- Limiting speed
- — rpm
Before selectionExternal support references only; not immersed steady-bearing recommendations or mixer-model fitments. Verify the housing rating, bolt pattern, locking method and permitted axial loading.
Open complete model data22212 E
60×110×28 mmSpherical-roller support · 60 mm bore
Investigate this self-aligning roller architecture when the calculated load and angular accommodation requirements suit it.
- Dynamic C
- 159 kN
- Static C₀
- 166 kN
- Limiting speed
- 7500 rpm
Before selectionExternal support references only; not immersed steady-bearing recommendations or mixer-model fitments. Verify allowable misalignment, minimum load, fit, clearance and housing/seal arrangement.
Open complete model dataCompare the recorded specifications
Different sizes and bearing structures are shown for different duties. C and C₀ are catalogue load ratings, not permissible equipment loads. Limiting speed is not an approved operating speed.
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| Parameter | KOYOUCP205 | SKF22212 E |
|---|---|---|
| Bore d (mm) | 25 | 60 |
| Outside D (mm) | — | 110 |
| Recorded width (mm) | — | 28 |
| Dynamic C (kN) | 14 | 159 |
| Static C₀ (kN) | 7.85 | 166 |
| Catalogue limiting speed (rpm) | — | 7500 |
— = not reported, or not directly comparable for a mounted unit. Width conventions differ for inserts, complete units and bearing assemblies; inspect the dimensional drawing. Values are read from the current BearingScope records, not estimated from model numbers.
Work through the selection
- Separate drum, drive, shaft and immersed steady-support positions.
- Calculate reactions and bending from the actual operating geometry.
- Check architecture, materials, seals and lubricant/media compatibility.
- Validate alignment, retention and vibration under the intended process load.
Symptoms worth checking
Repeated damage at one support
Investigate overhung load, shaft deflection and mounting geometry.
Contaminated process product
Review leakage paths and the bearing/lubricant exposure boundary.
Symptoms are investigation prompts, not a diagnosis. Isolate equipment safely and follow its maintenance procedures before inspection.
Have the original designation?
Look up the complete model and suffix before comparing potential alternatives.
Application questions, answered
Can a pillow block replace an agitator steady bearing?
Not if the duty requires a different immersed support architecture. Establish the actual lubrication and media requirements first.
Does mixer capacity alone determine bearing size?
No. Geometry, speed, process forces and support spacing determine the actual bearing loads.
Reference basis & recommendation limits
- SKF — Bearing selection process
Application principles are informed by the listed technical references. Model shortlists are BearingScope editorial selections from its database, not manufacturer endorsements or equipment-fit approvals. Confirm the latest exact specification and the complete equipment design before use.