NA / NA-L3 Eccentric Locking Bearing Inserts
Compare mounting style, shaft locking, bore range and installation envelope before selecting the alternative.
UE Concentric Locking Bearing Inserts
Buyers evaluating UE Concentric Locking Bearing Inserts should treat it as a wide inner-ring insert bearings with concentric locking rather than a bore-only bearing reference. Its construction is chrome-steel insert bearing construction, with concentric locking collar on the shaft.
When reviewing a model, check whether the locking hardware will remain accessible after guards, pulleys or side plates are in place. Maintenance staff need enough room to tighten and release the chosen mechanism without damaging the shaft or dismantling unrelated components. This becomes particularly important on compact machines where the bearing itself is visible but the service approach is restricted.
MOQ: 50 pcs. Minimum order value USD 1,500; mixed orders and trial quantities welcome.
Shaft Locking as a Selection Decision
Locking-focused buying notes
Buyers evaluating UE Concentric Locking Bearing Inserts should treat it as a wide inner-ring insert bearings with concentric locking rather than a bore-only bearing reference. Its construction is chrome-steel insert bearing construction, with concentric locking collar on the shaft.
Applications include conveyors, fans, roller tables and general industrial housings using replaceable inserts. Treat that as context only; dimensions and environment at the real bearing point control the final selection.
Representative
UE205
Mounting
Spherical OD, wider inner ring
Locking
Concentric collar
Representative bore
25 mm
D
52 mm
B
34.1 mm
Technical Specifications & Drawing
| Representative bore | 25 mm |
|---|---|
| D | 52 mm |
| B | 34.1 mm |
| C | 17 mm |
| S | 14.3 mm |
| S1 | 19.8 mm |
| B1 | 35.4 mm |
| B2 | 9.5 mm |
| d1 | 49 mm |
| Setscrew | M4x0.7 |
| Ca | 4 mm |
| Weight | 0.21 kg |
| Load / Housing Strength Reference | |
| Dynamic load | 14.03 kN |
| Static load | 8.05 kN |
Shaft Locking as a Selection Decision
The way an insert secures to the shaft is a functional choice, not a minor suffix. Setscrews, concentric collars, eccentric collars and tapered arrangements each change how the unit is installed, adjusted and later removed.
When reviewing a model, check whether the locking hardware will remain accessible after guards, pulleys or side plates are in place. Maintenance staff need enough room to tighten and release the chosen mechanism without damaging the shaft or dismantling unrelated components. This becomes particularly important on compact machines where the bearing itself is visible but the service approach is restricted.
Do not change locking styles casually during a replacement. Even if the bore and housing dimensions appear correct, the site may already have established procedures and tooling for one type. A different method can alter shaft marking, removal practice and the amount of room required around the inner ring. If a change is intended, record it as an engineering decision rather than letting it happen through an approximate cross-reference.
For repeat orders, keep the locking description beside the product code in the maintenance system. That small detail helps stores separate look-alike units and gives buyers a clear question to resolve when an old label is partly unreadable.
Shaft-locking view
Use the drawing to compare shaft bore, inner-ring width, outer-ring form and housing seat. Read the printed values rather than scaling the illustration; for modified equipment, send current machine measurements with the enquiry.
Applications
Conveyors
UE205 can be considered for conveyors where its spherical od, wider inner ring geometry matches the machine. Check the machine-side interface shown in the drawing before final model approval.
Fans & General Machinery
For fans & general machinery, the concentric collar arrangement changes installation access and shaft retention. Confirm that detail before standardising the spare.
Replacement & MRO
In replacement & mro service, use the construction of UE205 only where the actual moisture, contamination and cleaning conditions match the selected product family.
Related Products
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UK Tapered Bore Bearing Inserts
Compare mounting style, shaft locking, bore range and installation envelope before selecting the alternative.
Locking-method RFQ
State the required bore, concentric locking collar, quantity and accessible locking side for UE-SERIES.
Buyers evaluating UE Concentric Locking Bearing Inserts should treat it as a wide inner-ring insert bearings with concentric locking rather than a bore-only bearing reference. Its construction is chrome-steel insert bearing construction, with concentric locking collar on the shaft.
When reviewing a model, check whether the locking hardware will remain accessible after guards, pulleys or side plates are in place. Maintenance staff need enough room to tighten and release the chosen mechanism without damaging the shaft or dismantling unrelated components. This becomes particularly important on compact machines where the bearing itself is visible but the service approach is restricted.
MOQ: 50 pcs. Minimum order value USD 1,500; mixed orders and trial quantities welcome.
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