SER Cylindrical Outer Ring Bearing Inserts
Compare mounting style, shaft locking, bore range and installation envelope before selecting the alternative.
UER Cylindrical Outer Ring Bearing Inserts
UER-SERIES belongs to the standard bearing inserts range. It is supplied as a insert bearings with cylindrical outer ring with chrome-steel insert bearing construction and concentric locking collar; compare shaft bore, inner-ring width, outer-ring form and housing seat before approval.
Measure the journal rather than assuming an old equipment list is still correct. Previous repairs may have introduced sleeves, polished seating areas or local modifications that are not recorded in the original documentation. The shaft surface also deserves attention: burrs, corrosion and old locking marks can make a new insert difficult to install even when the nominal bore is right.
MOQ: 50 pcs. Minimum order value USD 1,500; mixed orders and trial quantities welcome.
Representative
UER205
Mounting
Cylindrical outer ring with snap ring
Locking
Concentric collar
Representative bore
25 mm
D
52 mm
B
34.9 mm
Shaft-First Selection
Shaft-first buying notes
UER-SERIES belongs to the standard bearing inserts range. It is supplied as a insert bearings with cylindrical outer ring with chrome-steel insert bearing construction and concentric locking collar; compare shaft bore, inner-ring width, outer-ring form and housing seat before approval.
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.
Technical Specifications & Drawing
| Representative bore | 25 mm |
|---|---|
| D | 52 mm |
| B | 34.9 mm |
| C | 19 mm |
| S | 13.1 mm |
| B1 | 35.4 mm |
| B2 | 9.5 mm |
| a | 2.38 mm |
| f | 1.07 mm |
| D2 max | 57.9 mm |
| d1 | 49 mm |
| Setscrew | M4 |
| Weight | 0.28 kg |
| Load / Housing Strength Reference | |
| Dynamic load | 14.03 kN |
| Static load | 8.05 kN |
Shaft-First Selection
A good bearing selection starts at the shaft because every other decision depends on that interface. Bore size, shaft condition and the retention method should be established before the housing is treated as final.
Measure the journal rather than assuming an old equipment list is still correct. Previous repairs may have introduced sleeves, polished seating areas or local modifications that are not recorded in the original documentation. The shaft surface also deserves attention: burrs, corrosion and old locking marks can make a new insert difficult to install even when the nominal bore is right.
Once the shaft connection is clear, work outward to housing geometry and machine mounting. This sequence keeps two different questions separate: whether the insert belongs on the shaft, and whether the complete unit belongs on the frame. Mixing those decisions is a common reason a substitute looks convincing on paper but does not fit during maintenance.
If the shaft has visible damage, include photos and measurements in the enquiry. A replacement bearing should not be expected to correct a mechanical problem at the seating area. Addressing the shaft condition at the same time usually produces a cleaner, more repeatable repair.
Journal and housing dimensions
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
UER205 can be considered for conveyors where its cylindrical outer ring with snap 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 UER205 only where the actual moisture, contamination and cleaning conditions match the selected product family.
Related Products
SA / CSA Narrow Inner Ring Bearing Inserts
Compare mounting style, shaft locking, bore range and installation envelope before selecting the alternative.
SB / CSB Narrow Inner Ring Bearing Inserts
Compare mounting style, shaft locking, bore range and installation envelope before selecting the alternative.
Shaft-measurement RFQ
Provide the measured shaft, any sleeve or repair detail, mounting dimensions and requested quantity.
UER-SERIES belongs to the standard bearing inserts range. It is supplied as a insert bearings with cylindrical outer ring with chrome-steel insert bearing construction and concentric locking collar; compare shaft bore, inner-ring width, outer-ring form and housing seat before approval.
Measure the journal rather than assuming an old equipment list is still correct. Previous repairs may have introduced sleeves, polished seating areas or local modifications that are not recorded in the original documentation. The shaft surface also deserves attention: burrs, corrosion and old locking marks can make a new insert difficult to install even when the nominal bore is right.
MOQ: 50 pcs. Minimum order value USD 1,500; mixed orders and trial quantities welcome.
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