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UCHA Series Hanger Bearing Units
UCHA Series hanger bearing unit for applications where the shaft support is suspended from above or integrated into a hanger structure rather than mounted on a base plate. Catalog evidence covers the set screw type and suspended/hanger housing; confirm the exact size row and operating conditions before ordering.
This series addresses a familiar bearing-unit question: the shaft support is suspended from above or integrated into a hanger structure rather than mounted on a base plate. In the supplied catalog, UCHA Series is shown as hanger bearing unit with set screw type and suspended/hanger housing. For UCHA Series, quotation work moves faster when the source designation, shaft or bore dimension and the controlling mounting measurements are checked before optional seal, grease or housing requests are discussed.
Product Role
Its main job is not merely to reduce friction; it must also hold the intended shaft line relative to the mounting surface. For this UCHA Series family, the drawing should be treated as the interchange reference because the suspended/hanger housing governs where the shaft centerline actually sits.
Construction & Fit
The drawing indicates the dimensional chain that has to remain compatible during replacement. For UCHA Series, that chain includes set screw type at the shaft and suspended/hanger housing at the machine. The UCHA Series support should sit naturally on the machine. Pulling the UCHA Series unit into position with bolts can consume whatever alignment tolerance its bearing arrangement provides.
Applications
Representative machinery includes screw conveyors, suspended shafts, material-handling equipment and machine frames with overhead bearing supports. For UCHA Series, a compact installation that blocks removal tools or grease access may create unnecessary maintenance time later.
Engineering Review
UCHA hanger units support a shaft from a suspended or overhead structure, so the mounting stud or hanger interface carries the weight and reaction differently from a base-mounted pillow block. Measure the shaft center relative to the hanger connection and verify that the supporting member can accept the cataloged geometry. A similar bearing insert in a different housing does not reproduce the same load path.
Access is often the difficult part of a hanger installation. Note whether the locking device and lubrication point can be reached from a platform or service side after the unit is installed. During replacement, support the shaft so the hanger is not carrying uncontrolled weight while fasteners are removed. Photos that show the full suspension arrangement help engineering review far more than an isolated product image.
For hanger units, inspect the suspension point for bending, thread damage or elongated holes before focusing on the bearing. The support above the unit controls where the shaft centerline sits. During shutdown, temporarily support the shaft and then check whether the hanger returns to a neutral position. If it springs sideways, the surrounding structure may be preloading the bearing. Include that observation with the replacement request.
Measure from the hanger attachment to a fixed structural datum on both sides of the machine when two suspended supports share a shaft. Unequal values can reveal a support problem before the bearing is replaced. Keeping this simple geometry in the maintenance record makes later UCHA alignment checks repeatable instead of subjective.
Technical Specifications
| Parameter | Specification / Selection Note |
|---|---|
| Product form | Hanger bearing unit |
| Catalog series | UCHA Series |
| Shaft locking | Set screw type |
| Machine mounting | Suspended/hanger housing |
| Material confirmation | Confirm the exact material grade for UCHA Series on the quotation or current drawing; this page does not infer grade from appearance |
| Seal / lubrication review | Check the selected UCHA Series designation together with speed, contamination and cleaning conditions |
| Technical source | Supplied bearing catalog, PDF page 41 |
Dimensional Data
Core UCHA Series dimensions are transcribed below for faster comparison. Do not treat the reduced UCHA Series table as a replacement for the source drawing; use the gallery specification image to verify the final model and any omitted columns.
| Catalog Series | Shaft Lock / Interface | Unit Form | Mounting Geometry | Source |
|---|---|---|---|---|
| UCHA | Set screw type | Hanger unit | Suspended mounting | PDF page 41 |
Selection Notes
The buyer should first identify what the machine physically constrains. The UCHA Series selection record should include shaft size, the machine-side suspended/hanger housing dimensions, and the exact set screw type arrangement. For UCHA Series, add speed, load direction, operating hours and contamination notes so the quotation is based on duty as well as geometry.
Mounting & Integration
Establish the hanger centerline from the shaft rather than from the surrounding sheet metal, secure the support, check vertical and lateral alignment, and lock the insert only after the shaft turns freely. The main installation hazard for UCHA Series is that hanger alignment is sensitive to structural deflection; a bearing that aligns correctly when empty may shift when the supported equipment is loaded. The last mechanical check for UCHA Series is simple: confirm free movement and make sure the assembly was not pulled out of alignment by final bolt torque.
Maintenance & Inspection
Inspect the hanger attachment as part of the bearing check because structural movement can mimic a bearing problem; keep the grease path accessible from the service side. Service decisions for UCHA Series should follow observed duty: high contamination or washdown may justify shorter inspection intervals even when operating hours are low.
Customization & RFQ
For UCHA Series, combine model identification with measured geometry instead of relying on an image search or a shortened part number. For UCHA Series, also state whether the location sees washdown, dust, fertilizer, food-process cleaning, corrosive chemicals or unusual temperature. Ever Power Netherlands Branch can then review options for UCHA Series against the supplied application instead of presenting unverified material, seal or grease claims as standard catalog facts.
Cataloged Models
Cataloged references covered here are UCHA200-series hanger units shown in the catalog. For UCHA Series, retain the exact suffix, bore form and related housing reference from the source when the goal is a drop-in replacement.
Product FAQ
What should be matched first when replacing UCHA Series?
The first replacement check for UCHA Series is physical fit. Measure the shaft or bore and the controlling suspended/hanger housing dimensions, then confirm the set screw type and full catalog code. Photos help identify the family but do not prove interchange.
Can the locking method be changed to another bearing family?
Changing the UCHA Series locking concept may require different shaft preparation or additional axial clearance. Treat a locking change on UCHA Series as a reviewed redesign and verify the complete dimensions before ordering.
How should sealing and lubrication requirements be specified?
Specify environment and duty rather than assuming one lubrication rule for every UCHA Series unit. For UCHA Series, speed, hours, contamination level, washdown and temperature are the inputs needed for a meaningful review.
What should be included with the quotation request?
Include model identification, shaft size, suspended/hanger housing dimensions, speed, duty direction, quantity and installation photographs for UCHA Series. If the old UCHA Series part is unreadable, a measured sketch is more useful than an assumed cross-reference.
Evidence Note
This UCHA Series record uses the supplied PDF as its specification source; where a value is not clear in that scan, the page asks for confirmation instead of filling the gap from a generic table. The gallery drawing for UCHA Series is a direct catalog crop, not an AI-generated technical illustration. Any application visualization added later for UCHA Series should be treated as illustrative rather than as dimensional evidence.
Product facts for UCHA Series stay tied to PDF page 41; when the scan does not support a specification, the enquiry asks for confirmation instead of borrowing a number from another manufacturer's table.
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