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UK Insert Ball Bearing Series
UK is a standard duty bearing inserts series for insert bearing selection for compatible housings or replacement assemblies. The page keeps the complete catalogue drawing and model-by-model dimensional reference together for RFQ selection.
MOQ: 50 pcs. Minimum order value USD 1,500; mixed orders and trial quantities welcome.
UK Insert Ball Bearing Series
UK is a standard duty series configured around tapered-bore bearing insert. Its catalogue definition uses adapter sleeve locking, with individual bore and dimensional variants retained in one model table.

Series Overview
The page keeps the full series together because housing geometry and locking method define the product family more clearly than a single bore size. Exact unit numbers remain in the source table for side-by-side checking.
The series can also be compared with other mounted-bearing families when the machine design is still open. Start from the bearing index, then return to the drawing that best matches the mounting interface. Browse related bearing families.
Series-Level Selection
UK is treated as one catalogue series, with individual unit numbers retained inside the dimensional table.
Mounting Form
The primary configuration is tapered-bore bearing insert, intended for insert bearing selection for compatible housings or replacement assemblies.
Locking Logic
The catalogue identifies adapter sleeve locking for this series; confirm the exact row before ordering.
Technical Specifications
Start with these family-level identifiers before reading across the dimensional table. They are the details most likely to distinguish a neighboring series with a similar overall appearance.
| Series | UK |
|---|---|
| Catalogue Reference | Part B, page B129 |
| Product Family | Bearing Inserts |
| Duty Classification | Standard duty |
| Locking / Mounting Method | Adapter sleeve locking |
| Inner Ring / Bore Form | Tapered bore |
| Housing / Configuration | tapered-bore bearing insert |
| Material Note | Material varies by unit; confirm selected model |
Engineering Drawing
Read the drawing from the mounting interface inward. Check bolt or pilot geometry and shaft centerline first, then compare the remaining lettered dimensions with the same unit row in the catalogue table.

Applications
Mounted bearing unit assembly
For mounted bearing unit assembly, this series provides the catalogue mounting form shown above. Confirm load, speed, shaft dimensions and service environment for the chosen model.
Replacement of compatible housed inserts
UK is relevant when replacement of compatible housed inserts requires this housing format; verify shaft geometry, mounting interface, operating conditions and environment before final selection.
Custom machinery using spherical-OD inserts
For custom machinery using spherical-OD inserts, this series provides the catalogue mounting form shown above. Confirm load, speed, shaft dimensions and service environment for the chosen model.
Catalogue Dimensional Data
The dimensional data is retained as one complete source table. This is especially useful when adjacent sizes share a housing but differ in shaft, inner-ring or mounting dimensions.
Selection & Integration
For replacement work, measure the installed interface before selecting by code. Shaft size is important, but housing geometry and the locking arrangement usually decide whether a unit will fit without rework. In this family, the intended role is insert bearing selection for compatible housings or replacement assemblies.
| Step | Information To Confirm |
|---|---|
| 1 | shaft diameter |
| 2 | outer-ring/housing compatibility |
| 3 | inner-ring width and locking method |
| 4 | seal and relubrication requirement |
The model code should be verified together with its dimensional row. This is particularly important where metric and inch variants share similar housings but differ at the shaft interface.
RFQ Support
Confirm The Exact UK Configuration
If the existing code is uncertain, send the shaft size and mounting drawing instead. The series can be checked against the catalogue geometry before the quotation is finalized. Ever Power Netherlands Branch can review the quotation basis against the same reference.
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