UK SERIES

UK Tapered Bore Insert Bearing

Adapter Sleeve Mounting. Catalogue-backed dimensions, exact series drawing and RFQ support from GBC.

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Product Overview

UK is the insert to consider when the mounting design uses a tapered bore and adapter sleeve. This changes the selection process: the insert model, sleeve and shaft must be treated as one mounting system.

The published drawing and dimensional table follow the GBC insert-bearing catalogue for this UK series. It is defined by tapered bore with adapter sleeve, a spherical outer ring, and the dimensional rows listed below. For broader bearing navigation, explore the Bearings range.

Dimensional Drawing

The drawing below is cropped directly from the supplied catalogue. Use its dimension letters with the table; do not scale the image to estimate dimensions.

Technical Parameters

Base metric rows and documented catalogue models are shown here. Inch-bore suffixes remain available where they appear in the catalogue; quote the complete suffix when an inch shaft is involved. Load ratings are catalogue values and should be checked together with duty, speed, lubrication and mounting conditions.

Selection and Housing Match

Match the base UK model first, then confirm the sleeve designation and the available B/C envelope. For replacement, include the old sleeve marking in the RFQ because two visually similar inserts can use different sleeve arrangements.

Installation Notes

Do not hammer a tapered insert into position. Fit the correct adapter sleeve, bring the bearing to its working position progressively, and verify the final assembly against the machine drawing. The catalogue suffix convention uses +H to identify an adapter-sleeve combination.

Tapered-bore UK inserts are selected together with an adapter sleeve. Confirm the H-sleeve reference and shaft condition before assembly; do not transfer set-screw torque values to the adapter mounting procedure.

Catalogue Construction Notes

The catalogue describes insert bearings as single-row deep-groove ball bearings and shows dual-seal and triple-lip sealing arrangements within the product family. It also documents hardened inner-ring areas and an anti-rotation device used when a spherical insert is fitted with clearance in its housing. Confirm the exact suffix when a particular seal is required.

Typical Applications

This series is considered for conveyors, agricultural machinery and industrial units where adapter mounting simplifies installation on the shaft. Application fit still depends on shaft size, housing geometry, contamination, relubrication needs and the real radial/axial load pattern. For food-processing equipment, specify any material, lubricant or washdown requirement explicitly rather than assuming the standard insert meets a hygienic specification.

Ordering Information

Model codes should be ordered exactly as documented. The catalogue uses -G for relubricatable versions in applicable SB/SA families, C-prefix notation for cylindrical outside-diameter variants, 2RS where the double-rubber-seal designation is part of the model, and +H for UK adapter-sleeve combinations. Not every suffix applies to every series.

FAQ