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Quality LM8UU linear bearings

Price: £ 7.2 (£6 + £1.2 VAT)

Quality LM8UU linear bearings for smooth hassle free 3D printing

Out of stock

SKU: PRARRLM8UU Categories: , ,
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Quality, individually wrapped LM8UU bearings manufactured by KG bearings.

One of the most important things that you are going to need for your 3D printer build are the Linear bearings, or LM8UU bearings. As you shop around you are going to find these for prices between £1-3.00, these will be of a cheap low quality build, we know we have bought some (take a look at our guide to buying parts for your 3D printer build). Basically the inner retainer that holds the bearings in are of very low standard. So you have the option of buying premium quality bearings for £15-30.00 a bearing which is obviously way to expensive so we have come up with a good quality and low cost solution with our KG bearings.

Why by our LM8UU linear bearings

KG bearings is an Indian manufacturing of intermediate grade bearings. The build quality is very good and they run very smoothly, none of that grinding that you will experience with low grade bearings. This means that you smooth rods will last longer as well as your bearings saving you money in the long run. It will also save you time as you will have better quality prints due to their smooth running and you will not have to constantly take your 3D printer apart to replace bearings and smooth rods. The main difference is in the quality of the build of the ball bearing retainer that houses the bearings. Imperfections in the tracks of these retainers results in poor bearing retention and also in smoothless travel as it moves along the linear shaft.

They are individually sealed and boxed.

As with the use of all LM8UU bearings we would suggest have chamfered ends to your smooth rods to avoid displacing bearings when the smooth rods are inserted, or at the very least do it slowly keeping the two aligned properly. With the KG bearings displacement is less likely but can happen if car is not taken.


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UK Shipping

  1. Free UK Mainland Shipping on orders over £100 (incl. VAT); Free Highlands & Channel Islands on orders over £100 (incl. VAT).
  2. Free UK shipping on 3D printer filament samples.
  3. £5.40 (incl. VAT) flat rate for all UK Mainland orders under £100 (incl. VAT); Flat rate of £15.00 (incl. VAT) on Highlands & Channel Islands on orders below £100 (incl. VAT).

Orders over 2kg in weight are shipped via DHL Express orders under 2kg are shipped via Royal Mail 48hrs Tracked.

The advantage of flat rate Postage and Packaging to our customers are that if you order 1, 2, 3, 4 or 5 spools of filament the price is the same.

p.s. Were sorry about the Highland & Islands shipping costs, it’s a reflection on the increased shipping charges we have to pay.

International Shipping

We do ship internationally but ask if you can contact us to arrange an order as shipping costs can vary greatly depending upon destination and weight. Please see or International orders page for more information.

Returns & Refunds

Firstly, if you want to return a product or you have a faulty product please get in touch as soon as possible!

To prevent ordering incorrect items, if you are unsure just ask and we can offer some guidance. However, bear in mind that we cannot say whether a particular product will be right for the purpose that you intend to use it for.

You can return your goods to iDig3Dprinting for any reason within 14 business days following receipt at your delivery address as long as they are in a re-saleable condition.

Filaments & resins cannot be returned once opened as once exposed to air these items perish.

Downloadable goods and 3D print samples cannot be returned and no refund will be issued.

Shipping costs of returned items are paid by the customer

A full refund will be issued for unopened items that are returned in their original packaging that are in a “as new” re-saleable condition minus additional costs that are incurred by iDig3Dprinting like payment processing fees, custom duties or charges.

We are afraid we cannot issue refunds for products that have been defaced, altered, used, or damaged in any way. All requests for refunds are subject to inspection by iDig3DPrinting of the returned item. We are not a charity or a lending library.

Refunds and returns for faulty items works a bit differently. Faulty goods can be accepted for return upto 60 days from receipt of the goods (However we prefer to offer diagnostics and repair solutions prior to an actual return, its better for the environment). After this time you will need to contact the Manufacturer. A repair or replacement will be issued for faulty goods once they have passed inspection and been found by iDig3Dprinting to be faulty.

This is a brief account of our returns policy. For the full terms please see our Terms and conditions page. Content on the Terms and Conditions page supersedes this content.

How to raise a return request

  • email idig3dprinting at support@idig3dprinting.co.uk and we will issue a Return Authorization Number (RAN).
  • send the goods back in their original packaging.
  • Once we receive the goods back we will then check them and if everything is as it should be be will issue a refund.
  • If appropriate Refunded payments will then be issued using the original payment option. The time it takes to land in your bank account is determined by the payment gateway used not us.

The main thing is please communicate with us. We are not omnipotent!

We can be quite flexible but this is built upon a foundation of mutual respect between our customers and iDig3Dprinting.

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