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SKF linear bearing unit LUCD D

Self-aligning | LBCD D ball bearing | 12 - 50 mm

The SKF linear bearing unit LUCD D consists of a light-weight, cast aluminium housing provided with a SKF ball bearing LBCD D inside. The LBCD D is self-aligning up to +/- 0,5º. This tilting feature compensates for misalignment, which may be caused by inaccuracies in fitting or manufacturing, or by significant bending of an unsupported shaft. This ball bearing is manufactured according to ISO 10285 and therefore interchangeable on all ISO-compliant brands. With the purchase of a complete LUCD D bearing unit, you get a complete bearing including bearing house which is ready to be installed. This makes the LUCD D great if you like to buy a ready-made bearing. This bearing unit can only be used in combination with shafts provided with supports at the ends of the shaft.

The SKF linear bearing unit LUCD D is available in sizes between 12 and 50 mm. For each size there are three different versions available so you always get the appropriate bearing unit. If you are unsure which version is the most suitable, the differences are indicated below. If you are still in doubt you can always contact us on +31 (0)85 – 0661258.

Which SKF linear bearing unit LUCD D do I need:

SKF offers three different versions of the linear bearing unit LUCD D per diameter size. It is therefore important to make a choice for the inner diameter first. If you want to replace a defective or damaged bearing unit, we recommend you to look at the code indicated in the bearing unit and to order the same new bearing unit.

If the bearing may come into contact with liquids it is advisable to take the stainless steel version. A stainless-steel bearing is more resistant and the liquids will therefore not harm the bearing. If the bearing does not come into contact with liquids the standard version will do (stainless steel bearings have the code /HV6).

And last, there is a choice to be made between a bearing -2LS with double lip seals or without seals. The advantage of a two-sided sealed bearing is that it is extra maintenance-friendly. This is because you don’t need to worry about the amount or type of grease to be used. It is also no longer necessary for you to provide the bearings with new grease. Also, the bearings are protected against dust, dirt and moisture. The downside is that these seals provide some friction. This means that about 30% of the power will be lost, it is important to take this into account (bearings with two seal have the code -2LS).


The three different SKF linear bearing unit LUCD D versions briefly explained:

  • LUCD D: The standard version of the powerful SKF linear bearing unit LUCD D
  • LUCD D-2LS: Features a two-sided seal, enabling it to be used in a dusty environment.
  • LUCD D-2LS/HV6: Made of stainless steel and equipped with a two-sided seal, enabling it to be used in wet and dusty environments.
SKF linear bearing unit LUCD D

From: €51.65
Available within 72 hours
(This may differ by variant)


CAD LUCD D bearing unit
Standard implementation (Fw)2 double lip sealsWidth (L)Heart size (H)Length (A)Dynamic load ratingsStatic load ratingsStainless steel and 2 double lip seals
LUCD 12 DLUCD 12 D-2LS52 mm18 mm31 mm1080 N815 NLUCD 12 D-2LS/HV6
LUCD 16 DLUCD 16 D-2LS56 mm22 mm34,5 mm1320 N865 NLUCD 16 D-2LS/HV6
LUCD 20 DLUCD 20 D-2LS70 mm25 mm41 mm2000 N1370 NLUCD 20 D-2LS/HV6
LUCD 25 DLUCD 25 D-2LS80 mm30 mm52 mm2900 N2040 NLUCD 25 D-2LS/HV6
LUCD 30 DLUCD 30 D-2LS88 mm35 mm59 mm4650 N3250 NLUCD 30 D-2LS/HV6
LUCD 40 DLUCD 40 D-2LS108 mm45 mm74 mm7800 N5200 NLUCD 40 D-2LS/HV6
LUCD 50 LUCD 50-2LS135 mm50 mm66 mm11200 N6950 N
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SKF Bearings

SKF is the worldwide leader in the field of bearing technology. The company had acquired this positions thanks to the excellent quality and serviceability of its bearings. The company offers all kinds of bearings from a deep groove ball bearing to a cylindrical roller bearing and from a linear ball bearing to a linear shaft support block. With the purchase of a SKF bearing you are sure to have bought top quality.