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SKF linear bearing unit LUNE D

Self-alinging| Clearance adjustable | 12 - 50 mm

The SKF linear bearing unit LUNE D consists of a solid extruded 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. The LUNE D has a slotted housing with an adjustment screw. With the purchase of a complete LUNE D bearing unit, you get a complete bearing including bearing house which is ready to be installed. This makes the LUNE 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. In contrast tot the LUC. versions of SKF, the aluminium housing of the LUN. versions comprises the entire bearing. This decreases the risk of pollution and ensures that LUN. versions can be mounted differently. The bearing unit is provided with pre-drilled holes on the bottom so that it can be secured to prevent movement.

The SKF linear bearing unit LUNE 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 LUNE D do I need:

SKF offers three different versions of the linear bearing unit LUNE 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 LUNE D versions briefly explained:

  • LUNE D: The standard version of the powerful SKF linear bearing unit LUNE D
  • LUNE D-2LS: Features a two-sided seal, enabling it to be used in a dusty environment.
  • LUNE 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 LUNE D

From: €54.65
Available within 72 hours
(This may differ by variant)


CAD LUNE 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
LUNE 12 DLUNE 12 D-2LS43 mm18 mm32 mm1080 N815 NLUNE 12 D-2LS/HV6
LUNE 16 DLUNE 16 D-2LS53 mm22 mm37 mm1320 N865 NLUNE 16 D-2LS/HV6
LUNE 20 DLUNE 20 D-2LS60 mm25 mm45 mm2000 N1370 NLUNE 20 D-2LS/HV6
LUNE 25 DLUNE 25 D-2LS78 mm30 mm58 mm2900 N2040 NLUNE 25 D-2LS/HV6
LUNE 30 DLUNE 30 D-2LS87 mm35 mm68 mm4650 N3250 NLUNE 30 D-2LS/HV6
LUNE 40 DLUNE 40 D-2LS108 mm45 mm80 mm7800 N5200 NLUNE 40 D-2LS/HV6
LUNE 50LUNE 50-2LS132 mm50 mm100 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.