New accessories for miniature corrosion-resistant guideways

Schaeffler UK is extending its range of miniature, corrosion-resistant linear ball bearings and guideway systems, with a range of new accessories, including steel end pieces and long-life lubrication units.

A new 48-page catalogue entitled Corrosion-resistant miniature linear ball bearing and guideway assemblies (TPI 163) includes all the new accessories and options for two-row and four-row ball bearing guidance systems.

Carriages on two-row miniature guides, for example, can now be supplied with the KWEM..-LZM long-term lubrication unit, which is fitted in the return hole of the saddle plate. This provides an increased lubricant reservoir, thereby providing for a reliable supply of lubricant in any mounting position and offering an extended grease operating life.

Also new to the catalogue is the KWEM..-MKS range of metal end pieces. These are made from corrosion-resistant steel and are able to withstand high temperatures up to +180degC. Compared with polymer end pieces, the steel versions offer higher strength and higher dynamic characteristics, making them suitable for linear guides that need to perform in extreme temperature, radiation or dynamic environments.

Design and safety data

As well as providing technical data on the product range, the new catalogue also contains useful design and safety information, including load carrying capacities, basic rating life, static load safety factor, preload and accuracy.

Schaeffler's range of two-row and four-row miniature linear ball bearing and guideway assemblies are full-complement, preloaded linear locating bearings for unlimited stroke lengths. Each unit comprises at least one carriage with a locating face and a guideway. These guidance systems support loads from all directions (apart from the direction of motion) and moments about all axes.

Two-row units have two rows of rolling elements in four-point contact with the raceways. KUME..-C units have four rows of rolling elements in two-point contact with the raceways to transmit forces at a contact angle of 45 degrees. The guidance systems have moderate load-carrying capacity and moderate-to-high moment load-carrying capacity. These units are suitable for accelerations up to 50m/s2 and speeds of up to 180m/min. Saddle plates and guideways are made from corrosion-resistant steel.

For more information on Schaeffler's range of corrosion-resistant miniature linear ball bearing and guideway assemblies or for a free copy of catalogue TPI 163, go to or telephone the marketing department on +44 (0)121 351 3833.

Schaeffler (UK) Ltd

Unit 308, Fort Dunlop
Fort Parkway
B24 9FD

+44 (0)121 313 5830

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