Sliding bearings – Bushings

Here you will find everything about our sliding bearings / bushings

Sliding bearings is a type of shaft bearing that can manage higher loads than for example ball bearings.
Among sliding bearings there are many choises depending on load, rpm and environment.

Thin-walled sliding bearings

Our slotted steel/PTFE greaseless sliding bearing is the most common type of sliding bearing that can manage high loads and an rpm around 2-3 dm/sec. As an option, you can have this bearing with acetal coating of type BK2, which can be suitable with edge loads and dirty environments where you wish to lubricate. In outdoor environments, our slotted bronze bushing with internal grease pockets (FB090) may be suitable. These manage relatively high loads and should be lubricated reguarly.

Sliding bearings of polyamide

Plastic/nylon bearings PA and PAF is an inexpensive simple type of bearing, but with precision adjustment like the other bearings. This is a good choice in applications with small forces, low rpm and non corrosion is a requirement. Polyamide absorb a relatively high amount moisture (8-10%). At high humidity this should be taken into consideration when choosing shaft tolerance. Polyamide bushings are greaseless, but initial lubrication and regular relubrication  reduces wear and friction. If the humidity is high and the shaft tolerance is already determined, our polyamide bearings can be ordered with added molybdenum disulphide. This option has two benefits; insegnificant mosture absorbtion and lower friction (longer life span). See bearings from IGUS and NYLONIT.

In addition we also have sintered bronze bushings that manage relatively high rpm, however low loads. Massive bronze bushing JR and JF manage higher loads but lower rpm than sintered bronze.
At extreme loads, for use in for example construction machines, our hardened sliding bearings of type CX and BGFR can be used. These require a surface hardness of minimum 60 HRC on the shaft and must be lubricated. Have a look at our page “Sliding bearings facts” in the menu below for further information about other sliding bearings .

We will gladly help you in choosing sliding bearings.