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New axle roller bearings for trams

The development of axle roller bearings for trams was completed in the ZKL Klášterec nad Ohří production plant as a proof of the continuous expansion of the range for rolling stock withing the ZKL Group. The pair of PLC 410-77/78 bearings is of the WJ/WJP design type with increased requirements for the accuracy of matching. These bearings were manufactured for the assembly of new trams by a Polish manufacturer.
 
Technical parameters of the bearings:
Axle diameter: 120 mm
Maximum vehicle speed: 70 km/h
Maximum static load on the bearing pair: 50 kN
Tram wheel diameter: 610/530 mm
 

ZKL

ZKL is the biggest manufacturer of large-scale spherical-roller, special and split bearings in Central Europe.

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