The wheels in the SPK series are made from high-quality grey cast iron with machined treads and edges. These features improve concentricity. Due to their hardness of 180 to 220 HB, the wheels provide excellent rolling and swivel resistance. They are also highly resistant to wear. The wheels in this series meet the tread requirements specified in crane rail standard DIN 536.
The wheels are frequently used for rail vehicles and for machine and systems engineering applications. They are also used in mobile shelving systems.
The wheels in the SPK series are available in sizes 50 - 250 mm with a ball bearing and plain bore.
The SPK series is also available as a castor with a fixed bracket:
BS series: Heavy duty welded steel fixed bracket with top plate fitting
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