– Dimensionally interchangeable with SPM types, they guarantee good fluency and higher lightness at cheaper price.

– Housing and cover cap made of pressed metal sheet.-Inner ball race made of machined and hardened steel.

– Version with the big ball made of plastic material:

– to handling particularly gentle surfaces as glass or crystal sheets, wood panels, painted or glazed pressed metal sheets, and so on;*

– to guarantee a good fluency even in presence of light loads, the felt sealing system is not present;*

– usually they are not suitable in applications with the big ball downwards;*

– working temperatures 0°/60°.*

 

 

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