About: http://webisa.webdatacommons.org/440306461

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	What is significant is that the seal adjacent the ball bearing must maintain its sealing function so that the fluid, grease and other loose particles associated with the ball bearings cannot reach the discs.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com