DualVee® WSS227 series guide wheels are linear guide bearings with double row angular contact ball bearing arrangement. Precision ground 90º vee inside or outside surfaces can be employed to support loads and provide smooth and quiet motion. Use with DualVee® guide track for linear motion. Shielded to protect against large debris contamination and impact. All stainless steel components and internally lubricated with Krytox GPL 227 grease for high heat and clean room compatibility. Heat stabilized components allow for operating temperatures to 500º F or 260º C.