Specifications:

• Ball Material: Stainless steel
• Brand Name: FREERUN
• Cage/Retainer type: Crown retainer or Ribbon Retainer
• Coatings: Other
• Material: Steel
• Model Number: 688-2RS
• Number of Row: Single Row
• Oil Lubrication: Shell Air Oil#12
• Precision Rating: ABEC-3
• -standard of balls: G10 as DIN 5401, ISO 3 290
• Rings' Material: Chrome steel
• RoHs: We are complying 100% with the EU Directives for RoHS and WEEE
• Seals Type: 2RS RUBBER
• Structure: Deep Groove
• Structure: Other
• Surface Roughness: Ra 0.05