Our 1728 open bore adapter is used to press 17x28 sealed bearings. The adapter is machined with one step at 27mm OD, which fits in to the center of the sealed bearing.

• Installs: 17287 bearing
• Inner Step Outer Diameter: 16.8mm
• Outer Diameter: 27.8mm
• Thickness: 7.5mm
• Thru Hole Diameter: 0.387" (9.8mm)
• Inner hole sized to fit 3/8" ACME threaded rod
• Compatible with PRESS-1 or PRESS-4 handles
• Machined, red anodized aluminum
• Sold individually (2 drifts required for some installations)