• Bore Diameter (d): 1-3/4 inches (1.750 in / 44.45 mm)
• Outside Diameter (D): 2-11/16 inches (2.6875 in / 68.26 mm)
• Height / Width (B or T): 3/4 inch (0.750 in / 19.05 mm)
• Design Type: Grooved race, 3-piece separable construction
• Enclosure: Open (unsealed)