McKissick Standard API 8C Oilfield Sheaves – Tapered Bearing – Roll-Forged

Material: Roll-Forged

Construction: Tapered Bearing

• Roll-Forged sheaves are available in sizes up to 78" in diameter.
• Applications should provide for tightening separator plates against bearing cones to adjust and insure proper function of bearing.
• Each sheave in the table below has a machined bore sized to accept the respective bearing number shown.
• The sheaves are provided from the factory plain bore (the bearings are not included).
• Part No.: 2030311
• Outside Diameter (in.): 20
• Wire Rope Diameter (in.): 9/16
• Bore Diameter (in.): 4.722
• Bearing: NA-483-SW-472-D
• Bearing Diameter (in.): 2.756
• Bearing Width (in.): 2.75
• Rim Width (in.): 2.75
• Nominal Tread Diameter (in.): 17.62
• Nominal Hub Outside Diameter (in.): 6.5
• Weight (lb): 80