Product parameters

• QIBR No.QHS6-21N1Z
• KAYDON No.HS6-21N1Z
• Bearing Type Four Point Contact
• Closure Type Double Seal
• Bearing Material 42CrMo, 50Mn, Stainless Steel
• Seal Material FPM, NBR

Load Capacity

• Moment load rating (Crm)61795ft-lbs (83794N-m)
• Maximum Allowable Gear Tooth Load (Fz)4966lbs (22.09KN)

Overall Dimensions

• Outside diameter (Do)25.500" (647.7mm)
• Inside diameter(di)17.600" (447.04mm)
• Overall width 2.2" (55.88mm)
• Weight (lb)117lbs (53.07KG)

Mounting Holes

• Bolt circle Dia. - Outer (Lo)24.000" (609.6mm)
• Number holes - Outer (no)12
• Bolt circle Dia. - Inner (Li)19.630" (498.6mm)
• Number holes - Inner (ni)20

Gear Data

• Pitch Diameter of Gear (D2)18.000" (457.2mm)
• Diametral Pitch (Pd)4" (101.6mm)
• Number of Gear Teeth (z2) 72