Product parameters

• QIBR No.QHS6-21E1Z
• KAYDON No.HS6-21E1Z
• Bearing Type Four Point Contact
• Closure Type Double Seal
• Bearing Material 42CrMo, 50Mn, Stainless Steel
• Seal Material FPM, NBR

Load Capacity

• Max gear tooth load (Fz)4,315lbs (19.191KN)
• Moment load rating (Crm)61,795ft-lbs (83794N-m)

Overall Dimensions

• Outside diameter (Do) 25.150" (638.81mm)
• Inside diameter(di)17.000" (431.8mm)
• Overall width 2.2" (55.88mm)
• Weight (lb)108lbs (48.99KG)

Mounting Holes

• Bolt circle Dia. - Outer (Lo) 23.250" (457.2mm)
• Number holes - Outer (no)18
• Bolt circle Dia. - Inner (Li) 18.500" (469.9mm)
• Number holes - Inner (ni) 15

Gear Data

• Pitch Dia. of Gear (D2)24.750 " (628.65mm)
• Diametral pitch (Pd)4" (101.6mm)
• Number of gear teeth (z2)99
• Pressure angle of gear teeth (α)20 º