Product parameters

• QIBR No. QRK6-25N1Z
• KAYDON No. RK6-25N1Z
• 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)5440lbs (24.20KN)
• Moment load rating (Crm) 42330ft-lbs (57399N-m)

Overall Dimensions

• Outside diameter (Do)29.45 " (748.03mm)
• Inside diameter(di) 21.6" (548.64mm)
• External Diameter on Outer Ring (Dr)26.93 " (684.02mm)
• Internal diameter on outer ring(Di) 25.28 " (642.11mm)
• External diameter on inner ring(do) 25.2 " (640.08mm)
• Overall width 2.205" (56.007mm)
• Weight (lb)106 lbs (48KG)

Mounting Holes

• Bolt circle Dia. - Outer (Lo) 28.38 " (720.85mm)
• Number holes - Outer (no) 12
• Bolt circle Dia. - Inner (Li) 23.63 " (600.2mm)
• Number holes - Inner (ni) 18

Gear Data

• Pitch Dia. of Gear (D2) 22 inch" (558.8mm)
• Diametral pitch (Pd) 4" (101.6mm)
• Number of gear teeth (z2)  88
• Pressure angle of gear teeth (α) 20 º