Product parameters

• QIBR No. QRK6-25E1Z
• KAYDON No. RK6-25E1Z
• 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)4845lbs (21.55KN)
• Moment load rating (Crm)42330ft-lbs (57399N-m)

Overall Dimensions

• Outside diameter (Do)29.15 " (740.41mm)
• Inside diameter(di) 21.03" (534.16mm)
• Internal diameter on outer ring(Di) 25.28 " ( 642.11mm)
• External diameter on inner ring(do)25.2 " (640.08mm)
• Internal diameter on inner ring(dr)23.55 " (598.17mm)
• Overall width 2.205" (56.007mm)
• Weight (lb)115 lbs (52KG)

Mounting Holes

• Bolt circle Dia. - Outer (Lo)27.25 " (692.15mm)
• Number holes - Outer (no) 15
• Bolt circle Dia. - Inner (Li)22.13 " (562.1mm)
• Number holes - Inner (ni) 18

Gear Data

• Pitch Dia. of Gear (D2)28.75 " (730.25mm)
• Diametral pitch (Pd)4" (101.6mm)
• Number of gear teeth (z2)  115
• Pressure angle of gear teeth (α) 20 º