Product parameters

• QIBR No. QRKS.21 0641
• SKF No. RKS.21 0641
• Bearing Type Four Point Contact
• Closure Type Double Seal
• Bearing Material 42CrMo, 50Mn, Stainless Steel
• Seal Material FPM, NBR

Basic Load Ratings

• Axial dynamic load (C)200KN
• Static Load(C0) 440KN

Overall Dimensions

• Raceway diameter(dm)641mm
• Outside diameter (D)742mm
• Inside diameter(d)534mm
• Internal diameter on outer ring(D2) 642.5mm
• External diameter on inner ring(d2)639.5mm
• Internal Diameter on Inner Ring (d1)598mm
• Overall width 56mm
• Weight (kg) 52kg

Mounting Holes

• Bolt circle Dia.-Outer(Je)685mm
• Number holes - Outer (Ne)16
• Bolt hole Dia. -Outer (Ke)M12
• Bolt circle Dia. - Inner (Ji)562mm
• Number holes - Inner (Ni)16
• Bolt hole Dia. -Inner (Ki)18mm

Gear Data

• Gear pitch circle Dia. (do)732mm
• Modulus(m)6mm
• Number of gear teeth (z)122