Product parameters

• QIBR No. QRKS.21 0741
• SKF No. RKS.21 0741
• 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)210KN
• Static Load(C0) 520KN

Overall Dimensions

• Raceway diameter(dm)741mm
• Outside diameter (D)840mm
• Inside diameter(d)634mm
• Internal diameter on outer ring(D2) 742.5mm
• External diameter on inner ring(d2)739.5mm
• Internal Diameter on Inner Ring (d1)698mm
• Overall width 56mm
• Weight (kg) 60kg

Mounting Holes

• Bolt circle Dia.-Outer(Je)785mm
• Number holes - Outer (Ne)18
• Bolt hole Dia. -Outer (Ke)M12
• Bolt circle Dia. - Inner (Ji)662mm
• Number holes - Inner (Ni)16
• Bolt hole Dia. -Inner (Ki)18mm

Gear Data

• Gear pitch circle Dia. (do)828mm
• Modulus(m)6mm
• Number of gear teeth (z)138