Product parameters

• QIBR No. Q1290DBS204y
• NSK No.1290DBS204y
• Bearing Type Four Point Contact
• Closure Type Double Seal
• Bearing Material 42CrMo, 50Mn, Stainless Steel
• Seal Material FPM, NBR

Load Capacity

• Tangential force(Fr)58.5KN
• Related axial static load(Fa)4905KN

Gear teeth

•  Pitch diameter of gear(D0)1536mm
• Tooth modulus(m)12mm
•  Number of teeth(z)128
• Tooth width(b)90mm

Overall Dimensions

• Inside diameter of inner ring (Di)1290mm
• Outside diameter of outer ring(Da)1560mm
• Internal diameter on outer ring(Oa)1412mm
• External diameter on inner ring(Oi)1410mm
• Inner ring width(h)95mm
• Overall width(H)115mm
• Weight(w)374.5kg

Mounting Holes of Outer Ring

• Bolt circle Dia. (La)1470mm
• Number of holes (Za)36
• Diameter(da)M20
• Hole depth(ta)32

Mounting Holes of Inner Ring

• Bolt circle Dia. (Li)1330mm
• Number of holes (Zi)36
• Diameter(di)22
• Hole depth(ti)-