One of the core industrial bearings of QIBR, the strongest support for your industry!

CAT 305.5

Product Parameters
CAT Model CAT 305.5 QIBR Drawing No. QNA690.22Q
Bearing Type Four-Point Contact Ball Closure Type Double Seals
Bearing Material 42CrMo, 50Mn etc Seal Material FPM, NBR
Overall Dimensions
Outer Diameter (D) 1682mm Inner Diameter(d) 1319mm
Overall Width(H) 138mm Width of Outer Ring (H1) 119mm
Mounting Holes
Center Circle Diameter-Outer Ring (D1) / Center Circle Diameter-Inner Ring (D2) /
Diameter of Mounting Holes(dn1 & dn2) 25mm Number of Holes(z) 44
Gear Data
Gear Tooth Width (b) / Modulus(m) /
Tip Diameter (da) / Number of gear teeth (z) 111