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

CAT 307D

Product Parameters
CAT Model CAT 307D QIBR Drawing No. QNA720.22Z1Q
Bearing Type Four-Point Contact Ball Closure Type Double Seals
Bearing Material 42CrMo, 50Mn etc Seal Material FPM, NBR
Overall Dimensions
Outer Diameter (D) 810mm Inner Diameter(d) 586mm
Overall Width(H) 82mm Width of Outer Ring (H1) 62mm
Mounting Holes
Center Circle Diameter-Outer Ring (D1) / Center Circle Diameter-Inner Ring (D2) /
Diameter of Mounting Holes(dn1 & dn2) 18mm Number of Holes(z) 29
Gear Data
Gear Tooth Width (b) / Modulus(m) /
Tip Diameter (da) / Number of gear teeth (z) 75