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

KOMATSU PC78

Product Parameters
KOMATSU Model KOMATSU PC78 QIBR Drawing No. QNA760.25Z1
Bearing Type Four-Point Contact Ball Closure Type Double Seals
Bearing Material 42CrMo, 50Mn etc Seal Material FPM, NBR
Overall Dimensions
Outer Diameter (D) 852mm Inner Diameter(d) 627mm
Overall Width(H) 75mm Width of Outer Ring (H1) 58mm
Width of Inner Ring  62mm Approximate Weight 105kg
Mounting Holes
Center Circle Diameter-Outer Ring (D1) / Center Circle Diameter-Inner Ring (D2) /
Diameter of Mounting Holes at Outer Ring 18mm Number of Holes at Outer Ring(z) 24
Diameter of Mounting Holes at Inner Ring 18mm Number of Holes at Inner Ring 24
Gear Data
Gear Tooth Width (b) / Modulus(m) /
Tip Diameter (da) / Number of gear teeth (z) 80