Bearings,as important components in contemporary mechanical equipment,mainly support the mechanical rotating body,which can reduce the friction coefficient during its movement and ensure its rotation accuracy.
136-2823 bearings are used in the reduction gearbox system of Caterpillar heavy machinery equipment：
1362823 BEARING Caterpillar parts fit:312B, 315B,315D
MR74ZZ Miniature Shielded Bearing 4mm x 7mm x 2.5mm, the inner diameter is 4mm, outer diameter is 7mm and the width is 2.5mm, Bearing is made of Chrome Steel, each bearing has 2 Metal Sheilds to protect the bearing from dust or any possible contamination, also bearing is pre-lubricated with grease.
207-27-71330 bearings are used in the Excavator Final drive system of KOMATSU：
207-27-71330 BEARING KOMATSU parts： PC290-8K，PC350-8,PC300-8,PC270-8,PC290LC-10,PC360-7,PC308USLC-3E0,PC270-7,PC340LC-7K,PC350-7E0
279-0344 bearings are used in the reduction gearbox system of Caterpillar heavy machinery equipment：
2790344 BEARING AS-TAPERED ROLLER Caterpillar parts fit:336 , 340 , 336F , 336D2 L , 340F, 335F L ,345 GC, 330D, 330C, 328D L
