Optimized Slewing ring bearing for excavator,Komatsu PC300
Background Info.:
1.Machinery brand: Komatsu
2.Machine model:PC300
3.Working area: metal ore
4.Working time:12-14hs/day
Original Slewing Ring Bearing info.:
1.Type:single row ball slewing ring bearing with internal gear
2.Outter Dia.:1532.5mm
3.Inner Dia.:1235.5mm
4.Mounting hole: non-equally spaced
5.Number of  teeth:90

Optimized Slewing Ring Bearing info.:
1.Type:double row ball slewing ring bearing with internal gear
2.Raceway: Heat treatment optimized,depth of hardness
3.Surface of teeth: Quenching
4.Total weight:190mm
Original slewing ring bearing broken. According to feedback from the customer, only 2 years(or less than 10,000hs)  lifetime around related to slewing ring,datas from 100pcs excavators worked.In order to boost the lifetime, our technician would optimize the type design to double it.

LYNB Being the professional Slewing Bearings Manufacturer has the capablity of supplying with good quality.Especially in large size of  Slewing Rings[OD. Range from 5000 mm to 12,000mm ] ,we have ralatively much more advantage. We are available at all times to ensure your satisfaction, and are ready to help you anywhere in the world. Please E-mail us!