20Y-30-00012 PC200,PC200-3,PC200-5,PC200-7,PC200-8 Track Roller#Bottom Roller#Lower Roller#Excavator undercarriage parts

Short Description:

The track roller is composed of shell,collar,shaft,seal,O-ring,bushing bronze,plug,lock pin.

the function of the track roller is to convey the weight of excavator to the ground.

When excavator is run on uneven ground,track rollers carry a tremendous impact.

Therefore,the support of track rollers is huge.Moreover,if it is of poor quality and is often dusty,it needs a very good sealing to prevent dirt,sand,and water from damaging it.

With high quality hardness ware-resisting alloy chrom&molybdenum floating seal and elastic rubber O ring,deep hardnedd wear surface,good quality bronze bushings,steel shaft made by round steel or forging,well lubricated oil recycle system,we are your best choice.

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KOMATSU

PC05/PC07、PC12R/PC15R、PC10-7、PC20/30、PC20R-8、PC30MR-1、PC40/45、PC40MR、PC50MR-2、PC56、PC60-5、PC60-6、PC60-7（Bilateral）、PC75-3、PC75UU/PC78、PC60-6（Rubber Tracks）、PC100-/3/5 、PC120-3、PC200-5、PC200-3、PC200-7、PC220/240-7(Large）、PC300-3、PC300-5、PC300-6、PC300-7、PC300-8、PC400-3/5、PC400-6、PC400-7、PC650-5、PC1000-1

HITACHI

EX08、EX12/15、EX30、EX30-2、EX55/ZX55/ZAX60、EX40-1、EX40-2、EX50、EX60-1、EX60-2/3、EX60-5、EX70/75、EX90-1、EX100M-1/EX150-1、EX100-1、EX100-2/5、EX200-1、EX200-2、EX200-5、EX220-/1、EX270-1/EX300-1、EX300-5/EX350、EX400-1、EX400-3/5、ZX17、ZX30U-2、ZX38U、ZX40U-1、ZX40U-2、ZAX50、ZX60、ZAX135、ZX200-3、ZAX200-5G、ZX240、ZX330、ZAX330-3、ZX470、AX30

CATERPILLAR

E18、CAT301.5、CAT302CCR、CAT302.5、E303、E303CCR、E304MR、CAT305、E306E、E70B、E120B/E110/E120、 E312、E200B、E320、E323、E324、E240、E300B、E300、CAT322、CAT325、CAT330、E336D、E345、E450

KOBELCO

SK15、SK020SR、SK024/SK025、SK25SR、SK027、SK030、SK30SR、SK35SR、SK40、SK045、SK045SR、SK042-1、SK042-2、SK50、SK50SR、SK060/SK75、SK100/120、SK120-W、SK07-1、SK07-2、SK07N2、SK09N2、SK300、SK300-5、SK200-/3/5、SK045(10tons）、SK200-6、SK200-8、SK220-3、SK220-5、SK230、SK260/SK250-8、SK310、SK320、SK330/SK350、SK380、SK400-3/SK450/SK460