carrier roller /top roller /upper roller for komatsu excavator

1.Advantage of our company:

 1)More than 300 specifications of single flange ,double flange and inner flange rollers suitable for excavators ,bulldozers .

2)Forged roller shell made of quality steel refines metal gains to form forge flow line with resonable distribution as stress characteristic .

3)Heat-treatment ,which is integrate heating and surface spray cooling under high pressure,to improve internal mechanical prosperties to prevent deformation under heavy load ,meanwhile high surface hardness and deep harden depth result in longer life .

4)Heat treated and induction hardened shaft made of quality steel to guarantee resistance to wear and heavy load .

 2.Really products for Upper roller/Carrier roller/Top roller:

3.Warehouse show:

4.Picture of factory:

5.Application types for your reference:

 KOMATSU:

D20,D21,D30,D37,D50,D55,D60PL-18,D80A-12,D85A-18,D150A-1,D155A-1,D355A -3,PC200,PC300,PC400,PC650…..

HITACHI:

EX200,EX220,EX300,EX400,EX700,EX1000,UH04,UH052,UH053,UH062,UH06DT,UH07,UH071,UH081,UH083,UH09,UH103,UH123,UH14,UH143,UH181,UH20,UH261,UH501….

KATO:

 HD400LG,,HD850,HD880SE,HD1000,HD1200G/SE,HD1500….

KOBELCO:

SK07,SK60,SK100,SK120,SK200,SK200-3,SK220-7,SK230,SK300,SK912,SK907,SK09….

MITUBISHI:

MS110-3/5,MS120,MS140,MS180-3/LC,MS240LC-8,MS300-8,MS380-2,MS450-8,H350,K909,K904E,K905/A/B,K906.K907…

CATERPILLAR:

D4D/E,D4DLGP/SA,D6D/LGP/SA,D6DH/LGP,D7/C/D/E/G/GLGP,D8H/K,D9G/H,D9H,SSD9H,E200B,320,205/LC,211,215BSA,255BSA,227,229/D,235/B/C,245,933F/G,941,943,955L,963,963LGP,973,977E/H/K/L,983/B,E120B….

HYUNDAI:

R200,R210LC-3,R225LC-7,R305LC-7,R375LC-7,R455LC-7…

LIEBHERR:

R901,R901C,R902,R911HD/B/C,R921B/C,R912,R922...

9)Other types:T170,T500,ROC604,ROC701,C60/N/L,C66N/C,BEN50,BEN55,BEN60,60/N/L,C66N/L,T90,TH100....

For more information please feel free to contact us ,and your specific enquiry will be forward without delay.