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Idler Roller

PC200-5 Idler Roller D20 Idler Roller D65 Idler Roller
E200B Idler Roller EX200 Idler Roller EX200-1 Idler Roller


Our idler roller is mainly used for matching the tensioning device to tighten and position the caterpillar belt. Meanwhile, it can help decrease the impact that is generated at the product with up and down directions by the excavator during the traveling process. Then, the noise can be reduced and the tensioning device can be protected.


The product mainly incorporates the wheel body made of 40Mn cast steel, the shaft made of the 45Cr steel, the support stand made of the 65Mn cast steel, and other standard parts. The wheel body and the support stand are fabricated by using the integral precision casting and the material of high strength premium structural steel. The idler roller can be applied to the machinery with the brands including Caterpillar, Komatsu, Hitachi, Daewoo, Sumitomo, Kobelco, Hyundai, and Volvo.

Idler Roller

Technical Specification
Model E200B D20 D65 EX200 PC200-5 EX200-1
Color Yellow, Black Yellow, Black Yellow, Black Yellow, Black Yellow, Black Yellow, Black
Wheel Material ZG40Mn ZG40Mn ZG40Mn ZG40Mn ZG40Mn ZG40Mn
Shaft Material 45Cr 45Cr 45Cr 45Cr 45Cr 45Cr
Bush Material CuPb10Sn10 CuPb10Sn10 CuPb10Sn10 CuPb10Sn10 CuPb10Sn10 CuPb10Sn10
Floating Oil Seal Material 15Cr3M 15Cr3Mo 15Cr3Mo 15Cr3Mo 15Cr3Mo 15Cr3Mo

Technical Parameters (Part 1)

Model A B C D E F G H I
E200B 205 160 84 500 536 305 270 60 M16
ZAX240 214 160 84 500 536 110 285 65 M16
EX300-5 262 204 103 570 617 132 321 70 M16
EX200-1 226 160 84 500 536 80 288 64 M16
PC60-5 152 100 43 414 444 242 200 40 M14
DH220 216 160 84 500 536 80 288 64 M16
PC100 185 116 52 485 515 301 227 44 M14
PC200-5 248 165 85 500 536 196 280 65 M16
PC300-5 262 190 103 590 630 252 360 60 M20
SK200 232 160 84 500 535 250 280 M16
SH200 206 160 84 500 535 42 285 90 M16
R290-5 286 200 102 590 635 290 360 65 M16

Technical Parameters (Part 2)

Model A B C D E F G H I
E325-5 233 190 93 540 580 328 290 60 M20
R225-7 271 162 84 520 560 215 308 65 M16
SK100 200 135 62 450 490 205 240 M12
R55 158 106 52 358 384 202 178 50 M12
DH300 235 202 100 589 630 98 322 70 M16
DH55 154 98 48 360 387 60
E55 102 45 340 374 210 138 56 M12
EC55B 100 48 344 372 224 140 68 M12
EX100 210 135 72 454 490 81.5 260 70 M16
R200 265 162 85 530 566 215 302 65 M16
R210-3 248 163 85 520 560 195 280 66 M16
E3330 267 214 97 636 681 370 350 60 M20

Related Names
Crawler Excavator Parts | Hitachi Excavator Attachments | Track Idler


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