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Caterpillar excavator track roller

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Caterpillar E322(CAT322) excavator undercarriage part track roller(bottom roller)

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Caterpillar E322(CAT322) excavator undercarriage part track roller(bottom roller)

  • Model:

    E322(CAT322)
  • Material:

    50Mn/40MnB
  • Colors:

    Black or yellow
  • Technique:

    Forging & casting
  • Hardness:

    HRC48-54,deepth:4mm-10mm
  • Wattanty time:

    2000 hour (Normal life 4000hours )
  • Finish:

    Smooth
  • Packing:

    Fumigate seaworthy packing
  • Product Details

E322(CAT322)  track roller

◎ Single and double-edge track roller suits for excavating machine and special machinery ranging 3 to 50 tons.
◎ Double conical sealing and lifelong lubrication designing enable the track roller to have longer service life and perfect performance in any circumstances.
◎ The shell made by hot forging treatment obtains superior structure of internal materials and fiber
◎ Differential quenching or feed-through quenching heat treatment is effective in crack resistance.

E322(CAT322) track roller


Induction Harden illustration

E322(CAT322) track roller Induction Harden illustration


Main technical parameter for some Caterpillar track rollers

E322(CAT322) caterpillar excavator track rollers

models A B C D E F G H K L M N P
CAT330 215 178 210 260 370 418 298 75 43 25.5 115 72 157
CAT325 195 160 196 242 340 380 268 70 40 21.5 106 63 146
E300B 215 180 204 250 350 398 276 70 41 20 120 53 150
E240 192 160 178 228 330 372 244 60 39 19.5 110 42 144
E200 185 150 176 214 296 340 243 60 38 22 98 66 142
E200B 185 160 176 220 296 335 244 60 38 21.5 98 68 142
E120B 170 140 161 194 265.5 301 218 50 33 17.5 80 52 130


the models above are just for reference,we can supply more products as your reuirement,please kindly send us your inquiry or click export5@vmgroup.cn here.


Production Process

E322(CAT322) Track roller Production Process

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