EX70 HITACHI Bottom Track Rollers Single Flange Undercarriage Rollers
D500/D600 Conveyor Track Roller Single Flange OEM Bulldozer Spare Parts SF Undercarriage Parts
1. What is a roller?
The roller, which is an important part of the belt conveyor, has many kinds and large quantities and can support the conveyor belt and the weight of the material. It accounts for 35% of the total cost of a belt conveyor, which produces more than 70% resistance, so the quality of the roller is particularly important. It has two kinds of steel and plastic.
2. Track Rollers Excavator Advantages / Features
* Through quench-tempering processes to ensure excellent mechanical properties, high strength and superior wear resistance to bending and breakage.
* Surface hardness HRC40-55 for reduced wear and longer life, adding value to your products further to your business by maximizing durability of your products.
* Track roller with precision engineered components, careful heat-treatment, and lifetime sealing system, the rollers are assured of long life. The roller shells are forged from deep hardening steel and are designed to resist bell mouthing. All rollers carry a manufacturer's warranty.
3. Production Processes
4. Track Roller Structure
5. Design/Structure/Main Dimensions of Installation
MAIN PARAMETERS
| Brand | Model | Main Dimensions of Installation | |||||
| A | B | E | G | M | L | ||
| HITACHI | EX30 | 108 | 85 | 112 | 172 | ||
| EX60-1 | 145 | 120 | 152 | 248 | 218 | 15 | |
| EX60-2/3 | 145 | 120 | 152 | 248 | 216 | 15 | |
| EX60-5 | 135 | 112 | 140 | 227 | 197 | 15 | |
| EX100 | 160 | 135 | 184 | 285 | 250 | 17.5 | |
| EX120 | 160 | 135 | 184 | 285 | 250 | 17.5 | |
| EX150-1 | 170 | 140 | 200 | 304 | 267 | 17 | |
| EX200-1 | 185 | 180 | 220 | 356 | 318 | 18 | |
| EX200-2 | 185 | 150 | 218 | 330 | 290 | 19 | |
| EX200-2B | 195 | 160 | 218 | 330 | 290 | 19 | |
| EX220-1 | 195 | 160 | 218 | 360 | 325.4 | 17 | |
| EX270-1 | 215 | 180 | 256 | 410 | 368 | 21.5 | |
| EX300-2/3 | 215 | 180 | 256 | 410 | 368 | 21.5 | |
| EX355 | 215 | 180 | 256 | 410 | 368 | 21.5 | |
| EX400-3/5 | 215 | 180 | 256 | 410 | 368 | 23.5 | |
| EX450-5 | 240 | 200 | 284 | 447 | 400 | 23.5 | |
| UH052 | 170 | 140 | 200 | 304 | 267 | 17 | |
| UH07 | 185 | 150 | 220 | 356 | 318 | 18 | |
| UH083 | 170 | 140 | 200 | 304 | 267 | 17 | |
The models above are just for reference, many models we can't list here.we can supply more products as your requirement. Please feel free to send us your inquiry or email if you have any requirements.
6. Our Advantages
* World-class quality
* Factory sale directly with reasonable price
* 35 years' experience in Excavator & Bulldozer spare parts manufacturing
* Flexible payment terms including T/T, L/C and so on
* Fast delivery within 30 days after contract established
* Professional sales team, quality inspection, and report, maritime logistics guidance
* After-sale services: video technical support,24h online support
7. Hot Sale Products
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.




