OEM Excavator Spare Parts Bottom Track Rollers for Heavy Machinery Undercarriage
OEM Excavator Spare Parts Bottom Track Rollers for Heavy Machinery Undercarriage
1. What is a roller?
The roller, a crucial component of the belt conveyor, is available in numerous types and large quantities. It effectively supports the conveyor belt and the weight of the conveyed material. Considering its significant contribution, which accounts for 35% of the total cost of the belt conveyor and generates over 70% of the resistance, the quality of the roller is of utmost importance. There are two primary materials used for rollers: steel and plastic.
2. Track Rollers Excavator Advantages / Features
| Structure | Main body | 50Mn/40Mn2 Alloy steel |
| Side cover/end cap | 50Mn/40Mn2 Alloy steel | |
| Ring float | Cr16Mo2NiCu | |
| O-ring | High-quality rubber | |
| Shaft | 45# Alloy steel | |
| Bi-metal bush /sleeve | CuPb10Sn10 | |
| Hexagon socket bolt | JB/T1000-1977 OEM | |
| Lubried oil | High quality 40# |
Heat-treated boron steel and high carbon, good metal fibrous tissue resist abrasion and impact well, long life-expectation.All OEM Brands with good casting quality and competitive price.
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 | ||
|
KOBELCO |
SK40 | 150 | 125 | 171 | 202 | ||
| SK50-6 | 125 | 100 | 128 | 205 | |||
| SK60 | 145 | 120 | 140 | 236 | 200 | 15 | |
| SK100 | 170 | 140 | 174 | 311 | 262 | 17.5 | |
| SK200-3 | 185 | 150 | 220 | 353 | 310 | 19.5 | |
| SK200-6 | 185 | 150 | 218 | 360 | 310 | 19.5 | |
| SK320 | 220 | 175 | 265 | 400 | 350 | 25 | |
| SK450 | 240 | 215 | 284 | 446 | 397 | 23 | |
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 standards
* Direct factory sales at competitive prices
* 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
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.



