Name: China Excavator Upper Roller for Hitachi Manufacturers Suppliers Factory - Made in China - STONE Engineering Machinery
Brand: STONE
SKU: 232236639

Products Description

Application

Material	35MnBM
Test of Strength	≥105kg/mm2
Strength of extension	≥76kg/mm2
Bump Test	≥4kgf·m/cm2
Surface hardness	50-56
Hardness penetration	6mm~10mm

Caterpillar	E395	E390	E385
	E375	E374
	D11R	D11T	D10T
	D10R	D10N	D9R
	D9H	D9L	D9N
	D9T	D8R	D8H
	D8K	D8L	D8N
	D8T
Hitachi	EX3600	EX2500	EX1800
	EX1200	EX1100	EX800
	EX700	ZX870	ZX850
	ZX800
VOLVO	EC950	EC750	EC650
VOLVO	EC700

Characteristic

Sturdy Construction

Excavator upper rollers are built to withstand heavy loads and tough working conditions, featuring a robust construction using high-quality materials such as durable steel or specialized alloys.

Smooth Operation

They are designed to ensure smooth and efficient movement of the track chain, allowing for improved traction and reduced friction during excavator operations.

Enhanced Durability

With sealed and lubricated designs, carrier rollers are equipped to resist dirt, debris, and moisture, protecting internal components and prolonging their lifespan.

Precise Alignment

Carrier rollers are engineered with precision to achieve optimal alignment with the track chain, promoting stability and reducing excessive wear on both the roller and the track.

Easy Maintenance

These upper rollers are designed for easy installation, removal, and maintenance, facilitating quick and hassle-free servicing when necessary.

Warehousing

Since our team was established in 2004, STONE has owned a large warehouse covering an area of more than 3,000 square meters, stocking nearly 10,000 products with a total value of more than 10 million yuan. It is dedicated to providing a complete supply system for mining-level enterprise customers.

FAQ

Q: What is a carrier roller on an excavator?

A: The carrier roller on an excavator is used to support the wright of the the excavator and distribute the weight to the undercarriage averagely. Moreover, it helps guide the track chain and prevent it from slipping.

Q: What is difference between track roller and carrier roller?

A: The carrier roller also know as top roller or upper roller. It mainly helps support the wright of the excavator track chain and distribute the weight to the undercarriage evenly. Differently, the track roller also know as bottom roller or lower roller, it mainly help support the weight of the excavator to the ground. It also helps guide the track chain around the sprocket and idler.

Q: What is difference between single flange and double flange rollers?

A: The double flange rollers can provide more stable and robust connection compared to the single flange rollers.

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