The Track Roller, also known as Bottom Roller or Lower Roller, is an important undercarriage component installed beneath the track frame of Hitachi RH30 crawler excavators.
The roller supports the machine weight, maintains track chain alignment and ensures stable crawler movement during travelling and excavation operations.
For compact excavators, track rollers are exposed to:
A worn or damaged track roller may cause:
Our Hitachi RH30 track rollers are manufactured with professional undercarriage production technology to provide reliable aftermarket replacement solutions for equipment dealers, repair workshops and machine owners.
Designed for:
Suitable for:
Available configurations:
Suitable for different track frame positions.
Manufactured from:
40Mn2 Alloy Steel
Advantages:
The roller tread surface is induction hardened:
Improves resistance against:
Equipped with:
Designed to prevent:
Manufactured with:
Provides direct bolt-on replacement without modification.
| Item | Specification / Detail |
|---|---|
| Product Type | Excavator Undercarriage Track Roller |
| Machine Model | Hitachi RH30 Excavator |
| Applicable Machine Weight | Approx. 3 Ton Class |
| Roller Structure | Heavy-duty Steel Body with Precision Machining |
| Material Grade | 40Mn2 Alloy Steel |
| Manufacturing Process | Forging / Casting + CNC Machining |
| Heat Treatment | Induction Hardening |
| Surface Hardness | HRC 50-58 |
| Hardening Depth | 5mm-10mm |
| Seal System | Heavy-duty Floating Oil Seal |
| Lubrication System | Lifetime Internal Lubrication |
| Bearing Structure | Hardened Shaft + Wear-resistant Bushing |
| Quality Inspection | Dimension, Hardness and Sealing Inspection |
| Flange Type | Single Flange (SF) / Double Flange (DF) |
| Installation | OEM Standard, Bolt-on Direct Replacement |
| Shipping Note | Small Component — Air or Sea Freight Available |
The Track Roller, also known as Bottom Roller or Lower Roller, is an important undercarriage component installed beneath the track frame of Hitachi RH30 crawler excavators.
The roller supports the machine weight, maintains track chain alignment and ensures stable crawler movement during travelling and excavation operations.
For compact excavators, track rollers are exposed to:
A worn or damaged track roller may cause:
Our Hitachi RH30 track rollers are manufactured with professional undercarriage production technology to provide reliable aftermarket replacement solutions for equipment dealers, repair workshops and machine owners.
Designed for:
Suitable for:
Available configurations:
Suitable for different track frame positions.
Manufactured from:
40Mn2 Alloy Steel
Advantages:
The roller tread surface is induction hardened:
Improves resistance against:
Equipped with:
Designed to prevent:
Manufactured with:
Provides direct bolt-on replacement without modification.
| Item | Specification / Detail |
|---|---|
| Product Type | Excavator Undercarriage Track Roller |
| Machine Model | Hitachi RH30 Excavator |
| Applicable Machine Weight | Approx. 3 Ton Class |
| Roller Structure | Heavy-duty Steel Body with Precision Machining |
| Material Grade | 40Mn2 Alloy Steel |
| Manufacturing Process | Forging / Casting + CNC Machining |
| Heat Treatment | Induction Hardening |
| Surface Hardness | HRC 50-58 |
| Hardening Depth | 5mm-10mm |
| Seal System | Heavy-duty Floating Oil Seal |
| Lubrication System | Lifetime Internal Lubrication |
| Bearing Structure | Hardened Shaft + Wear-resistant Bushing |
| Quality Inspection | Dimension, Hardness and Sealing Inspection |
| Flange Type | Single Flange (SF) / Double Flange (DF) |
| Installation | OEM Standard, Bolt-on Direct Replacement |
| Shipping Note | Small Component — Air or Sea Freight Available |
