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Products information 1)Idler roller body material: 50Mn/40Mn2/42CrMo 2)Surface hardness: HRC48-55 ; 3)Shaft material: 40Cr/#45Carbon steel 4)Bearing/Bushing material: GCr15 5)Package: packed in strong pallets 6)Application: Used to support the track, prevent sagging, and maintain tension and linear guidance.
Long wear parts@ supply high quality Fiat-Hitachi Carrier Roller,Fiat-Hitachi Upper Roller,Fiat-Hitachi Top Roller,Fiat-Hitachi Rodillos Superiores,Fiat-Hitachi Rullo Superiore.
1) Dimensions
Outer Diameter: 200–450 mm (Varies by model)
Wheel Width: 120–220 mm
Axle Diameter: 50–90 mm
Center Distance: Customized to track frame specifications
2) Load Capacity
Small (6–15 tons): 3–8 tons per wheel
Medium (20–30 tons): 10–18 tons per wheel
Large (Over 40 tons): 20–35 tons per wheel
3) Service Life & Operating Conditions
Heavy-Duty Mining: ≥ 3,000 hours
Earthmoving: ≥ 5,000 hours
Operating Temperature: -30°C ~ 100°C
Long wear parts@ Upper Roller/Top Roller/Rodillos Superiores are available various models, can fit Caterpillar(CAT) /Komatsu /ESCO /Sany /Doosan/ Hyundai/ Hitachi/ Liebherr/ Hensley /VOLVO/ Liugong/ Xugong/ MTG/JCB/H&L/Combi/ Case/John deere/Kobelco/Fiat/Sumitomo/ Bobcat/Samsung equipments.
| Model | Part number | Description |
| FH120, FH130,FH150 | 71400947 | Fiat-Hitachi Top Upper Roller |
| FH200 | 71400960 | Fiat-Hitachi Top Upper Roller |
| FH220,FH220ELC, | 71400963 | Fiat-Hitachi Top Upper Roller |
| FH270, FH300,FH300LC, FH330-3 | 71400969 | Fiat-Hitachi Top Upper Roller |
| FH400 | 71401039 | Fiat-Hitachi Top Upper Roller |
| EX165–EX255 | 71401347 | Fiat-Hitachi Top Upper Roller |
| EX135 | 71401416 | Fiat-Hitachi Top Upper Roller |
| EX285 & EX355 | 71466877 | Fiat-Hitachi Top Upper Roller |
| EX700–ZX850 | 71499210 | Fiat-Hitachi Top Upper Roller |
Contact: Zoe Shi
Phone: +86-19700710133
Tel: +86-19700710133
Email: order@longwearparts.com
Add: Beilun District, Ningbo, China
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