Sem Track Roller For Bulldozer SEM822

Bottom Roller - SEM - Bulldozer - 822D

Brand: SEM    Type: Bulldozer     Model: 822D

Part details:

Track Roller/ Bottom Roller

Weight: 73kgs(SF)；78 kgs(DF) 

Compatible with the following equipment:

KOMATSU

D75S 2 5022-7000 D75S 3 7001-15000 D75S 5 15001-UP D80A 18 25001-UP

D80E 18 25001-UP D80F 18 25001-UP D80P 18 2001-UP D83E 1 1001-UP

D83P 1 1001-UP D85A 18 25001-35000 D85A 21 35001-UP D85A 21B 35001-UP

D85E 18 25001-35000 D85E 21 35001-UP D85P 18 2001-3000 D85P 21 3001-UP

D95S 1 1063-2000 D95S 2 2001-UP

The Machining Process of Our Track Roller:

Forging — Rough Turning — Heat Treatment — Welding — Finish Turning — Assembly — Spraying Paint 

Hear Treatment Technical Data For Track Roller Shell: 

• Surface quenching HRC49-56 

• Track face hardening depth 5mm-8mm 

• Corner hardening depth more than 2mm

The dimensional accuracy of products is guaranteed by processing of NC LATHES and PROGRAM CONTROLLED MACHINES. In the process of assembly of roller, the expected and reliable sealing and lubricating rotation of roller are guaranteed by Testing of Air Pressure Tightness and Load-bearing Rotation

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