Komatsu D20 D21 Heavy Duty Bottom Rollers
D20 Track Roller Show
Specifications:
Bottom Roller Weight: 14.8kg
Item Package Quantity: 1 x Bottom Roller
Color:Yellow
Material: 50 MnB Steel
Surface Hardness: HRC52-58, Deepth: 5mm-10mm
Finish: Smooth
Technique: Forging and Casting
Description:
1. Wheel body: material 50 Mn, hardening hardness HRC 25-28, CASE hardening hardness HRC 52-56, hardening thickness 5-8mm.
2. Side cover: QT 450-10, strength as follows: tensile strength ob (MPa): 2450 yield strength 00.2 (MPa): 2310 hardness: 160 ~ 210 hb.
3. Roller: 45 # carbon steel or 40 Cr. Quenching of HRC25-30 and surface quenching of HRC 52-58. Hardening depth of 2-3mm.
4. Lock pin 65 Mn or 45 carbon steel, hardness HRC 25-28.
5. Bolts, grade 12.9, HRC 45-52.
6. Seal: nitrile rubber. Operating temperature range-20℃ to 110℃.
D20 Track Roller DRAWING
| ΦA:156 | ΦB:135 | C:106 | D：130 |
| E:194 | F:265 | G:147 | ΦH:40 |
| ΦH1 | ΦL:15,2 | M:82 | N:18,5 |
| ΦA1 | C1 | T:78.5 |
COMPATIBLE WITH THE FOLLOWING VEHICLES:
KOMATSU
D20A5 45001-60000,D20A 6 60001-75000,D20A7 75001-UP,D20P 5 45001-60000,D20P 6 60001-75000D20P 7 75001-UP,D20PL 6 60001-UP,D2OPLL 6 60001-UP,D200 5 45001-60000,D200 6 60001-75000, D2007 75001-UP,D20S 5 45001-60000,D20S 6 60001-75000,D20S7 75001-UP, D21A 5 45001-60000,D21A 660001-75000,D21A7 75001-UP,D21E 6 60001-UP,D21P 5 45001-60000,D21P 6 60001-75000, D21P 6A60001-UP,D21P 68 60001-UP,D21P7 75001-UP,D21P-3 200007-UP, D21PL6 60001-UP,D210 6 60001-75000D2107 75001-UP,D21S5 45001-60000,D21S 6 60001-75000,D21S 6A 60001-UP, D21S 7 75001-UP
CROSS REFERENCE (ORIGINAL CODES):
BERCO
KM909
ITM
A4021000M00
KOMATSU
101-30-00042,101-30-00170,201-30-00050,201-30-00051,201-30-44000
VPI
VKM9O9V
D20 Track Roller Packing
