Komatsu 80001 - Track Roller

10 Structure, function and maintenance standard SEN03772-01
PC130-8
5
Track roller 1
Unit: mm
No. Item Criteria Remedy
1 Outside diameter of projection
Standard size Repair limit
Rebuilding or
replace
ø 158 —
2 Outside diameter of tread ø 130 ø 120
3 Flange width 26.5 —
4Overall width 176 — —
5 Tread width 35 —
Rebuilding or
replace
6
Clearance between Shaft and
bushing
Standard
size
To l er an c e
Standard
clearance
Clearance
limit
Replace
Shaft Hole
ø 50
-0.220
-0.240
+0.190
+0.030
0.250 –
0.430
1.5
7
Interference between roller and
bushing
Standard
size
Tolerance Standard
interfer-
ence
Interfer-
ence limit
Shaft Hole
ø 54
+0.190
+0.140
± 0.030
0.110 –
0.220
—
8
Side clearance of track roller
(each side)
Standard clearance Clearance limit
0.41 – 0.90 1.5
9
Tread thickness
(at tread center)
Standard size Repair limit
Rebuilding or
replace
38 33
— Oil capacity 145 – 155 cc (engine oil: SAE30CD) —