Bushings for Sealed Track
External Wear
Caliper Ultrasonic
Inches (mm) % Worn Inches (mm)
1.61 (40.9) 0 0.32 (8.1)
1.60 (40.6) 8 0.31 (7.9)
1.59 (40.4) 16 0.30 (7.6)
1.58 (40.1) 24 0.29 (7.4)
1.57 (39.9) 32 0.28 (7.1)
1.56 (39.6) 40 0.27 (6.9)
1.55 (39.4) 48 0.26 (6.6)
1.54 (39.1) 56 0.25 (6.4)
1.53 (38.9) 64 0.24 (6.1)
1.52 (38.6) 72 0.23 (5.8)
1.51 (38.4) 80 0.22 (5.6)
1.50 (38.1) 84 0.21 (5.3)
1.49 (37.8) 88 0.20 (5.1)
1.48 (37.6) 92 0.19 (4.8)
1.47 (37.3) 96 0.18 (4.6)
1.46 (37.1) 100 0.17 (4.3)
1.45 (36.8) 104 0.16 (4.1)
1.44 (36.6) 108 0.15 (3.8)
1.43 (36.3) 112 0.14 (3.6)
1.42 (36.1) 116 0.13 (3.3)
1.41 (35.8) 120 0.12 (3.0)
Undercarriage Code: 500, 501
712
E70B — 5.31" (135 mm)
Excavators