Track Rollers
8E Rim
Caliper Depth Gauge Ultrasonic
Inches (mm) % Worn Inches (mm) Inches (mm)
9.84 (250.0) 0 0.78 (20.0) 2.87 (72.9)
9.80 (249.0) 4 0.80 (20.5) 2.85 (72.4)
9.76 (248.0) 8 0.82 (21.0) 2.83 (71.9)
9.72 (247.0) 12 0.84 (21.5) 2.81 (71.4)
9.68 (246.0) 16 0.86 (22.0) 2.79 (70.9)
9.64 (245.0) 20 0.88 (22.5) 2.77 (70.4)
9.60 (244.0) 24 0.90 (23.0) 2.75 (69.9)
9.56 (243.0) 28 0.92 (23.5) 2.73 (69.3)
9.52 (242.0) 32 0.94 (24.0) 2.71 (68.8)
9.48 (241.0) 36 0.96 (24.5) 2.69 (68.3)
9.44 (240.0) 40 0.98 (25.0) 2.67 (67.8)
9.40 (239.0) 44 1.00 (25.5) 2.65 (67.3)
9.36 (237.5) 48 1.02 (26.0) 2.63 (66.8)
9.32 (236.5) 52 1.04 (26.5) 2.61 (66.3)
9.28 (235.5) 56 1.06 (27.0) 2.59 (65.8)
9.24 (234.5) 60 1.08 (27.5) 2.57 (65.3)
9.20 (233.5) 64 1.10 (28.0) 2.55 (64.8)
9.16 (232.5) 68 1.12 (28.5) 2.53 (64.3)
9.12 (231.5) 72 1.14 (29.0) 2.51 (63.8)
9.08 (230.5) 76 1.16 (29.5) 2.49 (63.2)
9.04 (229.5) 80 1.18 (30.0) 2.47 (62.7)
9.00 (228.5) 84 1.20 (30.5) 2.45 (62.2)
8.96 (227.5) 88 1.22 (31.0) 2.43 (61.7)
8.92 (226.5) 92 1.24 (31.5) 2.41 (61.2)
8.88 (225.5) 96 1.26 (32.0) 2.39 (60.7)
8.84 (224.5) 100 1.28 (32.5) 2.37 (60.2)
8.80 (223.5) 103 1.30 (33.0) 2.35 (59.7)
8.76 (222.5) 106 1.32 (33.5) 2.33 (59.2)
8.72 (221.5) 109 1.34 (34.0) 2.31 (58.7)
8.68 (220.5) 112 1.36 (34.5) 2.29 (58.2)
8.64 (219.5) 115 1.38 (35.0) 2.27 (57.7)
8.60 (218.5) 118 1.40 (35.5) 2.25 (57.2)
8.56 (217.5) 121 1.42 (36.0) 2.23 (56.6)
Flange diameter is 11.42" (290 mm)
Undercarriage Code: 492, 493
700
245 — 10.25" (260.4 mm)
Excavators