Track Rollers
Caliper Depth Gauge Ultrasonic
Inches (mm) % Worn Inches (mm) Inches (mm)
6.00 (152.5) 0 0.43 (11.0) 1.43 (36.3)
5.98 (152.0) 3 0.44 (11.0) 1.42 (36.1)
5.96 (151.5) 6 0.45 (11.5) 1.41 (35.8)
5.94 (151.0) 9 0.46 (11.5) 1.40 (35.6)
5.92 (150.5) 12 0.47 (12.0) 1.39 (35.3)
5.90 (150.0) 15 0.48 (12.0) 1.38 (35.1)
5.88 (149.5) 18 0.49 (12.5) 1.37 (34.8)
5.86 (149.0) 21 0.50 (12.5) 1.36 (34.5)
5.84 (148.5) 24 0.51 (13.0) 1.35 (34.3)
5.82 (148.0) 27 0.52 (13.0) 1.34 (34.0)
5.80 (147.5) 30 0.53 (13.5) 1.33 (33.8)
5.78 (147.0) 33 0.54 (13.5) 1.32 (33.5)
5.76 (146.5) 36 0.55 (14.0) 1.31 (33.3)
5.74 (146.0) 39 0.56 (14.0) 1.30 (33.0)
5.72 (145.5) 42 0.57 (14.5) 1.29 (32.8)
5.70 (145.0) 45 0.58 (14.5) 1.28 (32.5)
5.68 (144.5) 48 0.59 (15.0) 1.27 (32.3)
5.66 (144.0) 51 0.60 (15.0) 1.26 (32.0)
5.64 (143.5) 54 0.61 (15.5) 1.25 (31.8)
5.62 (142.5) 57 0.62 (15.5) 1.24 (31.5)
5.60 (142.0) 60 0.63 (16.0) 1.23 (31.2)
5.58 (141.5) 63 0.64 (16.5) 1.22 (31.0)
5.56 (141.0) 66 0.65 (16.5) 1.21 (30.7)
5.54 (140.5) 68 0.66 (17.0) 1.20 (30.5)
5.52 (140.0) 70 0.67 (17.0) 1.19 (30.2)
5.50 (139.5) 72 0.68 (17.5) 1.18 (30.0)
5.48 (139.0) 74 0.69 (17.5) 1.17 (29.7)
5.46 (138.5) 76 0.70 (18.0) 1.16 (29.5)
5.44 (138.0) 78 0.71 (18.0) 1.15 (29.2)
5.42 (137.5) 80 0.72 (18.5) 1.14 (29.0)
5.40 (137.0) 82 0.73 (18.5) 1.13 (28.7)
5.38 (136.5) 84 0.74 (19.0) 1.12 (28.4)
5.36 (136.0) 86 0.75 (19.0) 1.11 (28.2)
5.34 (135.5) 88 0.76 (19.5) 1.10 (27.9)
5.32 (135.0) 90 0.77 (19.5) 1.09 (27.7)
5.30 (134.5) 92 0.78 (20.0) 1.08 (27.4)
5.28 (134.0) 94 0.79 (20.0) 1.07 (27.2)
5.26 (133.5) 96 0.80 (20.5) 1.06 (26.9)
5.24 (133.0) 98 0.81 (20.5) 1.05 (26.7)
5.22 (132.5) 100 0.82 (21.0) 1.04 (26.4)
5.20 (132.0) 102 0.83 (21.0) 1.03 (26.2)
5.18 (131.5) 104 0.84 (21.5) 1.02 (25.9)
5.16 (131.0) 106 0.85 (21.5) 1.01 (25.7)
5.14 (130.5) 108 0.86 (22.0) 1.00 (25.4)
5.12 (130.0) 110 0.87 (22.0) 0.99 (25.1)
5.10 (129.5) 112 0.88 (22.5) 0.98 (24.9)
5.08 (129.0) 114 0.89 (22.5) 0.97 (24.6)
5.06 (128.5) 116 0.90 (23.0) 0.96 (24.4)
5.04 (128.0) 118 0.91 (23.0) 0.95 (24.1)
5.02 (127.5) 120 0.92 (23.5) 0.94 (23.9)
Flange diameter is 6.88" (175 mm)
Undercarriage Code: 700, 730, 740, 770
813
PR450B, SF350, SF250B, TR225B — 6.125" (155.6 mm)
Paving Products/Drive Belts