Track Rollers
Double Flange
Caliper Depth Gauge Ultrasonic
Inches (mm) % Worn Inches (mm) Inches (mm)
10.55 (268.0) 0 0.86 (22.0) 2.65 (67.3)
10.45 (265.5) 5 0.91 (23.0) 2.60 (66.0)
10.35 (263.0) 10 0.96 (24.5) 2.55 (64.8)
10.25 (260.5) 15 1.01 (25.5) 2.50 (63.5)
10.15 (258.0) 20 1.06 (27.0) 2.45 (62.2)
10.05 (255.5) 25 1.11 (28.0) 2.40 (61.0)
9.95 (252.5) 30 1.16 (29.5) 2.35 (59.7)
9.85 (250.0) 35 1.21 (30.5) 2.30 (58.4)
9.75 (247.5) 40 1.26 (32.0) 2.25 (57.2)
9.65 (245.0) 45 1.31 (33.5) 2.20 (55.9)
9.55 (242.5) 50 1.36 (34.5) 2.15 (54.6)
9.45 (240.0) 55 1.41 (36.0) 2.10 (53.3)
9.35 (237.5) 60 1.46 (37.0) 2.05 (52.1)
9.25 (235.0) 65 1.51 (38.5) 2.00 (50.8)
9.15 (232.5) 70 1.56 (39.5) 1.95 (49.5)
9.05 (230.0) 73 1.61 (41.0) 1.90 (48.3)
8.95 (227.5) 76 1.66 (42.0) 1.85 (47.0)
8.85 (225.0) 79 1.71 (43.5) 1.80 (45.7)
8.75 (222.5) 82 1.76 (44.5) 1.75 (44.5)
8.65 (219.5) 85 1.81 (46.0) 1.70 (43.2)
8.55 (217.0) 88 1.86 (47.0) 1.65 (41.9)
8.45 (214.5) 91 1.91 (48.5) 1.60 (40.6)
8.35 (212.0) 94 1.96 (50.0) 1.55 (39.4)
8.25 (209.5) 97 2.01 (51.0) 1.50 (38.1)
8.15 (207.0) 100 2.06 (52.5) 1.45 (36.8)
8.05 (204.5) 103 2.11 (53.5) 1.40 (35.6)
7.95 (202.0) 106 2.16 (55.0) 1.35 (34.3)
7.85 (199.5) 109 2.21 (56.0) 1.30 (33.0)
7.75 (197.0) 112 2.26 (57.5) 1.25 (31.8)
7.65 (194.5) 115 2.31 (58.5) 1.20 (30.5)
7.55 (192.0) 118 2.36 (60.0) 1.15 (29.2)
7.45 (189.0) 121 2.41 (61.0) 1.10 (27.9)
7.35 (186.5) 124 2.46 (62.5) 1.05 (26.7)
7.25 (184.0) 127 2.51 (64.0) 1.00 (25.4)
7.15 (181.5) 130 2.56 (65.0) 0.95 (24.1)
7.05 (179.0) 133 2.61 (66.5) 0.90 (22.9)
6.95 (176.5) 136 2.66 (67.5) 0.85 (21.6)
Flange diameter is 12.28" (312 mm)
Undercarriage Code: 208, 209
226
D10N, D10R — 10.25" (260.4 mm)
Elevated Sprocket Machines