Bushings for Sealed Track
External Wear
Use with 7K and 9K Links
Allowable Wear
Caliper Lesser Greater Ultrasonic
Inches (mm) % Worn % Worn Inches (mm)
2.14 (54.4) 0 0 0.39 (9.9)
2.13 (54.1) 9 7 0.38 (9.7)
2.12 (53.8) 18 14 0.37 (9.4)
2.11 (53.6) 27 21 0.36 (9.1)
2.10 (53.3) 36 28 0.35 (8.9)
2.09 (53.1) 45 35 0.34 (8.6)
2.08 (52.8) 54 42 0.33 (8.4)
2.07 (52.6) 63 49 0.32 (8.1)
2.06 (52.3) 72 56 0.31 (7.9)
2.05 (52.1) 81 63 0.30 (7.6)
2.04 (51.8) 88 70 0.29 (7.4)
2.03 (51.6) 92 73 0.28 (7.1)
2.02 (51.3) 96 76 0.27 (6.9)
2.01 (51.1) 100 79 0.26 (6.6)
2.00 (50.8) 104 82 0.25 (6.4)
1.99 (50.5) 108 85 0.24 (6.1)
1.98 (50.3) 112 88 0.23 (5.8)
1.97 (50.0) 116 91 0.22 (5.6)
1.96 (49.8) 120 94 0.21 (5.3)
1.95 (49.5) 97 0.20 (5.1)
1.94 (49.3) 100 0.19 (4.8)
1.93 (49.0) 103 0.18 (4.6)
1.92 (48.8) 106 0.17 (4.3)
1.91 (48.5) 109 0.16 (4.1)
1.90 (48.3) 112 0.15 (3.8)
1.89 (48.0) 115 0.14 (3.6)
1.88 (47.8) 118 0.13 (3.3)
1.87 (47.5) 121 0.12 (3.0)
Undercarriage Code: 118, 313
282
D4, 941 — 6.75" (171.5 mm)
Low Sprocket Machines