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Double-Pitch Roller Chain For Transmission
Double-pitch roller chain features a pitch that is twice that of standard roller chains, making it suitable for long-distance transmission applications. By using the same components as standard chains except for the link plates, it maintains equivalent strength while reducing the number of parts by half, resulting in lower weight and cost. It is particularly ideal for low-speed power transmission over relatively long distances.
KCM A2080
Pitch (P): 50.80 mm
Inner width (W): 15.88 mm
Roller diameter (D): 15.88 mm
Pin diameter (d): 7.94 mm
A: 16.07 mm
B: 19.18 mm
L1 (A + A): 32.15 mm
L2 (A + B): 35.25 mm
Offset (L): 36.90 mm
Link plate thickness (T): 3.2 mm
Link plate height (H): 23.0 mm
Average tensile strength: 68.6 kN (7,000 kgf)
Maximum allowable load: 10.69 kN (1,090 kgf)
Approximate weight: 1.74 kg/m
Number of links per unit (KCM JIS): 60
KCM A2060
Pitch (P): 38.10 mm
Inner width (W): 12.70 mm
Roller diameter (D): 11.91 mm
Pin diameter (d): 5.96 mm
A: 12.65 mm
B: 14.15 mm
L1 (A + A): 25.30 mm
L2 (A + B): 26.80 mm
Offset (L): 29.45 mm
Link plate thickness (T): 2.4 mm
Link plate height (H): 17.5 mm
Average tensile strength: 39.5 kN (4,000 kgf)
Maximum allowable load: 6.28 kN (640 kgf)
Approximate weight: 0.95 kg/m
Number of links per unit (KCM JIS): 80
KCM A2040
Pitch (P): 25.40 mm
Inner width (W): 7.95 mm
Roller diameter (D): 7.92 mm
Pin diameter (d): 3.97 mm
A: 8.02 mm
B: 9.53 mm
L1 (A + A): 16.05 mm
L2 (A + B): 17.55 mm
Offset (L): 18.95 mm
Link plate thickness (T): 1.5 mm
Link plate height (H): 11.7 mm
Average tensile strength: 17.2 kN (1,750 kgf)
Maximum allowable load: 2.65 kN (270 kgf)
Approximate weight: 0.40 kg/m
Number of links per unit (KCM JIS): 120
KCM A2050
Pitch (P): 31.75 mm
Inner width (W): 9.53 mm
Roller diameter (D): 10.16 mm
Pin diameter (d): 5.09 mm
A: 10.15 mm
B: 11.60 mm
L1 (A + A): 20.30 mm
L2 (A + B): 21.75 mm
Offset (L): 23.00 mm
Link plate thickness (T): 2.0 mm
Link plate height (H): 14.6 mm
Average tensile strength: 27.9 kN (2,850 kgf)
Maximum allowable load: 4.31 kN (440 kgf)
Approximate weight: 0.65 kg/m
Number of links per unit (KCM JIS): 96
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