Double-Pitch Roller Chain For Transmission | Website Hamakyu

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Double-Pitch Roller Chain For Transmission

Double-pitch chain whose pitch is doubled compared to standard roller chain. Since it is using the same parts as standard roller chains except for link plate, the strength remains the same and the number of parts are reduced to the half of that of standard chains, which achieves weight and cost reductions. This roller chain is best suited for relative long power transmission at lowspeed.

Chain number： KCM A2040, A2050, A2060, A2080

Products in the Double-Pitch Roller Chain For Transmission

KCM A2040

Pitch P: 25.40
Width between Inner Plates W: 7.95
Roller Dia.D: 7.92
Pin: Dia.d: 3.97
      A: 8.02
      B: 9.53
      (A+A) L1: 16.05
      (A+B) L2: 17.55
      Offset L: 18.95
Link Plate: Thickness T: 1.5         Height H: 11.7
Ave. Tensile Strength kN (kgf): 17.2 (1,750)
Max. Allowable Load kN (kgf): 2.65 (270)
Approx. Weight (kg/m): 0.40
Links of KCM JIS & 1 unit: 120

Material properties

Connecting link for the A2080 is split pin type.
Sprocket: For chains with teeth No. 29T (with 14 1/2 working teeth) or smaller, use the exclusively designed sprockets for double-pitch roller chains.
For chains with teeth No. 30T (with 15 working teeth) or larger, use KCM standard sprockets.

KCM A2080

Pitch P: 50.80
Width between Inner Plates W: 15.88
Roller Dia.D: 15.88
Pin: Dia.d: 7.94
      A: 16.07
      B: 19.18
      (A+A) L1: 32.15
      (A+B) L2: 35.25
      Offset L: 36.90
Link Plate: Thickness T: 3.2         Height H: 23.0
Ave. Tensile Strength kN (kgf): 68.6 (7,000)
Max. Allowable Load kN (kgf): 10.69 (1,090)
Approx. Weight (kg/m): 1.74
Links of KCM JIS & 1 unit: 60

Material properties

Connecting link for the A2080 is split pin type.
Sprocket: For chains with teeth No. 29T (with 14 1/2 working teeth) or smaller, use the exclusively designed sprockets for double-pitch roller chains.
For chains with teeth No. 30T (with 15 working teeth) or larger, use KCM standard sprockets.

KCM A2050

Pitch P: 31.75
Width between Inner Plates W: 9.53
Roller Dia.D: 10.16
Pin: Dia.d: 5.09
      A: 10.15
      B: 11.60
      (A+A) L1: 20.30
      (A+B) L2: 21.75
      Offset L: 23.00
Link Plate: Thickness T: 2.0         Height H: 14.6
Ave. Tensile Strength kN (kgf): 27.9 (2,850)
Max. Allowable Load kN (kgf): 4.31 (440)
Approx. Weight (kg/m): 0.65
Links of KCM JIS & 1 unit: 96

Material properties

Connecting link for the A2080 is split pin type.
Sprocket: For chains with teeth No. 29T (with 14 1/2 working teeth) or smaller, use the exclusively designed sprockets for double-pitch roller chains.
For chains with teeth No. 30T (with 15 working teeth) or larger, use KCM standard sprockets.

KCM A2060

Pitch P: 38.10
Width between Inner Plates W: 12.70
Roller Dia.D: 11.91
Pin: Dia.d: 5.96
      A: 12.65
      B: 14.15
      (A+A) L1: 25.30
      (A+B) L2: 26.80
      Offset L: 29.45
Link Plate: Thickness T: 2.4         Height H: 17.5
Ave. Tensile Strength kN (kgf): 39.5 (4,000)
Max. Allowable Load kN (kgf): 6.28 (640)
Approx. Weight (kg/m): 0.95
Links of KCM JIS & 1 unit: 80

Material properties

Connecting link for the A2080 is split pin type.
Sprocket: For chains with teeth No. 29T (with 14 1/2 working teeth) or smaller, use the exclusively designed sprockets for double-pitch roller chains.
For chains with teeth No. 30T (with 15 working teeth) or larger, use KCM standard sprockets.

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