Semistandard Roller Chain | Website Hamakyu

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Semistandard Roller Chain

Please use this product when the width of a standard chain (L1 and L2) is too wide and has limitations on downsizing.

Chain number： KCM 415, 415S, 420, 428, 520, 525, 630

Products in the Semistandard Roller Chain

KCM 415

Pitch P: 12.70
Width between Inner Plates W: 4.76
Roller Dia.D: 7.75
Pin: Dia.d: 3.64
      A: 5.50
      B: 6.90
      (A+A) L1: 11.00
      (A+B) L2: 12.40
      Offset L: 12.95
Link Plate: Thickness T: 1.1         Height H: 9.9
Ave. Tensile Strength kN (kgf): 9.81 (1,000)
Max. Allowable Load kN (kgf): 2.16 (220)
Approx. Weight (kg/m): 0.34
Links of KCM JIS & 1 unit: 240

Material properties

Use the exclusively designed sprocket for these chains.

KCM 420

Pitch P: 12.70
Width between Inner Plates W: 6.35
Roller Dia.D: 7.77
Pin: Dia.d: 3.97
      A: 7.20
      B: 8.70
      (A+A) L1: 14.40
      (A+B) L2: 15.90
      Offset L: 17.30
Link Plate: Thickness T: 1.5         Height H: 11.7
Ave. Tensile Strength kN (kgf): 18.14 (1,850)
Max. Allowable Load kN (kgf): 3.73 (380)
Approx. Weight (kg/m): 0.55
Links of KCM JIS & 1 unit: 240

Material properties

Use the exclusively designed sprocket for these chains.

KCM 520

Pitch P: 15.875
Width between Inner Plates W: 6.35
Roller Dia.D: 10.16
Pin: Dia.d: 5.09
      A: 8.47
      B: 9.93
      (A+A) L1: 16.95
      (A+B) L2: 18.40
      Offset L: 19.65
Link Plate: Thickness T: 2.0         Height H: 14.6
Ave. Tensile Strength kN (kgf): 29.91 (3,050)
Max. Allowable Load kN (kgf): 6.37(650)
Approx. Weight (kg/m): 0.89
Links of KCM JIS & 1 unit: 192

Material properties

Use the exclusively designed sprocket for these chains.

KCM 428

Pitch P: 12.70
Width between Inner Plates W: 7.95
Roller Dia.D: 8.50
Pin: Dia.d: 4.51
      A: 8.05
      B: 9.55
      (A+A) L1: 16.10
      (A+B) L2: 17.60
      Offset L: 19.00
Link Plate: Thickness T: 1.5         Height H: 11.7
Ave. Tensile Strength kN (kgf): 18.63 (1,900)
Max. Allowable Load kN (kgf): 3.92 (400)
Approx. Weight (kg/m): 0.64
Links of KCM JIS & 1 unit: 240

Material properties

Use the exclusively designed sprocket for these chains.

KCM 415S

Pitch P: 12.70
Width between Inner Plates W: 4.76
Roller Dia.D: 7.77
Pin: Dia.d: 3.97
      A: 6.40
      B: 12.80
      (A+A) L1: 12.80
      (A+B) L2: 14.30
      Offset L: 15.70
Link Plate: Thickness T: 1.5         Height H: 11.7
Ave. Tensile Strength kN (kgf): 18.14 (1,850)
Max. Allowable Load kN (kgf): 3.73 (380)
Approx. Weight (kg/m): 0.51
Links of KCM JIS & 1 unit: 240

Material properties

Use the exclusively designed sprocket for these chains.

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