• Hankuk Chain RO Chain (Offset Sidebar Roller Chain)
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Hankuk Chain RO Chain (Offset Sidebar Roller Chain)

Hankuk Chain RO Chain (Offset Sidebar Roller Chain)

Offset sidebar roller chain with special heat treatment and selected materials for high shock, impact and fatigue resistance.

Key features

  • Offset sidebar construction
  • Resistant to shock, impact and fatigue
  • ANSI and API sizes
RO3140T Pitch P (mm): 44.45 | Roller Dia. Dr (mm): 25.40 | Roller Link Width W (mm): 25.4 | Pin Dia. d (mm): 12.51 | Pin Whole Length (mm): 62.5 | Pin L1 (mm): 28.45 | Pin L2 (mm): 34.05 | Plate Thickness T (mm): 5.6 | Plate Height H (mm): 43.2 | Avg. Tensile Strength kN (kgf): 249 (25,400) | Approx. Weight (kg/m): 7.7
RO1613AK Pitch P (mm): 50.80 | Roller Dia. Dr (mm): 28.58 | Roller Link Width W (mm): 31.5 | Pin Dia. d (mm): 15.06 | Pin Whole Length (mm): 78.0 | Pin L1 (mm): 36.20 | Pin L2 (mm): 41.80 | Plate Thickness T (mm): 8.1 | Plate Height H (mm): 42.9 | Avg. Tensile Strength kN (kgf): 311.3 (31,750) | Approx. Weight (kg/m): 11.3
RO25H Standard: ANSI | Pitch P (mm): 63.50 | Roller Dia. Dr (mm): 31.75 | Roller Link Width W (mm): 38.1 | Pin Dia. d (mm): 15.88 | Pin Whole Length (mm): 92.5 | Pin L1 (mm): 43.05 | Pin L2 (mm): 49.45 | Plate Thickness T (mm): 9.5 | Plate Height H (mm): 41.5 | Avg. Tensile Strength kN (kgf): 389.3 (39,700) | Approx. Weight (kg/m): 13.7
RO568 Standard: ANSI | Pitch P (mm): 77.90 | Roller Dia. Dr (mm): 41.28 | Roller Link Width W (mm): 40.1 | Pin Dia. d (mm): 19.05 | Pin Whole Length (mm): 97.0 | Pin L1 (mm): 45.05 | Pin L2 (mm): 51.95 | Plate Thickness T (mm): 9.5 | Plate Height H (mm): 54.0 | Avg. Tensile Strength kN (kgf): 513.8 (52,400) | Approx. Weight (kg/m): 17.7
RO2512 Pitch P (mm): 77.90 | Roller Dia. Dr (mm): 31.75 | Roller Link Width W (mm): 38.1 | Pin Dia. d (mm): 19.05 | Pin Whole Length (mm): 93.5 | Pin L1 (mm): 44.05 | Pin L2 (mm): 49.45 | Plate Thickness T (mm): 9.5 | Plate Height H (mm): 54.0 | Avg. Tensile Strength kN (kgf): 513.8 (52,400) | Approx. Weight (kg/m): 17.0
RO3H Standard: API | Pitch P (mm): 78.11 | Roller Dia. Dr (mm): 31.75 | Roller Link Width W (mm): 38.1 | Pin Dia. d (mm): 15.88 | Pin Whole Length (mm): 92.5 | Pin L1 (mm): 43.05 | Pin L2 (mm): 49.45 | Plate Thickness T (mm): 9.5 | Plate Height H (mm): 41.5 | Avg. Tensile Strength kN (kgf): 389.3 (39,700) | Approx. Weight (kg/m): 12.4
RO3125 Standard: API | Pitch P (mm): 79.38 | Roller Dia. Dr (mm): 41.28 | Roller Link Width W (mm): 41.2 | Pin Dia. d (mm): 20.32 | Pin Whole Length (mm): 99.5 | Pin L1 (mm): 45.90 | Pin L2 (mm): 53.60 | Plate Thickness T (mm): 9.5 | Plate Height H (mm): 54.0 | Avg. Tensile Strength kN (kgf): 509.9 (52,000) | Approx. Weight (kg/m): 18.8
RO1616 Standard: ANSI | Pitch P (mm): 88.90 | Roller Dia. Dr (mm): 44.45 | Roller Link Width W (mm): 38.6 | Pin Dia. d (mm): 22.23 | Pin Whole Length (mm): 111.7 | Pin L1 (mm): 51.60 | Pin L2 (mm): 60.10 | Plate Thickness T (mm): 12.7 | Plate Height H (mm): 54.0 | Avg. Tensile Strength kN (kgf): 622.7 (63,500) | Approx. Weight (kg/m): 23.9
RO4HF Standard: API | Pitch P (mm): 103.20 | Roller Dia. Dr (mm): 44.45 | Roller Link Width W (mm): 49.2 | Pin Dia. d (mm): 22.23 | Pin Whole Length (mm): 135.7 | Pin L1 (mm): 63.60 | Pin L2 (mm): 72.10 | Plate Thickness T (mm): 16.0 | Plate Height H (mm): 59.0 | Avg. Tensile Strength kN (kgf): 787.4 (80,300) | Approx. Weight (kg/m): 23.2
RO4 Pitch P (mm): 103.20 | Roller Dia. Dr (mm): 44.45 | Roller Link Width W (mm): 49.1 | Pin Dia. d (mm): 22.23 | Pin Whole Length (mm): 122.2 | Pin L1 (mm): 56.85 | Pin L2 (mm): 65.35 | Plate Thickness T (mm): 12.7 | Plate Height H (mm): 54.0 | Avg. Tensile Strength kN (kgf): 622.7 (63,500) | Approx. Weight (kg/m): 21.0
RO1245 Standard: ANSI | Pitch P (mm): 103.45 | Roller Dia. Dr (mm): 45.24 | Roller Link Width W (mm): 49.2 | Pin Dia. d (mm): 23.80 | Pin Whole Length (mm): 130.0 | Pin L1 (mm): 60.25 | Pin L2 (mm): 69.75 | Plate Thickness T (mm): 14.5 | Plate Height H (mm): 60.0 | Avg. Tensile Strength kN (kgf): 859 (87,600) | Approx. Weight (kg/m): 27.2
RO635 Standard: ANSI | Pitch P (mm): 114.30 | Roller Dia. Dr (mm): 57.15 | Roller Link Width W (mm): 52.4 | Pin Dia. d (mm): 27.90 | Pin Whole Length (mm): 135.5 | Pin L1 (mm): 64.25 | Pin L2 (mm): 71.25 | Plate Thickness T (mm): 14.5 | Plate Height H (mm): 76.0 | Avg. Tensile Strength kN (kgf): 1108.1 (11,300) | Approx. Weight (kg/m): 38.3
RO1602AA Standard: ANSI | Pitch P (mm): 127.00 | Roller Dia. Dr (mm): 63.50 | Roller Link Width W (mm): 70.0 | Pin Dia. d (mm): 31.75 | Pin Whole Length (mm): 161.2 | Pin L1 (mm): 77.05 | Pin L2 (mm): 84.15 | Plate Thickness T (mm): 16.0 | Plate Height H (mm): 90.0 | Avg. Tensile Strength kN (kgf): 1529.8 (156,000) | Approx. Weight (kg/m): 52.3
Drive ChainsHankuk Chain
13 product codes available in this family
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Hankuk Chain RO Chain (Offset Sidebar Roller Chain)

Brand Hankuk Chain·Drive Chains

Available part numbers (13)

RO3140T, RO1613AK, RO25H, RO568, RO2512, RO3H, RO3125, RO1616, RO4HF, RO4 + 3 more — see full table ↓

How to order

Send the Hankuk Chain part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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Product codes & specifications
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Product codeSpec
RO3140TPitch P (mm): 44.45 | Roller Dia. Dr (mm): 25.40 | Roller Link Width W (mm): 25.4 | Pin Dia. d (mm): 12.51 | Pin Whole Length (mm): 62.5 | Pin L1 (mm): 28.45 | Pin L2 (mm): 34.05 | Plate Thickness T (mm): 5.6 | Plate Height H (mm): 43.2 | Avg. Tensile Strength kN (kgf): 249 (25,400) | Approx. Weight (kg/m): 7.7
RO1613AKPitch P (mm): 50.80 | Roller Dia. Dr (mm): 28.58 | Roller Link Width W (mm): 31.5 | Pin Dia. d (mm): 15.06 | Pin Whole Length (mm): 78.0 | Pin L1 (mm): 36.20 | Pin L2 (mm): 41.80 | Plate Thickness T (mm): 8.1 | Plate Height H (mm): 42.9 | Avg. Tensile Strength kN (kgf): 311.3 (31,750) | Approx. Weight (kg/m): 11.3
RO25HStandard: ANSI | Pitch P (mm): 63.50 | Roller Dia. Dr (mm): 31.75 | Roller Link Width W (mm): 38.1 | Pin Dia. d (mm): 15.88 | Pin Whole Length (mm): 92.5 | Pin L1 (mm): 43.05 | Pin L2 (mm): 49.45 | Plate Thickness T (mm): 9.5 | Plate Height H (mm): 41.5 | Avg. Tensile Strength kN (kgf): 389.3 (39,700) | Approx. Weight (kg/m): 13.7
RO568Standard: ANSI | Pitch P (mm): 77.90 | Roller Dia. Dr (mm): 41.28 | Roller Link Width W (mm): 40.1 | Pin Dia. d (mm): 19.05 | Pin Whole Length (mm): 97.0 | Pin L1 (mm): 45.05 | Pin L2 (mm): 51.95 | Plate Thickness T (mm): 9.5 | Plate Height H (mm): 54.0 | Avg. Tensile Strength kN (kgf): 513.8 (52,400) | Approx. Weight (kg/m): 17.7
RO2512Pitch P (mm): 77.90 | Roller Dia. Dr (mm): 31.75 | Roller Link Width W (mm): 38.1 | Pin Dia. d (mm): 19.05 | Pin Whole Length (mm): 93.5 | Pin L1 (mm): 44.05 | Pin L2 (mm): 49.45 | Plate Thickness T (mm): 9.5 | Plate Height H (mm): 54.0 | Avg. Tensile Strength kN (kgf): 513.8 (52,400) | Approx. Weight (kg/m): 17.0
RO3HStandard: API | Pitch P (mm): 78.11 | Roller Dia. Dr (mm): 31.75 | Roller Link Width W (mm): 38.1 | Pin Dia. d (mm): 15.88 | Pin Whole Length (mm): 92.5 | Pin L1 (mm): 43.05 | Pin L2 (mm): 49.45 | Plate Thickness T (mm): 9.5 | Plate Height H (mm): 41.5 | Avg. Tensile Strength kN (kgf): 389.3 (39,700) | Approx. Weight (kg/m): 12.4
RO3125Standard: API | Pitch P (mm): 79.38 | Roller Dia. Dr (mm): 41.28 | Roller Link Width W (mm): 41.2 | Pin Dia. d (mm): 20.32 | Pin Whole Length (mm): 99.5 | Pin L1 (mm): 45.90 | Pin L2 (mm): 53.60 | Plate Thickness T (mm): 9.5 | Plate Height H (mm): 54.0 | Avg. Tensile Strength kN (kgf): 509.9 (52,000) | Approx. Weight (kg/m): 18.8
RO1616Standard: ANSI | Pitch P (mm): 88.90 | Roller Dia. Dr (mm): 44.45 | Roller Link Width W (mm): 38.6 | Pin Dia. d (mm): 22.23 | Pin Whole Length (mm): 111.7 | Pin L1 (mm): 51.60 | Pin L2 (mm): 60.10 | Plate Thickness T (mm): 12.7 | Plate Height H (mm): 54.0 | Avg. Tensile Strength kN (kgf): 622.7 (63,500) | Approx. Weight (kg/m): 23.9
RO4HFStandard: API | Pitch P (mm): 103.20 | Roller Dia. Dr (mm): 44.45 | Roller Link Width W (mm): 49.2 | Pin Dia. d (mm): 22.23 | Pin Whole Length (mm): 135.7 | Pin L1 (mm): 63.60 | Pin L2 (mm): 72.10 | Plate Thickness T (mm): 16.0 | Plate Height H (mm): 59.0 | Avg. Tensile Strength kN (kgf): 787.4 (80,300) | Approx. Weight (kg/m): 23.2
RO4Pitch P (mm): 103.20 | Roller Dia. Dr (mm): 44.45 | Roller Link Width W (mm): 49.1 | Pin Dia. d (mm): 22.23 | Pin Whole Length (mm): 122.2 | Pin L1 (mm): 56.85 | Pin L2 (mm): 65.35 | Plate Thickness T (mm): 12.7 | Plate Height H (mm): 54.0 | Avg. Tensile Strength kN (kgf): 622.7 (63,500) | Approx. Weight (kg/m): 21.0
RO1245Standard: ANSI | Pitch P (mm): 103.45 | Roller Dia. Dr (mm): 45.24 | Roller Link Width W (mm): 49.2 | Pin Dia. d (mm): 23.80 | Pin Whole Length (mm): 130.0 | Pin L1 (mm): 60.25 | Pin L2 (mm): 69.75 | Plate Thickness T (mm): 14.5 | Plate Height H (mm): 60.0 | Avg. Tensile Strength kN (kgf): 859 (87,600) | Approx. Weight (kg/m): 27.2
RO635Standard: ANSI | Pitch P (mm): 114.30 | Roller Dia. Dr (mm): 57.15 | Roller Link Width W (mm): 52.4 | Pin Dia. d (mm): 27.90 | Pin Whole Length (mm): 135.5 | Pin L1 (mm): 64.25 | Pin L2 (mm): 71.25 | Plate Thickness T (mm): 14.5 | Plate Height H (mm): 76.0 | Avg. Tensile Strength kN (kgf): 1108.1 (11,300) | Approx. Weight (kg/m): 38.3
RO1602AAStandard: ANSI | Pitch P (mm): 127.00 | Roller Dia. Dr (mm): 63.50 | Roller Link Width W (mm): 70.0 | Pin Dia. d (mm): 31.75 | Pin Whole Length (mm): 161.2 | Pin L1 (mm): 77.05 | Pin L2 (mm): 84.15 | Plate Thickness T (mm): 16.0 | Plate Height H (mm): 90.0 | Avg. Tensile Strength kN (kgf): 1529.8 (156,000) | Approx. Weight (kg/m): 52.3

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