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Home / All / Roller Chains / Roller Chain By Size / 50 Roller Chain / ANSI #50H Heavy Duty Roller Chain: 5/8" Pitch, B29.1 | CTS
ANSI #50H Heavy Duty Roller Chain: 5/8" Pitch, B29.1 | CTS
ANSI #50H heavy-duty roller chain, 5/8" (15.875 mm) pitch. Thicker 2.42 mm side plates for higher load capacity and longer wear life. ANSI B29.1 compliant, factory direct. Get a quote.
Detail Information
About ANSI #50H Heavy Duty Roller Chains
The ANSI #50H heavy-duty roller chain is the strengthened version of the standard #50 chain — the same 5/8" (15.875 mm) pitch and roller geometry, built with thicker side plates for higher load capacity, better shock resistance, and longer service life.
Compared with a standard #50 roller chain, the #50H uses thicker 2.42 mm side plates instead of 2.03 mm, increasing chain weight from about 1.02 kg/m to 1.25 kg/m. That extra plate steel is where the heavy-duty rating comes from: it improves resistance to shock loads, vibration, and fatigue, so the chain keeps working where a standard #50 would stretch or wear out early. Pitch and roller dimensions remain unchanged (pitch 15.875 mm, roller diameter 10.16 mm, inner width 9.40 mm), so existing #50 sprockets can be reused without modification.
The chain is produced from heat-treated carbon steel with precision solid rollers and shot-peened plates, backed by ISO 9001:2015 quality management.
For quotation or other information on heavy-duty roller chain, please contact us, and we will be happy to help you.
Quality Assurance:
ISO9001: 2015 and GB/T24001-2016 / ISO14001: 2015.
ANSI #50 Heavy Duty Roller Chain Technical Data
#50H Roller Chain Dimensions
- Pitch(P): 15.875 mm
- Roller diameter(d1): 10.16 mm
- Width between inner plates(b1): 9.40 mm
- Pin diameter(d2): 5.08 mm
- Pin length(L): 22.1 mm
- Pin length(Lc): 23.4 mm
- Inner plate depth(h2): 15.09 mm
- Plate thickness(T): 2.42 mm
- Tensile strength: 22.2/5045 kN/lbf
- Weight per meter: 1.25 kg/m
ANSI #50 Heavy Duty Roller Chain Technical Data
What is the difference between #50 and #50H roller chain?
Both share the 5/8" pitch and sprocket compatibility, but the #50H uses thicker side plates (2.42 mm vs 2.03 mm) and heavier plate steel (1.25 kg/m vs 1.02 kg/m), giving higher fatigue and shock-load resistance for demanding service.
Does #50H fit standard #50 sprockets?
Yes. Pitch (15.875 mm), roller diameter (10.16 mm), and inner width (9.40 mm) are identical to #50.
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