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Home / All / Roller Chains / Roller Chain By Size / 50 Roller Chain / ANSI #50 Hollow Pin Roller Chain | 50HP 15.875 mm Pitch | CTS
ANSI #50 Hollow Pin Roller Chain | 50HP 15.875 mm Pitch | CTS
ANSI #50 hollow pin roller chain with 5.13 mm pin bore for cross rods. Conveying, packaging & material handling. 20 kN tensile. Request a quote from CTS.
Detail Information
About ANSI #50 Hollow Pin Roller Chains
CTS® #50 Hollow Pin Roller Chain
CTS® ANSI #50HP hollow pin roller chain is a 5/8" (15.875 mm) pitch roller chain in which the standard solid pins are replaced by hollow, through-bored pins. The 5.13 mm pin bore accepts cross rods, cotter pins, slats, trays, and custom attachments, so the chain can both drive a system and carry products at the same time. As with every chain CTS builds, the #50HP is produced to ANSI/ASME B29.1 dimensional and strength requirements for full interchangeability with standard #50 sprockets.
For a quotation or other information on hollow pin roller chains, please contact us, and we will be happy to help you.
Quality Assurance:
ISO9001: 2015 and GB/T24001-2016 / ISO14001: 2015.
ANSI #50 Hollow Pin Roller Chain Technical Data
An ANSI #50 hollow pin chain uses the same 15.875 mm pitch, 10.16 mm roller diameter, and 9.40 mm inner width as a standard ANSI #50 roller chain, but each pin is drilled through with a 5.13 mm bore. Cross rods or attachments are passed through the pins and fixed with cotter pins or circlips, converting a drive chain into a conveying chain.
#50 Hollow Pin 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): 7.03 mm
- Pin diameter(d3): 5.13 mm
- Pin length(L): 20.7 mm
- Pin length(Lc): 21.9 mm
- Inner plate depth(h2): 15.09 mm
- Plate thickness(T): 2.03 mm
- Tensile strength: 20.0/4545 kN/lbf
- Weight per meter: 0.91 kg/m
Typical uses include product transfer where a solid surface is not practical: oven bands, cooling tunnels, bottle and can handling, box transfer at right angles, and gravity or scraped conveyors. Because the pin is hollow, tensile strength is lower than that of a solid-pin chain of the same size (20.0 kN / 4545 lbf for #50HP), so hollow pin chains are specified for conveying duty rather than high-torque drive duty.
Hollow Pin vs. Solid Pin: Which One Fits Your Application?
| Item | ANSI #50HP Roller Chain | ANSI #50 Standard Roller Chain |
| Pin Bore | 5.13 mm through bore, accepts cross rods | None |
| Chain Attachments | Cross rods, slats, trays, pushers, flights - no special attachment links needed | Requires ANSI attachment chain (A1/K1 types) |
| Tensile Strength | 20.0 kN /4545 lbf | Approx. 21.8 kN / 4900 lbf |
Best For | Conveying, product carrying, light drive + transport combined | Power transmission, high-load drive, shock loads |
Miantenance | Check cross rods and cotter pins as well as chain elongation | Check elongation and lubrication only |
Not the right choice when the chain carries a full torque load, runs at high speed, or must transmit shock loads — in those cases, specify solid-pin ANSI #50 (or super/heavy series #50H) and use a separate conveying element.
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