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SP Series Durable Short Pitch Industrial Roller Chains
SP Series Durable Short Pitch Industrial Roller Chains SP Series Durable Short Pitch Industrial Roller Chains
SP Series Durable Short Pitch Industrial Roller Chains SP Series Durable Short Pitch Industrial Roller Chains
SP Series Durable Short Pitch Industrial Roller Chains SP Series Durable Short Pitch Industrial Roller Chains
SP Series Durable Short Pitch Industrial Roller Chains SP Series Durable Short Pitch Industrial Roller Chains
SP Series Durable Short Pitch Industrial Roller Chains SP Series Durable Short Pitch Industrial Roller Chains

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SP Series High Strength Heavy Duty Short Pitch Roller Chains

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P series high-strength short-pitch roller chains through the overall optimal design of structural size, part materials and heat treatment processing, its tensile strength is significantly increased compared with the A-series standard roller chains, usually can be increased by about 28% or more.
  • HSP

  • PLW or Made to order

  • Carbon Steel

  • Plastic Bag+Carton Box+Plywood Case

  • PLW

  • CHINA

  • Standard

  • roller chain

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Industrial-Grade SP Series Short Pitch High-Durability Roller Chain

Product Description

Made Competitive Price Well Performance China Professional Conveyor Chain with Good Service

SP Series High Strength Heavy Duty Short Pitch Roller Chains are upgraded heavy-duty transmission chains optimized for severe industrial working conditions. Based on standard short pitch roller chain specifications, the SP series adopts thickened chain plates, reinforced pins, thick-walled bushes and integral heat treatment technology, effectively improving tensile strength, impact resistance and fatigue resistance. With compact short-pitch structure, stable meshing performance and ultra-high load capacity, these roller chains are widely used for high-power, high-torque and continuous heavy-load transmission in various industrial equipment, serving as core drive components for heavy machinery automation systems.

Product Features & Advantages

  • Heavy-Duty Reinforced Structure: The SP series features thicker inner and outer chain plates, enlarged pin diameter and reinforced bushing structure compared with standard chains. The overall structural strength is greatly improved, effectively resisting instantaneous impact load and long-term alternating load, avoiding chain elongation and fracture under heavy working conditions.

  • High Tensile & Fatigue Resistance: Made of high-quality alloy steel materials and processed through integral carburizing and quenching heat treatment. The surface hardness reaches HRC58-62, with tensile strength 30%-40% higher than ordinary standard roller chains, ensuring stable long-term operation under high-load and frequent start-stop conditions.

  • Precision Short Pitch Design: Standard short-pitch size ensures uniform meshing, low polygon effect, smooth operation and low running noise. The compact structure saves installation space while maintaining high transmission accuracy, effectively improving equipment operating stability and transmission efficiency.

  • Excellent Wear & Corrosion Resistance: Adopts precision stamping, fine grinding and surface anti-rust treatment. The matching clearance between pins, bushes and rollers is precisely controlled to reduce friction loss. It performs well in dusty, humid and high-temperature harsh industrial environments with longer service life.

  • High Transmission Efficiency & Low Vibration: Strict pitch tolerance control ensures highly consistent meshing with sprockets. The operation is stable with low vibration and low noise, reducing mechanical loss and energy consumption, and improving overall equipment operating efficiency.

  • Cost-Effective & Low Maintenance: The SP heavy-duty chain features high structural stability, not easy to loosen or deform during long-term operation. It greatly reduces replacement frequency and daily maintenance costs, realizing long-cycle stable operation and helping customers reduce overall operating costs.

Technical Parameters

  • Product Model: SP Series Heavy Duty Short Pitch Roller Chain

  • Product Type: Industrial High Strength Short Pitch Transmission Roller Chain

  • Applicable Industries: Industrial automation, metallurgy, mining, logistics conveying, packaging machinery, construction machinery

  • Core Material: High-strength Alloy Steel / Carbon Steel

  • Processing Technology: Precision stamping, CNC finishing, integral heat treatment, surface anti-rust treatment

  • Structural Feature: Thickened chain plate, reinforced pin & bush, heavy-duty anti-impact structure

  • Performance: High tensile, wear-resistant, impact-resistant, fatigue-resistant, low noise

  • Custom Service: Support customized length, surface treatment, special accessories and non-standard specifications

Wide Applications

SP Series heavy-duty short pitch roller chains are widely applied in heavy industrial transmission scenarios, including automated production lines, logistics conveyor equipment, mining machinery, metallurgical equipment, construction machinery, packaging machines, textile machinery, food processing machinery and other high-load continuous operating equipment. It is the preferred transmission chain for medium and heavy-duty mechanical drive systems, perfectly adapting to harsh industrial working conditions that require high strength, high stability and long service life.

Factory Strength & Service

We are a professional manufacturer of high-grade industrial roller chains, providing factory direct sales, OEM and ODM customized services. All SP series heavy-duty chains undergo strict mechanical performance testing and quality inspection before delivery, with stable quality, high precision and reliable performance. We support bulk wholesale, fast delivery and personalized non-standard customization, providing stable and cost-effective transmission chain solutions for global industrial equipment customers

94-1

CHAIN NO. Pitch Roller
diameter
Width
inner plates
Pin
diameter
Pin length Inner
depth
Plate
thickness
Transverse
pitch
Ultimate
tensile
strength
Average
tensile
strength
Weight
per
meter
Cadena No Paso Diámetro
rodillo
Ancho
interior
Diámetro
pasador
Longitud
pasador
Altura
placas
Ancho
placas
Paso
transversal
Resis.
rotura
Resis.
media
tracci
ón
Peso
por
metro
P d1
max
b
min
d2
max
L
max
Lc
max
h2
max
T Pt Q
min
Qo q
mm mm mm mm mm mm mm mm mm kN/LB KN kg/m
80HSP-1 25.40 15.88 15.75 7.94 36.2 38.9 24.1 4.0
89.2/20066 98.1 3.36
100HSP-1 31.75 19.05 18.95 9.54 43.6 46.9 30.1 4.8 - 131.8/29649 145.0 4.90
120HSP-1 38.10 22.23 25.22 11.11 53.5 57.5 36.2 5.6 - 176.0/39592 196.0 7.12
140HSP-1 44.45 25.40 25.22 12.71 57.6 62.2 42.2 6.4
231.9/52149 255.0 8.88
160HSP-1 50.80 28.58 31.55 14.29 68.2 73.0 48.2 7.2
294.5/66260 324.0 11.72
200HSP-1 63.50 39.68 37.85 19.85 86.6 93.5 60.3 9.5
543.6/122295 598.0 19.80
80HSP-2 25.40 15.88 15.75 7.94 68.8 72.0 24.1 4.0 32.59 178.4/40132 196.2 6.65
100HSP-2 31.75 19.05 18.95 9.54 82.7 86.0 30.1 4.8 39.09 263.6/59299 290.0 9.71
120HSP-2 38.10 22.23 25.22 11.11 102.4 106.4 36.2 5.6 48.87 356.4/80175 392.0 14.12
140HSP-2 44.45 25.40 25.22 12.71 109.8 114.4 42.2 6.4 52.20 463.6/104300 510.0 17.38
160HSP-2 50.80 28.58 31.55 14.29 130.1 134.9 48.2 7.2 61.90 588.0/132275 647.0 23.00
200HSP-2 63.50 39.68 37.85 19.85 164.9 171.8 60.3 9.5 78.31 1091.0/245429 1200.0 38.50
80HSP-3 25.40 15.88 15.75 7.94 101.4 104.6 24.1 4.0 32.59 267.6/60200 294.3 9.95
100HSP-3 31.75 19.05 18.95 9.54 121.8 125.1 30.1 4.8 39.09 395.4/88948 435.0 14.53
120HSP-3 38.10 22.23 25.22 11.11 151.2 155.2 36.2 5.6 48.87 534.5/120250 588.0 21.12
140HSP-3 44.45 25.40 25.22 12.71 162.0 166.6 42.2 6.4 52.20 695.5/156448 765.0 25.88
160HSP-3 50.80 28.58 31.55 14.29 192.0 196.8 48.2 7.2 61.90 882.7/198576 971.0 34.22
200HSP-3 63.50 39.68 37.85 19.85 243.2 250.1 60.3 9.5 78.31 1627.3/366073 1790.0 57.29
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