HPE 78-Q1-8H Sprocket
HPE 78-Q1-8H Sprocket

HPE 78-Q1-8H Sprocket

This sprocket is compadble with the following chains: 81X, 81XH, 81XHH, 81XHD, 81KD, 81XHS, 81XHT, 81XRT, 81XST, 81X-UHMW, WH78, WH78HD, WH78XHD, WH78RB, S78, SS78, HB78, H74, H75, H775RT, H78LR, H78, H78A, H78B, H78SR, H79, C188, SS188, S188, 88, BRH188, MW188RT, SS578, MXS882, 882, MSR1288, 433-1/2, R588, RR588, R778, RR778, 988, IS880, 87R, IS881, IS882, LXS881, LXS886, US881, LXS887, LXS882, 488, XS578, US278R, US882, 578R, 588R

Specifications
Part #:78-Q1-8H                         
Tooth Count:8
Bushing Type:Q1
Outside Diameter:7.250"
Weight:22 LBS
Product Description

Our 8-tooth HPE sprocket is designed to work with 78-series chains (including 81X) and is a unique modular Engineer-Class Sprocket that uses a Q1 bushing, providing a broad range of bore sizes from stock components. HPE sprockets are designed to save users time and money. This 8-tooth sprocket is manufactured from top-grade C1045 steel and implements processes and features that improve overall sprocket lifespan, even in the toughest environments. HPE sprockets are available exclusively through PEAK Industrial Group distributors. For additional information or to find your closest distributor, contact our customer service team, and we will gladly assist you!

HPE Sprocket Advantages

Image Row (5 Wide)
Sprocket Dimensions
Sprocket Dimensions Drawing
Part # 78-Q1-8H
Bushing Type Q1
Tooth Count 8
Outside Diameter (D) 7.250"
Pitch Diameter (P) 6.820"
Root Diameter (G) 5.945"
Dimension (S) 3.875"
Dimension (L) 4.000"
Plate Thickness (T) 0.875"
Dub Diameter (H) 5.375"
Sprocket Width (W) 2.000"
Dimension (V) 1.125"
Bolt Circle (C) 4.625"
Keyway Width (K) 0.750"
Standard Bore Sizes

The chart below shows the standard bore sizes for Q1 bushings.

Bore (Inch) Bore (Inch) Bore (Metric) Bore (Metric)
0.750" 1.688" 18mm 42mm
0.875" 1.750" 19mm 45mm
0.938" 1.875" 20mm 48mm
1.000" 1.938" 22mm 50mm
1.125" 2.000" 24mm 55mm
1.188" 2.125" 25mm 60mm
1.250" 2.188" 28mm 65mm
1.313" 2.250" 30mm
1.375" 2.375" 32mm
1.438" 2.438" 35mm
1.500" 2.500" 36mm
1.563" 2.625" 38mm
1.625" 2.688" 40mm

HPE Sprocket Overview

Our HPE Sprockets are utilized in a broad range of applications, designed and created to get useres back up and running in a timley and budeget freiendly manner. HPE Sprockets are only availble through authorized PEAK Industrial Group Distributors. To find our more information or to locate a distributor please contact us!

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Why choose us

Top Tier Products & Support

Backed by some of the top minds in the industry, our products are a reflection of quality and uniqueness, unlike any other manufacturer in the Power Transmission marketplace, while also working harmoniously with a customer support team that genuinely cares about PEAK products and clients alike.

Extensive Inventory

We pride ourselves on having an extensive inventory of HPE sprockets and other associated brands under the PEAK umbrella.

Distributor Exclusivity

PEAK Industrial Group products, including HPE Sprockets, DUROCHAIN, and APEX Chain, are exclusively sold through our distribution network. This protects our distributors and maintains a balance in the power transmission marketplace.  

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