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72B-2 Roller Chains According to DIN 8187

72B-2 roller chains (4 1/2″ × 68.58 mm) are among the common types of heavy-duty duplex drive chains. They are standardized according to ISO 606 (DIN 8187), meaning they belong to the European B-series.

The chains consist of outer links with pins and inner links with bushes, on which freely rotating rollers are mounted. The chains are made of steel. The exact grade of steel, production method and heat treatment of the steel of the individual parts vary by chain type, size and manufacturer.

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Chains Construction

Standard Duplex Roller Chain Construction
Standard Duplex Roller Chain Construction

  1. Inner link
  2. Outer link
  3. Pin
  4. Bush
  5. Roller

Chains Fields of Use

72B-2 roller chains according to DIN 8187 are designed for general applications, particularly in heavy industry.

They are primarily used as drive chains but can also be fitted with attachments for material handling and lifting.

Chains Material

Steel.

Chains Code Description

Example:
72B-2 KettenWulf HFS (4 1/2″ × 68.58 mm, DIN 8187) - 5 m Pack

Code Part Description
72B

Chain type (ISO 606 / DIN 8187, B-series)

2

Duplex roller chain

KettenWulf

Manufacturer

HFS

Chain type according to the manufacturer's designation

4 1/2″ × 68.58 mm

Pitch × internal width

DIN 8187

European chain standard (B-series)

5 m Pack

Standard pack length

Documents for Download

Dimensions and Parameters of DIN 8187 Roller Chains - Preview

Dimensions and Parameters of DIN 8187 Roller Chains

TYMA CZ Data Sheets

Czech and English (PDF 371.93 kB)

Chains - Preview

Chains

TYMA CZ Catalogue

Czech (PDF 2.01 MB)

Sprockets and Plate Wheels - Preview

Sprockets and Plate Wheels

TYMA CZ Catalogue

Czech and English (PDF 3.77 MB)


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