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Sprockets for DIN 8188 ASA/ANSI Roller Chains (A Series)

Řetězová kola pro válečkové řetězy

ASA/ANSI (DIN 8188 - A Series) and plate wheels are an essential part of chain transmissions for all types of ASA roller chains - American series (06A, 08A, 10A, etc.).

The sprockets may be simplex, duplex or triplex, depending on the chain type.


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Sprockets Fields of Use

The sprockets for ASA chains (06A, 08A, etc.) are designed for general use in light and heavy industry.

They are used in drives, but can also be used for lifting or transporting material.

Sprockets Material

Steel C43.

Other materials to order.

Sprockets Basic Profile

  • N - sprocket - 10A, 12A, 16A, 20A, 24A
  • P - plate wheel (disc) - 04C, 06C, 08A, 10A, 12A, 16A, 20A, 24A

Sprockets Code Description

08A-1-20-N DIN 8188 (ASA 40-1, 1/2 × 5/16)

Code Part Description

Type of chain




Number of teeth


With-hub design

DIN 8188 Standard (A series)
ASA 40-1 Chain designation according to ANSI standard (USA)
1/2 × 5/16

Pitch of teeth in inches × internal width of the chain in inches

Documents for Download

Dimensions and Parameters of Sprockets for DIN 8188 ASA/ANSI Roller Chains - Preview

Dimensions and Parameters of Sprockets for DIN 8188 ASA/ANSI Roller Chains

TYMA CZ Data Sheets

Czech and English (PDF 1.33 MB)

Chains - Preview


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)