100
What is the ansi pitch (in) for 100?
For 100, ansi pitch (in) is 1.250; ansi roller diameter (in) is 0.750; ansi width between roller link plates (in) is 0.750; iso 606 a-series number (same chain) is 20A; bs/din b-series chain of the same pitch is 20B, recorded from its source on 2026-09-01; source re-checked 2026-09-16.
P R W T H h D 100 1.250 0.750 0.750 0.156 1.185 1.024 0.375
— ustsubaki.com, retrieved 2026-09-01
- ANSI chain number
- 100 our reading
- ANSI pitch (in)
- 1.250 verified
- ANSI roller diameter (in)
- 0.750 verified
- ANSI width between roller link plates (in)
- 0.750 verified
- ISO 606 A-series number (same chain)
- 20A verified
- BS/DIN B-series chain of the same pitch
- 20B our reading
- BS/DIN pitch (in)
- 1.250 verified
- BS/DIN roller diameter (in)
- 0.750 verified
- BS/DIN width between roller link plates (in)
- 0.770 verified
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
Where each value comes from
This source states these in separate places, so each value is shown with the passage that states it.
ISO 606 A-series number (same chain)
1-1/4 x 3/4 100 20A 31.75 18.9 27.4 19.05 9.53 6.1 30.1 88,500 40.4 76.3 112.2 38.2 74.1 38.2
BS/DIN B-series chain of the same pitch, BS/DIN pitch (in), BS/DIN roller diameter (in) and BS/DIN width between roller link plates (in)
RS20BRB 20B 1.250 0.750 0.770
— all from ustsubaki.com, retrieved 2026-09-01
Sources
- ustsubaki.comhttps://www.ustsubaki.com/wp-content/uploads/tsubaki-roller-chain-catalog-compressed.pdf
- ametric.comhttps://www.ametric.com/images/document/chains-roller.pdf