120
What is the ansi pitch (in) for 120?
For 120, ansi pitch (in) is 1.500; ansi roller diameter (in) is 0.875; ansi width between roller link plates (in) is 1.000; iso 606 a-series number (same chain) is 24A; bs/din b-series chain of the same pitch is 24B, recorded from its source on 2026-09-01; source re-checked 2026-09-16.
P R W T H h D 120 1.500 0.875 1.000 0.187 1.425 1.228 0.437
— ustsubaki.com, retrieved 2026-09-01
- ANSI chain number
- 120 our reading
- ANSI pitch (in)
- 1.500 verified
- ANSI roller diameter (in)
- 0.875 verified
- ANSI width between roller link plates (in)
- 1.000 verified
- ISO 606 A-series number (same chain)
- 24A verified
- BS/DIN B-series chain of the same pitch
- 24B our reading
- BS/DIN pitch (in)
- 1.500 verified
- BS/DIN roller diameter (in)
- 1.000 verified
- BS/DIN width between roller link plates (in)
- 1.000 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)
1-1/2 x 1 120 24A 38.1 25.22 35.3 22.23 11.1 6.6 36.2 127,000 50.3 96.1 141.9 48.2 94 48.2
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)
RS24BRB 24B 1.500 1.000 1.000
— 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