Explore the Engineering Database more efficiently by signing up for free. Sign up free

Fr-16-21 — Flat Root

Name: Spline Dimensions — flat_root: record id fr_16_21 · major dia ext in 1.375 in · major dia int in 1.375 in · minor dia ext in 1.2188 in · minor dia int in 1.25 in
Creator: Engineering Database

Spline Type: Flat Root
Record Id: Fr 16 21
Base Circle Dia in (in): 1.1367
Circular Pitch in (in): 0.1963
Diametral Pitch: 16/32
Fit Class: Side Fit
Major Dia Ext in (in): 1.375
Major Dia Int in (in): 1.375
Minor Dia Ext in (in): 1.2188
Minor Dia Int in (in): 1.25
Module Equiv (mm): 1.5875
Num Teeth (count): 21
Pitch Dia in (in): 1.3125
Pitch Dia MM (mm): 33.338
Pressure Angle Deg (deg): 30
Root Type: Flat
Standard: ANSI B92.1-1970 R1993 / Machinery's Handbook 31ST Ed.
Tooth Thickness in (in): 0.0982

Source: ANSI B92.1-1970 R1993 / Machinery's Handbook 31st Ed.

Browse more mechanical engineering reference tables →