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Fr-4-20 — Flat Root

Name: Spline Dimensions — flat_root: record id fr_4_20 · major dia ext in 5.25 in · major dia int in 5.25 in · minor dia ext in 4.625 in · minor dia int in 4.875 in
Creator: Engineering Database

Spline Type: Flat Root
Record Id: Fr 4 20
Base Circle Dia in (in): 4.3301
Circular Pitch in (in): 0.7854
Diametral Pitch: 4/8
Fit Class: Side Fit
Major Dia Ext in (in): 5.25
Major Dia Int in (in): 5.25
Minor Dia Ext in (in): 4.625
Minor Dia Int in (in): 4.875
Module Equiv (mm): 6.35
Num Teeth (count): 20
Pitch Dia in (in): 5
Pitch Dia MM (mm): 127
Pressure Angle Deg (deg): 30
Root Type: Flat
Standard: ANSI B92.1-1970 R1993 / Machinery's Handbook 31ST Ed.
Tooth Thickness in (in): 0.3927

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

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