IS 4586 Pt.2/Sec.1-1980 Spindle Dimensions and Mounting Arrangements for Spindle Operating Electronics Part 2 Mounting Arrangements Section 1: Components and Panel Cutouts
Covers dimensions for following types of mounting arrangements:
a) Single bush mounting with panel lug on mounting face,
b) Single bush mounting with single and double flatted bush, and
c) Single hole bush mounting with panel lug on bush.
1.1 It does not cover chassis fixing arrangements.