56 .UDC621.825.5 JIS ! JAPANESE INDUSTRIAL STANDARD ∩ Geared Type Shaft Couplings JISB1453-198 Translated and Published by. Japanese Standards Association Printed in Japan 6S In the event of any doubt arising the original Standard in Japanese is to be final authority. 113 The Standard is downloaded from Standard Sharing 619 UDC621.825.5 JAPANESE INDUSTRIAL STANDARD JIS Geared Type Shaft Couplings B1453-1988 1.Scope This Japanese Industrial Standard specifles the geared type shaft couplings within the following ranges hereinafter referred to as the "cou- plings" of those for general use. (1)Peripheral velocity of the outside diameter of couplings:40 m/s or under (2)Revolution of couplings:66.67s-1(4000 rpm}or under Remark:In this Standard the units and numerical values in are based on traditional units and appended for information only. 2.Classification Couplings are classified according to the construction as given in Table 1. Table 1.Classification Unit:mm Symbol Range of notminal Range of maxinum Classification of type outside diameter diameter of shaft Remarks of coupling hole Standard.Standard SS type Stardard.M111 See Figs.in SM 100t0400 25t0180 Attached motor type Table 1 St...