the torque load. Improperly fitted keys and keyways -either too tight or too loose- can result in mechanical failures. Therefore, to ensure appropriate fit, the width and height dimensions of standard key and keyways must be held to recommended tolerances. Industry standards for key sizes in various bores exist for both English and Metric systems.

Metric Key & Keyway Dimensions Per ISO/R773 - Js9 Width Tolerance « + Keyways will be furnished per ISO/R773 and Js9 width tolerance unless otherwise specified. (Dimensions comply with DIN 6885/1) † Requires use of chamfered keys. Surface Finish — Sides and bottom of keyways shall not exceed 250 micro inches.

8/31 · Keyways will be furnished per ISO/R773 and Js9 width tolerance unless otherwise specified. (Dimensions comply with DIN 6885/1) † Requires the use of chamfered keys.

As noted above, when selecting a keyway tolerance, there are two common selections in the metric system. The first is Js9. This is a +/- band clearance; the value of the tolerance is equally oversized or undersized. The second is a P9 tolerance. This is an

KeyWay /Key Dimensions. keyways /keys dimension in accordance with BS 4235-1:1972: Specification for metric keys and keyways Tolerance Class Shaft t 1 Hub t 2 Over Incl Free Normal Close/Int----Shaft H9 Hub D10 Shaft N9 Hub Js9 Shaft/Hub P9 Nom

Whether dimensions according to standard, special materials or production to drawing, as a manufacturer of parallel keys and wedges the company crummenerl-gmbh.de can quickly implement every wish in every lot size! To go to the page of our product partner, please click here! The following books can be recommended without restrictions. Support

Hub keyway depth is one-half the nominal height of the key and measured from the side corner. The dimension from the top of the keyway to the opposite bore side, “T-dim”, is calculated from (refer to ANSI/AGMA 9002-B04) the following: T = bore + (h kw - Ch)

Parallel Key and Keyway Sizes and Tolerances is provided. Nominal key size b × h, Applied shaft diameter d, Key size, Keyway size.

Keyway Dimensions Title ANSI_B17_1-Keyway_Dimensions.xls Created Date 1/23/ 8:35:20 AM

The tolerance for l should be h12 under JIS B0401(dimension tolerance and fitting), in principle. 6,8,10,12,14,16,18,20,22,25,28,32,36, 

Metric Keyway Dimensions Per ISO/R773 – P9 Width Tolerance H and Metric Key & Keyway Metric External Table Chart Thread Designations Sizes M 1.6 - M 18.