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Keyway Size Chart

Keyway Size Chart - When the key is of an appropriate size relative to the torque to be transmitted, a shaft thicker than the applicable shaft diameter may be used. Nominal shaft diameter nominal key size normal keyseat depth over up to and incl. Actual shaft fit will vary depending on actual shaft diameters. 4.8 6.4 2.38 2.38 2.38 1.48 2.38 0.95 6.4 9.5 3.18 3.18 3.18. Surface finish — sides and bottom of keyways shall not exceed 250 micro inches. Over width, w height, h size, bxh 1 1/4. Please note that the key sizes in parentheses are older sizes that are no longer commonly used. In the metric system it is common practice to specify the key size. Keyway depth and fillet radius per bs 4235. To confirm the status of any standard, identify the replacement standard if it is obsolete and/or purchase the standard please use.

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Keyway Depth And Fillet Radius Per Bs 4235.

Web keyway dimensions metric keyways diameter key shaft hub over incl w h width depth tol. 4.8 6.4 2.38 2.38 2.38 1.48 2.38 0.95 6.4 9.5 3.18 3.18 3.18. Referencing figure 1, the metric key size is w x t. Nominal shaft diameter nominal key size normal keyseat depth over up to and incl.

In Some Cases, T1 And T2 Should Be Adjusted So That A Side Of The Key Will Come Into Uniform Contact With The Shaft And The Hub.

Retaining ring (excerpt from jis b 2804 2010) bearing mounting dimensions To confirm the status of any standard, identify the replacement standard if it is obsolete and/or purchase the standard please use. Web british standard metric keyways for square and rectangular parallel keys 11 5/16 3/8 7/16 1/2 3/4 3/4 7/8 nominal diameter, d 6 1/2. Dimensioning and specifying metric keys and keyways varies significantly from the english system.

Web Keyway & Key Dimensions.

All dimensions are in millimeters. (dimensions comply with din 6885/1) † requires use of chamfered keys. Web parallel key and keyway sizes and tolerances; In the metric system it is common practice to specify the key size.

Rad 10 12 4 4 2.5.

Keyway width tolerances per bs 4235 p9 fit. Along with keyway size tolerances and keyway depth sizes, some standards also provide information on the recommended key size and keyway depth as a function of shaft diameter. Actual shaft fit will vary depending on actual shaft diameters. Selecting the proper size keyway is determined by the shaft size.

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