shaft keyway tolerance chart

DIN-Keys & Keyways to ISO Diameter d in accordance to DIN 6885/1 in accordance to DIN 6885/3 above to Width b 1) Depth h Shaft Keyway Depth t₁ Hub Keyway 

For parallel key The shape and dimension of keyway used for the parallel (3) The measuring positions of width (b₁) and depth (t₁) of the keyway in shaft.

Standard Metric Keys & Keyways for Metric Bores with One Key • Couplings Coupling Hub Keyway Dimensions – Inches. Shaft Diameter. “D”. Key Size. Nominal.

The key chamfer shall be the minimum to clear the keyway radius. Nominal values are given. Diameter of Shaft. Up to and. Including.

2362 KEYS AND KEYWAYS 00 8 oo 6 x O O o x xo 6 O 00 o 00 C 00 O S 6 O 00 . KEYS AND KEYSEATS 00 00 so 2355 00 88 00 co CO o x 00 co X O x x

Metric Standard Parallel Keyway and Key Sizes Shaft Diameter (mm) Keyway (mm) Key (mm)* From To Width (W) Depth (h) Width (W) Depth (T) 6 8 2 1.0 2 2 9 10 3 1.4 3 3 11 12 4 1.8 4 4

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 Sizes (mm) over 3 6 10 18 30 40 50 65 80 100 120 140 160 180 200 225 250 280 315 355 inc. 6 10 18 30 40 50 65 80 100 120 140 160 180 200 225 250 280 315 355 400 micrometres a12-270-390-280 -430-290 -470 -380 -730-410 -760

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Square Keyway Tolerances 3/8 .3750 7/16 .4375 Page 1 of 6 PFEIFER INDUSTRIES, LLC. 2180 Corporate Lane, Suite 104 ~ Naperville, IL 60563 USA Phone (630) 596-9000 Fax (630) 596

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