Nissei Corporation


Output Shaft Key Dimensions (New JIS, Old JIS)

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Output Shaft Key Dimensions (New JIS, Old JIS)

Shaft diameter Old JIS New JIS
2 types of JIS parallel key JIS B 1301-1996 Standard
A dimension B dimension C dimension Included key B dimension C dimension Included key
18 20 5 5×5×27SR 20.5 6 6×6×27SR
22 25 7 7×7×35SR 24.5 6 6×6×35SR
28 31 7 7×7×40SR 31 8 8×7×40SR
32 35.5 10 10×8×50SR 35 10 10×8×50SR
40 43.5 10 10×8×60SR 43 12 12×8×60SR
50 53.5 12 12×8×70SR 53.5 14 14×9×70SR

Note: The code "SR" on the included key
refers to a single rounded end.

Output Shaft Key Dimensions

Example:5×5×27SR

5×5×27SR

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