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Coupling Shaft Lengths

When considering shaft extensions into these couplings it is necessary that both shafts shall not be less than the minimum nor longer than the maximum on either the "A" or "B" side of the coupling.

Type "C"
shaftc.jpg (12530 bytes) Clutch Size "A" Bore Side Gap "B" Bore Side
"W" min. "X" max. "U" "Y" min. "Z" max.
10C 3/4 1 1/2 1/8 3/4 1 5/8
15C 1 1/16 2 1/8 1 1/4 2 3/8
20C 1 1/8 2 3/16 1/8 1 1/4 2 11/16
25C 1 9/16 2 11/16 3/16 1 3/8 2 13/16
30C 1 7/8 3 9/16 3/16 2 3 7/8
35C 2 1/16 4 3/8 1/4 2 4
40C 3 1/4 6 1/4 5/16 3 1/4 5 11/16
45C 4 5/8 8 5/16 5/16 4 7 3/8
Type "CL"
Clutch Size "A" Bore Side Gap "B" Bore Side shaftfcl.jpg (11618 bytes)
"W" min. "X" max. "U" "T" min. "S" max.
10CL 3/4 1 1/2 1/8 1 3/4 2 5/8
15CL 1 1/16 2 1/8 2 3 1/8
20CL 1 1/8 2 3/16 1/8 1 15/16 3 3/8
25CL 1 9/16 2 11/16 3/16 2 11/16 4 1/8
30CL 1 7/8 3 9/16 3/16 2 1/2 4 3/8
35CL 2 1/16 4 3/8 1/4 2 1/2 4 1/2
40CL 3 1/4 6 1/4 5/16 3 1/4 5 11/16
45CL 4 5/8 8 5/16 5/16 4 7 3/8
Type "FC"
shaftfc.jpg (9927 bytes) Clutch Size "A" Bore Side Gap "B" Bore Side
"O" min. "M" max. "U" "R" min. "Q" max.
10FC 1 1/8 1 3/16 1/8 1 7/16 1 9/16
15FC 1 1/2 1 9/16 1/8 1 15/16 2
20FC 1 3/4 1 7/8 1/8 2 1/2 2 5/8
25FC 2 2 1/8 3/16 2 11/16 2 13/16
30FC 2 1/2 2 11/16 3/16 3 5/8 3 13/16
35FC 3 3 3/16 1/4 4 1/4 4 7/16
40FC 4 4 3/16 5/16 5 3/8 5 9/16
45FC 5 5 1/4 5/16 7 7 5/16
Type "FCL"
Clutch Size "A" Bore Side Gap "B" Bore Side shaftfcl.jpg (11618 bytes)
"O" min. "M" max. "U" "R" min. "N" max.
10FCL 1 1/8 1 3/16 1/8 1 7/16 3 3/8
15FCL 1 1/2 1 9/16 1/8 1 13/16 4 1/16
20FCL 1 3/4 1 7/8 1/8 2 1/2 4 5/8
25FCL 2 2 1/8 3/16 2 11/16 5 5/16
30FCL 2 1/2 2 11/16 3/16 3 5/8 6 5/16
35FCL 3 3 3/16 1/4 4 1/4 7 1/16
40FCL 4 4 3/16 5/16 5 3/8 8 3/4
45FCL 5 5 1/4 5/16 7 11 5/16

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