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Gear teeth are induction hardened for durability, and are also standardized for easier connection.
Gear-Couplings-Inner-hubs-GC-
Gear-Couplings-Inner-hubs-GC-_Dim
Unit of Measure
1 2 

Item #

List Price

Bore Type

Module

No. of teeth

Bore (A)

Pitch Diameter (C)

CAD

GC1-12S QUOTE N/A Plain N/A 2 N/A 25 N/A 0.472 in12 mm N/A 1.969 in50 mm N/A
GC1-20 QUOTE N/A Finished N/A 2 N/A 25 N/A 0.787 in20 mm N/A 1.969 in50 mm N/A
GC1-22 QUOTE N/A Finished N/A 2 N/A 25 N/A 0.866 in22 mm N/A 1.969 in50 mm N/A
GC1-25 QUOTE N/A Finished N/A 2 N/A 25 N/A 0.984 in25 mm N/A 1.969 in50 mm N/A
GC2-20S QUOTE N/A Plain N/A 2 N/A 40 N/A 0.787 in20 mm N/A 3.150 in80 mm N/A
GC2-30 QUOTE N/A Finished N/A 2 N/A 40 N/A 1.181 in30 mm N/A 3.150 in80 mm N/A
GC2-32 QUOTE N/A Finished N/A 2 N/A 40 N/A 1.260 in32 mm N/A 3.150 in80 mm N/A
GC2-35 QUOTE N/A Finished N/A 2 N/A 40 N/A 1.378 in35 mm N/A 3.150 in80 mm N/A
GC2-40 QUOTE N/A Finished N/A 2 N/A 40 N/A 1.575 in40 mm N/A 3.150 in80 mm N/A
GC3-20S QUOTE N/A Plain N/A 2.5 N/A 42 N/A 0.787 in20 mm N/A 4.134 in105 mm N/A
GC3-45 QUOTE N/A Finished N/A 2.5 N/A 42 N/A 1.772 in45 mm N/A 4.134 in105 mm N/A
GC3-50 QUOTE N/A Finished N/A 2.5 N/A 42 N/A 1.969 in50 mm N/A 4.134 in105 mm N/A
GC-0 QUOTE N/A N/A N/A N/A N/A N/A
GC1-12SJ12 QUOTE N/A Plain N/A 2 N/A 25 N/A 0.472 in12 mm N/A 1.969 in50 mm N/A
GC1-12SJ14 QUOTE N/A Plain N/A 2 N/A 25 N/A 0.472 in12 mm N/A 1.969 in50 mm N/A
GC1-12SJ15 QUOTE N/A Plain N/A 2 N/A 25 N/A 0.472 in12 mm N/A 1.969 in50 mm N/A
GC1-12SJ16 QUOTE N/A Plain N/A 2 N/A 25 N/A 0.472 in12 mm N/A 1.969 in50 mm N/A
GC1-12SJ17 QUOTE N/A Plain N/A 2 N/A 25 N/A 0.472 in12 mm N/A 1.969 in50 mm N/A
GC1-12SJ18 QUOTE N/A Plain N/A 2 N/A 25 N/A 0.472 in12 mm N/A 1.969 in50 mm N/A
GC1-12SJ19 QUOTE N/A Plain N/A 2 N/A 25 N/A 0.472 in12 mm N/A 1.969 in50 mm N/A
GC1-12SJ20 QUOTE N/A Plain N/A 2 N/A 25 N/A 0.472 in12 mm N/A 1.969 in50 mm N/A
GC1-12SJ22 QUOTE N/A Plain N/A 2 N/A 25 N/A 0.472 in12 mm N/A 1.969 in50 mm N/A
GC1-12SJ25 QUOTE N/A Plain N/A 2 N/A 25 N/A 0.472 in12 mm N/A 1.969 in50 mm N/A
GC2-20SJ20 QUOTE N/A Plain N/A 2 N/A 40 N/A 0.787 in20 mm N/A 3.150 in80 mm N/A
GC2-20SJ22 QUOTE N/A Plain N/A 2 N/A 40 N/A 0.787 in20 mm N/A 3.150 in80 mm N/A
Unit of Measure
1 2