Martin 3G-OTH-132957 — Technical Specifications

Name: Martin 3G-OTH-132957 MARTIN Chain Shaft Coupling Hub: 40, Steel, 7/8 in Bore Dia, 3/16 in x 3/32 in Keyway Size, 12 Teeth (MPN 4012 x 3/4). Key specifications — attr673435: Round Keyed; attr673436: 7/8 in; attr673438: 40; attr673457: Steel; attr85393: MARTIN.
Brand: Martin

The MARTIN Chain Shaft Coupling Hub: 40 is a keyed bore chain coupling sprocket made of steel. It features a round keyed 7/8 in bore diameter with a 3/16 in x 3/32 in keyway size and 12 teeth. This component is identified by manufacturer part number 4012 x 3/4.

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Technical Specifications

Parameter	Value
Type	Steel
Teeth	12
Bore Dia	7/8 in
Keyway Size	3/16 in x 3/32 in
Manufacturer Part Number	4012 x 3/4