Image for Illustration purposes only. Actual product may vary

Martin 12S 2 3/8 cast iron coupling hub for Quadra-Flex, Martin-Flex, or Go-Flex flexible shaft couplings. Size 12S, 2-3/8" bore, 10.000" outside diameter.

Name: Martin 12S 2 3/8 cast iron coupling hub for Quadra-Flex, Martin-Flex, or Go-Flex flexible shaft couplings. Size 12S, 2-3/8" bore, 10.000" outside diam
Brand: Martin Sprocket
Price: 248.1 USD
Availability: InStock
Rating: 5.0 (4 reviews)

MODEL 12S 2 3/8

BRAND

Martin Sprocket

SKU

249349

WEIGHT

27.500 lb

UOM

each

Contact supplier for technical support on: 323-728-8117

$248.10 Each

Prices are subject to change

FREE SHIPPING ON ORDERS OVER $100

Select Quantity

GET A QUOTE

Typically Ships in: 1 day

Returnable: See conditions

Material

Cast Iron

Outside Dia

10.000"

Material	Cast Iron	Key Way Size	5/8 X 5/16 in.
Coupling Size	12	Set Screw Size	5/8-11X5/8 in.
Outside Diameter	10.000 in.	Set Screw Location	1 Over Kw, 1 @ 90° Ccw
Length Thru Bore	4.000 in.	Number of Set Screws	2
Bore Type	Bored To Size	Min Bore Size	2.375 in.
Finished Bore Size	2.375 in.	Max Bore Size	3.938 in.
Storage Dimension Width	10.000 in.	Individually Packaged	Boxed
Storage Dimension Height	4.000 in.

SKU: 251128

Martin s1036 gears

Great Item, for a great deal!

SKU: 251157

21 tooth 12 dp spur gear

The 21 tooth 12 DP gear I bought arrived very quickly. It was exactly what I needed to fix my RV slide out. I had to machine it to fit, but I knew that when I ordered it. VERY SATISFIED!!!

SKU: 248336

Bushing

PROMPT SHIPPING AND WELL PACKAGED. THANKS

SKU: 262256

Works great

Works perfect and made my gokart way faster

When will I be charged for my order?

Do you provide credit terms?

Can I get a discounted price? I am a reseller / government entity.

What is the return/warranty policy?

Can it be shipped today?

Does “Usually ships in 24 hours” mean it’s in stock?

Read full FAQ

Recently Viewed

#96649653

WEG SP-IRTBX-10492932 is a replacement terminal box kit designed for W22 severe duty and IEEE 841 motors. This cast iron kit includes a gasketed conduit box with NPT threaded holes, providing a true IP55 enclosure rating for protection against dust and moisture. It is compatible with cast iron frames from 143T through 449T and is suitable for use in harsh industrial environments requiring Class I Div 2 certification and inverter duty applications.

Brand	WEG
Model	SP-IRTBX-10492932

$55.00 Each

Free shipping

#6461649

SMC PF3WR06DN-720S-04-D-F PF3W digital flow switch for water and ethylene glycol aqueous solutions. Features a 3-color/2-screen display, IO-Link compatibility, and space-saving design with up to 85% footprint reduction. Fluid temperature range 0 to 90°C. No piping required for installation.

Brand	SMC
Model	PF3WR06DN-720S-04-D-F

$3,091.14 Each

Free Shipping orders over $100

#403499

STIEBER RSCI-25 CLUTCH

Brand	STIEBER
Model	RSCI-25

$1,409.56 Each

Free Shipping orders over $100

#1152722

IPTCI SALF206-18-G 2-Bolt Flange Eccentric Collar mounted ball bearing unit with 1-1/8" bore. Standard lip seal. Narrow inner race insert. Cast iron housing. Suitable for light-to-medium duty shafting applications.

Brand	IPTCI Bearing
Model	SALF 206 18 G

$32.01 Each

Free shipping

#6316430

Baldor CWDM3538-H is a washdown duty motor accessory kit designed for use with compatible Baldor-Reliance washdown motors. This kit includes components necessary for installation, maintenance, or conversion in food and beverage, pharmaceutical, and other sanitary processing environments. It is engineered to meet the corrosion-resistant requirements of washdown applications, ensuring durability and reliability in high-moisture and cleaning chemical exposure.

Brand	Baldor
Model	CWDM3538-H

Add to cart to see price

Free Shipping orders over $100

#96696058

Grove Gear 1325WBM1B-40AA 10195460 40:1 ratio cast iron worm gear reducer from the Legacy series. This single-reduction right-angle reducer features a 1325 frame size and solid output shaft for general industrial power transmission applications requiring reliable speed reduction.

Brand	Electra/Grove Gear
Model	10195460

$2,151.19 Each

Free Shipping orders over $100

#5979409

NAE PE449T-250-6-575V general purpose motor, 250 HP, 1200 RPM, NEMA 449T frame, Totally Enclosed Fan Cooled (TEFC), 3-phase, 575V, 60 Hz, NEMA Design B, 1.15 service factor, Premium Efficiency, inverter duty. Cast iron construction for industrial applications.

Brand	NAE
Model	PE449T-250-6-575V

$17,347.17 Each

Free Shipping orders over $100

Reviews

SKU: 251128

Martin s1036 gears

Great Item, for a great deal!

SKU: 251157

21 tooth 12 dp spur gear

The 21 tooth 12 DP gear I bought arrived very quickly. It was exactly what I needed to fix my RV slide out. I had to machine it to fit, but I knew that when I ordered it. VERY SATISFIED!!!

SKU: 248336

Bushing

PROMPT SHIPPING AND WELL PACKAGED. THANKS

SKU: 262256

Works great

Works perfect and made my gokart way faster

Martin 12S 2 3/8 cast iron coupling hub for Quadra-Flex, Martin-Flex, or Go-Flex flexible shaft couplings. Size 12S, 2-3/8" bore, 10.000" outside diameter.

Return policy