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Martin 12S 3 7/8 coupling hub is a cast iron hub for Quadra-Flex, Martin-Flex, or Go-Flex flexible shaft couplings. This size 12S hub features a 3-7/8" finished bore and a 10.000" outside diameter. It uses industry-standard QD bushings, sold separately.
MODEL 12S 3 7/8
Contact supplier for technical support on: 323-728-8117
$248.10 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable: See conditions
Material
Cast Iron
Outside Dia
10.000"
| Material | Cast Iron | Key Way Size | 1 X 1/2 in. |
|---|---|---|---|
| Coupling Size | 12 | Set Screw Size | 1/2-13X1/2 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 | 3.875 in. |
| Finished Bore Size | 3.875 in. | Max Bore Size | 3.938 in. |
| Storage Dimension Length | 10.000 in. | Weight | 22.80 lbs. |
| Storage Dimension Width | 10.000 in. | Individually Packaged | Boxed |
| Storage Dimension Height | 4.000 in. |
#2250374
McGill SB 22317 W33 S SPHERE-ROL single-row spherical roller bearing, 85 mm straight bore, C0 normal internal clearance, annular lube groove with three lube holes, Nylaplate seal one side. Built from 52100 bearing steel, self-aligning under static and dynamic shaft misalignment. Used in heavy-duty industrial gearboxes, vibrating screens, and conveyor head shafts.
| Brand | McGill Bearing |
| Model | SB 22317 W33 S |
$918.01
Each
Free Shipping orders over $100
#2249968
McGill SB 22212 C3 W33 S SPHERE-ROL single-row spherical roller bearing with 60 mm straight bore, C3 clearance, annular lube groove with three lube holes, and Nylaplate seal on one side. Built from 52100 bearing steel, it self-aligns under static and dynamic shaft misalignment. Used in heavy-duty industrial gearboxes, vibrating screens, and conveyor head shafts.
| Brand | McGill Bearing |
| Model | SB 22212 C3 W33 S |
$1,639.77
Each
Free Shipping orders over $100
#1748906
Toshiba B0606FLF3BSHJ01 EQP Global 841 inverter duty motor delivers 60 HP at 1200 RPM from a 404T NEMA frame. This totally enclosed fan cooled three-phase induction motor operates on 460V at 60 Hz. It is designed for variable frequency drive applications requiring constant torque over a wide speed range.
| Brand | Toshiba |
| Model | B0606FLF3BSHJ01 |
$6,838.00
Each
Free Shipping orders over $100
#2931505
$5,192.08
Each
Free Shipping orders over $100
#2250312
McGill SB 22312K C3 W33 SS SPHERE-ROL single-row spherical roller bearing, 60 mm bore, 1:12 tapered bore for adapter-sleeve mounting. C3 internal clearance, annular lube groove with three lubrication holes (W33), Nylaplate seals both sides. 52100 bearing steel. Self-aligning for heavy-duty gearboxes and conveyors.
| Brand | McGill Bearing |
| Model | SB 22312K C3 W33 SS |
$680.27
Each
Free Shipping orders over $100
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Item must be unused.
Item must be in it's original package.
Restocking, shipping and handling fees may apply to any return with this manufacturer.
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