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3G Electric
MASTERDRIVE One-Piece Sleeve Coupling Insert, 12H - One-Piece Sleeve Coupling Inserts
MASTERDRIVEOne-Piece Sleeve Coupling Inserts

MASTERDRIVE One-Piece Sleeve Coupling Insert, 12H

The MASTERDRIVE Coupling Sleeve: 12 Coupling Size is a one-piece solid sleeve coupling insert rated for 50 hp, 31,500 in-lb torque, and 2,800 RPM max speed. This inch-size component (MPN 12H) is designed for…

SKU 3G-OTH-142700

Brand
MASTERDRIVE
Item
One-Piece Sleeve Coupling Insert, 12H
Part Number
12H
Category
One-Piece Sleeve Coupling Inserts
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

MASTERDRIVE
Manufacturer Part Number
12H
Type
31,500 in-lb Rated Torque, 50 hp
Max Speed
2,800 RPM

Technical Documents

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MASTERDRIVE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MASTERDRIVE Coupling Sleeve: 12 Coupling Size is a one-piece solid sleeve coupling insert rated for 50 hp, 31,500 in-lb torque, and 2,800 RPM max speed. This inch-size component (MPN 12H) is designed for industrial power transmission applications.

Frequently Asked Questions

What is a MASTERDRIVE coupling sleeve used for?

A MASTERDRIVE coupling sleeve connects two shafts in industrial power transmission systems, transmitting torque while accommodating minor misalignment. This one-piece solid sleeve (MPN 12H) is rated for 50 hp and 31,500 in-lb torque, making it suitable for pumps, conveyors, and gearboxes in heavy machinery.

What are the specifications of the MASTERDRIVE coupling sleeve 12H?

The MASTERDRIVE coupling sleeve 12H is a one-piece solid inch-size insert with a 12 coupling size. It delivers 50 hp, 31,500 in-lb rated torque, and a maximum speed of 2,800 RPM. The part number is 12H, and it is designed for industrial power transmission applications.

Where to buy MASTERDRIVE coupling sleeves worldwide?

3G Electric supplies MASTERDRIVE coupling sleeves worldwide, handling full logistics and customs clearance for international orders. As a global industrial solutions provider, we source genuine components like the 12H sleeve and deliver them to your facility. Contact us for pricing and lead time on this inch-size power transmission part.

How to select the right MASTERDRIVE coupling sleeve size?

To select the correct MASTERDRIVE coupling sleeve, match the coupling size (e.g., 12) to your shaft diameters and application torque. Verify that the rated torque (31,500 in-lb) and max speed (2,800 RPM) exceed your system requirements. Always confirm the inch-size bore dimensions and consult the manufacturer's catalog for fitment.

Used in

Common applications for MASTERDRIVE
Pump drives — MASTERDRIVE L110 or L190 jaw coupling hubs with elastomeric spiders to accommodate misalignment between motor and pump shafts.
Gearbox input connections — MASTERDRIVE finished bore close-coupled flanges in size 10 or 11 for rigid mounting to gearbox shafts.
Conveyor systems — MASTERDRIVE straight jaw coupling hubs in L035 or L110 sizes for light-to-medium duty torque transmission.
Mixers and agitators — MASTERDRIVE cast iron close-coupled flanges with keyed bores for direct motor mounting in vertical or horizontal arrangements.
Compressor packages — MASTERDRIVE jaw coupling hubs and inserts for connecting motor shafts to compressor input shafts with vibration damping.
MRO spares — individual MASTERDRIVE hubs, flanges, and spiders for replacement of worn coupling components without full assembly changeout.
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MASTERDRIVE Products

3G Electric supplies MASTERDRIVE one-piece sleeve coupling inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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