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MARTIN Spacer Hub Plain Bore: Steel, Plain, 12.56 in Outside Dia, 2 1/2 in Bore Dia - Plain Bore Grid Coupling Shaft Hubs
MARTINPlain Bore Grid Coupling Shaft Hubs

MARTIN Spacer Hub Plain Bore: Steel, Plain, 12.56 in Outside Dia, 2 1/2 in Bore Dia

The MARTIN 1120T-SH is a steel plain bore grid coupling shaft hub with a 12.56-inch outside diameter and a 2.5-inch bore diameter. It features a parallel keyway and is rated for 2,025 RPM. This inch-series spacer hub…

SKU 3G-OTH-133222

Brand
MARTIN
Item
Spacer Hub Plain Bore: Steel, Plain, 12.56 in Outside Dia, 2 1/2 in Bore Dia
Category
Plain Bore Grid Coupling Shaft Hubs
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Technical Specifications

MARTIN
Manufacturer Part Number
1120T-SH
Type
Plain, 1120T-SH, Inch
Bore Dia
2 1/2 in
Outside Dia
12.56 in
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MARTIN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MARTIN 1120T-SH is a steel plain bore grid coupling shaft hub with a 12.56-inch outside diameter and a 2.5-inch bore diameter. It features a parallel keyway and is rated for 2,025 RPM. This inch-series spacer hub is designed for use in grid coupling assemblies.

Frequently Asked Questions

What is the MARTIN 1120T-SH spacer hub used for?

The MARTIN 1120T-SH is a steel plain bore grid coupling shaft hub used in industrial power transmission systems. It connects shafts in grid coupling assemblies to transmit torque while accommodating misalignment. Common applications include conveyors, pumps, and heavy machinery where reliable, high-torque coupling is required.

What are the specifications of the MARTIN 1120T-SH?

The MARTIN 1120T-SH is a steel plain bore grid coupling hub with a 12.56-inch outside diameter and a 2.5-inch bore diameter. It features a parallel keyway, is rated for 2,025 RPM, and is part of the inch-series 1120T family. The hub is designed for use with MARTIN grid coupling components.

Where to buy the MARTIN 1120T-SH worldwide?

3G Electric supplies the MARTIN 1120T-SH spacer hub to customers worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this plain bore grid coupling hub.

How to select the correct MARTIN grid coupling hub?

To select the correct MARTIN grid coupling hub, match the bore diameter and keyway to your shaft size, and verify the outside diameter and RPM rating meet your application requirements. The 1120T-SH uses a plain bore with parallel keyway. Always consult the coupling manufacturer's guidelines for torque and misalignment limits.

Used in

Common applications for MARTIN
Conveyor systems — MARTIN chain coupling sprockets (e.g., 6020SK) for torque transmission between motor and conveyor shaft.
Pump drives — MARTIN keyed bore coupling sprockets (e.g., 4016 x 1-3/16) for connecting pump impeller shafts.
Material handling equipment — MARTIN QD bushed sprockets (e.g., 5018SH) for adjustable bore mounting in bucket elevators.
Industrial gearboxes — MARTIN grid coupling seal kits (e.g., 1040T10-SEAL) to dampen vibration in gearbox output shafts.
Compressor systems — MARTIN spacer hubs (e.g., 1120T-SH) for aligning compressor and motor shafts with parallel keyways.
Mining machinery — MARTIN chain coupling hubs (e.g., 10018 x 2-7/16) for heavy-duty torque transfer in crusher drives.

MARTIN Products

3G Electric supplies MARTIN plain bore grid coupling shaft hubs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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