MARTIN BLUE-FLEX GRIDPlain Bore Grid Coupling Shaft Hubs

MARTIN BLUE-FLEX GRID CPLG SHAFT HUB - 1130T GRID AND BELOW: Steel, Plain

SKU 3G-OTH-133225

Also listed as: 1040TSH · 1040T SH

Brand

MARTIN BLUE-FLEX GRID

Item

CPLG SHAFT HUB - 1130T GRID AND BELOW: Steel, Plain

Local availability & support

Delivery: Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

MARTIN BLUE-FLEX GRID

Manufacturer Part Number

1040T-SH 

Type

- 1130T GRID AND BELOW: Steel, Plain, Inch 

Outside Dia

4.44 in 

Technical Documents

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MARTIN BLUE-FLEX GRID Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MARTIN BLUE-FLEX GRID CPLG SHAFT HUB is a plain bore grid coupling shaft hub from MARTIN, model 1040T. Constructed of steel with a plain bore, it accommodates angular misalignment and has a maximum speed rating of 3,600 RPM. This inch-size hub has a 4.44-inch outside diameter and is designed for use with 1130T grid and below.

Frequently Asked Questions

What is the MARTIN BLUE-FLEX GRID 1040T-SH coupling hub used for?

The MARTIN BLUE-FLEX GRID 1040T-SH is a steel plain bore shaft hub used in grid couplings to connect rotating shafts while accommodating angular misalignment. It is designed for use with 1130T grid and below in industrial power transmission applications such as conveyors, pumps, and compressors.

What are the specifications of the MARTIN 1040T-SH grid coupling hub?

The MARTIN 1040T-SH is a steel plain bore grid coupling shaft hub with a 4.44-inch outside diameter. It has a maximum speed rating of 3,600 RPM and accommodates angular misalignment. This inch-size hub is designed for use with 1130T grid and below.

Where to buy MARTIN BLUE-FLEX GRID coupling hubs worldwide?

3G Electric supplies MARTIN BLUE-FLEX GRID coupling hubs like the 1040T-SH to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this steel plain bore hub.

How to select the correct MARTIN grid coupling hub for an application?

To select the correct MARTIN grid coupling hub, verify shaft diameter, bore type (plain or keyed), outside diameter, and speed rating. The 1040T-SH is a steel plain bore hub rated for 3,600 RPM and 4.44-inch OD, designed for 1130T grid and below. Always confirm torque and misalignment requirements with the coupling manufacturer.

Used in

Common applications for MARTIN BLUE-FLEX GRID

Pump drives — Martin Blue-Flex Grid hubs (e.g., 1100T-HUB) used in centrifugal pump couplings for misalignment accommodation.

Compressor systems — Grid coupling covers (e.g., 1090T10-COV) protecting grid elements in horizontal compressor shaft connections.

Conveyor power transmission — Plain bore hubs (e.g., 1040T-HUB) for torque transmission in material handling conveyors.

Industrial fan assemblies — Seal kits (e.g., 1110T20-SEAL) reducing vibration in vertical fan shaft couplings.

Mixer and agitator drives — Steel grid hubs (e.g., 1120T-HUB) handling shock loads in mixing equipment.

Generator sets — Finished bore hubs (e.g., 1020T-HUB) for coupling engines to generators in standby power systems.

MARTIN BLUE-FLEX GRID Products

3G Electric supplies MARTIN BLUE-FLEX GRID 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.

Browse all MARTIN BLUE-FLEX GRID products →Contact our engineers →