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-133220

Also listed as: 1090TSH · 1090T 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

1090T-SH 

Type

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

Outside Dia

8.25 in 

Technical Documents

No technical documents available for this product.

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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 1090T. It is constructed of steel with a plain bore, has an 8.25-inch outside diameter, and is rated for 3,600 RPM. This hub accommodates angular misalignment and is designed for use with 1130T grid and below couplings.

Frequently Asked Questions

What is the MARTIN BLUE-FLEX GRID 1090T-SH coupling hub used for?

The MARTIN BLUE-FLEX GRID 1090T-SH is a plain bore grid coupling shaft hub used to connect rotating shafts in industrial power transmission systems. It accommodates angular misalignment and is designed for use with 1130T grid and below couplings, making it suitable for pumps, conveyors, and compressors.

What are the specifications of the MARTIN 1090T-SH grid coupling hub?

The MARTIN 1090T-SH is a steel plain bore grid coupling shaft hub with an 8.25-inch outside diameter and a maximum speed rating of 3,600 RPM. It is designed for angular misalignment and fits 1130T grid and below couplings. The part number is 1090T-SH.

Where to buy the MARTIN 1090T-SH coupling hub worldwide?

3G Electric supplies the MARTIN 1090T-SH plain bore grid coupling shaft hub to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this MARTIN component.

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

To select the correct MARTIN grid coupling hub, match the shaft diameter to the plain bore size, confirm the outside diameter (8.25 in for 1090T-SH), and verify the speed rating (3,600 RPM). Ensure the hub is compatible with the grid size (1130T and below) and accommodates angular misalignment as needed.

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.

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