We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

DDS Rotary Shaft Seal: 2 Lip w/Spring, TCN, Nitrile, 1.25 in ID, 1.75 in OD - Dual-Lip Oil Seals with Rubber-Enclosed Cases for Rough Bores
DDSDual-Lip Oil Seals with Rubber-Enclosed Cases for Rough Bores

DDS Rotary Shaft Seal: 2 Lip w/Spring, TCN, Nitrile, 1.25 in ID, 1.75 in OD

The DDS Rotary Shaft Seal: 2 Lip w/Spring is a dual-lip oil seal with a rubber-enclosed case designed for rough bores. This TCN-type seal is made of nitrile and has an inner diameter of 1.25 inches, an outer diameter…

SKU 3G-OTH-154731

Also listed as: IN31754445635TCN · IN31 7544 456 35TCN · IN31-7544-456-35TCN

Brand
DDS
Item
Rotary Shaft Seal: 2 Lip w/Spring, TCN, Nitrile, 1.25 in ID, 1.75 in OD
Category
Dual-Lip Oil Seals with Rubber-Enclosed Cases for Rough Bores
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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

DDS
Manufacturer Part Number
IN31.7544.456.35TCN
Type
TCN, Nitrile
OD
1.75 in
Wd
0.25 in
ID
1.25 in

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The DDS Rotary Shaft Seal: 2 Lip w/Spring is a dual-lip oil seal with a rubber-enclosed case designed for rough bores. This TCN-type seal is made of nitrile and has an inner diameter of 1.25 inches, an outer diameter of 1.75 inches, and a width of 0.25 inches (MPN IN31.7544.456.35TCN). It is an inch-sized component from the DDS brand.

Frequently Asked Questions

What is the DDS Rotary Shaft Seal: 2 Lip w/Spring used for?

This DDS dual-lip oil seal with a rubber-enclosed case is used to retain lubricants and exclude contaminants in rotating shaft applications, particularly in rough bore housings. It is suitable for industrial equipment such as pumps, gearboxes, and motors where reliable sealing against dirt and moisture is required.

What are the specifications of the DDS Rotary Shaft Seal: 2 Lip w/Spring?

This DDS TCN-type seal has an inner diameter of 1.25 inches, an outer diameter of 1.75 inches, and a width of 0.25 inches. It features a dual-lip design with a spring, a nitrile rubber element, and a rubber-enclosed case for rough bores. The manufacturer part number is IN31.7544.456.35TCN.

Where to buy the DDS Rotary Shaft Seal: 2 Lip w/Spring worldwide?

3G Electric supplies the DDS Rotary Shaft Seal: 2 Lip w/Spring worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this seal for your application.

How to install the DDS Rotary Shaft Seal: 2 Lip w/Spring?

To install this DDS seal, ensure the shaft and bore are clean and free of burrs. Lubricate the seal lip and shaft with compatible oil. Press the seal evenly into the bore using a suitable driver tool, avoiding damage to the rubber case. Do not scratch or nick the sealing lip during installation.

Used in

Common applications for DDS
Industrial pump shaft sealing — DDS dual-lip TC seals for water and wastewater pumps
Gearbox oil retention — DDS TA seals with reinforced metal cases in smooth bore housings
Compressor crankshaft sealing — DDS single-lip SA seals for moderate pressure applications
Food processing equipment — DDS fluoroelastomer TCN seals for chemical resistance
Conveyor drive motor sealing — DDS SC seals with rubber-enclosed cases for rough bores
Hydraulic power unit sealing — DDS dual-lip TCN seals for high-temperature oil systems

DDS Products

3G Electric supplies DDS dual-lip oil seals with rubber-enclosed cases for rough bores. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
DDS Rotary Shaft Seal: 2 Lip w/Spring, TCN, Nitrile, 1.5 in ID, 2.25 in OD, 0.312 in Wd (MPN IN38.157.157.93TCN)
DDS
DDS Rotary Shaft Seal: 2 Lip w/Spring, TCN, Nitrile, 1.5 in ID, 2.25 in OD, 0.312 in Wd (MPN IN38.157.157.93TCN)
DDS Rotary Shaft Seal: 2 Lip w/Spring, TCN, Nitrile, 0.78 in ID, 1.75 in OD, 0.311 in Wd, Lip Seal (MPN IN19.844.457.9TCN)
DDS
DDS Rotary Shaft Seal: 2 Lip w/Spring, TCN, Nitrile, 0.78 in ID, 1.75 in OD, 0.311 in Wd, Lip Seal (MPN IN19.844.457.9TCN)
DDS Rotary Shaft Seal: 2 Lip w/Spring, TCN, Fluoro, 1.125 in ID, 1.75 in OD, 0.25 in Wd (MPN 31.7544.456.35TCNV)
DDS
DDS Rotary Shaft Seal: 2 Lip w/Spring, TCN, Fluoro, 1.125 in ID, 1.75 in OD, 0.25 in Wd (MPN 31.7544.456.35TCNV)
DDS Rotary Shaft Seal: 2 Lip w/Spring, TCN, Fluoro, 0.969 in ID, 2.137 in OD, 0.375 in Wd (MPN 24.6154.289.52TCNV)
DDS
DDS Rotary Shaft Seal: 2 Lip w/Spring, TCN, Fluoro, 0.969 in ID, 2.137 in OD, 0.375 in Wd (MPN 24.6154.289.52TCNV)
DDS Rotary Shaft Seal: 2 Lip w/Spring, TCN, Fluoro, 0.688 in ID, 1.125 in OD, 0.25 in Wd (MPN 17.4628.576.35TCNV)
DDS
DDS Rotary Shaft Seal: 2 Lip w/Spring, TCN, Fluoro, 0.688 in ID, 1.125 in OD, 0.25 in Wd (MPN 17.4628.576.35TCNV)
DDS Rotary Shaft Seal: 2 Lip w/Spring, TCN, Nitrile, 0.5 in ID, 0.875 in OD, 0.25 in Wd, Lip Seal (MPN IN12.722.226.35TCN)
DDS
DDS Rotary Shaft Seal: 2 Lip w/Spring, TCN, Nitrile, 0.5 in ID, 0.875 in OD, 0.25 in Wd, Lip Seal (MPN IN12.722.226.35TCN)

More from DDS

View all DDS parts
DDS Rotary Shaft Seal: 2 Lip w/Spring, TC, Fluoro, 155 mm ID, 190 mm OD, 15 mm Wd (MPN 15519015TCV)
DDS
DDS Rotary Shaft Seal: 2 Lip w/Spring, TC, Fluoro, 155 mm ID, 190 mm OD, 15 mm Wd (MPN 15519015TCV)
DDS Rotary Shaft Seal: 2 Lip w/Spring, TF, Nitrile, 265 mm ID, 290 mm OD, 16 mm Wd (MPN 26529016TF)
DDS
DDS Rotary Shaft Seal: 2 Lip w/Spring, TF, Nitrile, 265 mm ID, 290 mm OD, 16 mm Wd (MPN 26529016TF)
DDS Rotary Shaft Seal: 2 Lip w/Spring, TC, Nitrile, 265 mm ID, 290 mm OD, 16 mm Wd (MPN 26529016TC)
DDS
DDS Rotary Shaft Seal: 2 Lip w/Spring, TC, Nitrile, 265 mm ID, 290 mm OD, 16 mm Wd (MPN 26529016TC)
DDS Rotary Shaft Seal: 2 Lip w/Spring, TC, Fluoro, 85 mm ID, 110 mm OD, 13 mm Wd, 7 psi Max Pressure (MPN 8511013TC)
DDS
DDS Rotary Shaft Seal: 2 Lip w/Spring, TC, Fluoro, 85 mm ID, 110 mm OD, 13 mm Wd, 7 psi Max Pressure (MPN 8511013TC)
DDS Rotary Shaft Seal: 2 Lip w/Spring, TC, Nitrile, 2.313 in ID, 3.375 in OD, 0.375 in Wd (MPN 58.7385.729.52TC)
DDS
DDS Rotary Shaft Seal: 2 Lip w/Spring, TC, Nitrile, 2.313 in ID, 3.375 in OD, 0.375 in Wd (MPN 58.7385.729.52TC)
DDS Rotary Shaft Seal: 2 Lip w/Spring, TC, Fluoro, 3.5 in ID, 4.125 in OD, 0.313 in Wd (MPN 88.9104.777.93TCV)
DDS
DDS Rotary Shaft Seal: 2 Lip w/Spring, TC, Fluoro, 3.5 in ID, 4.125 in OD, 0.313 in Wd (MPN 88.9104.777.93TCV)
DDS Rotary Shaft Seal: 2 Lip w/Spring, TCN, Fluoro, 47 mm ID, 62 mm OD, 7 mm Wd, 50 psi Max Pressure (MPN 476207TCNV)
DDS
DDS Rotary Shaft Seal: 2 Lip w/Spring, TCN, Fluoro, 47 mm ID, 62 mm OD, 7 mm Wd, 50 psi Max Pressure (MPN 476207TCNV)
DDS Rotary Shaft Seal: 2 Lip w/Spring, TC, Fluoro, 2.75 in ID, 3.5 in OD, 0.5 in Wd (MPN 69.8588.912.7TCV)
DDS
DDS Rotary Shaft Seal: 2 Lip w/Spring, TC, Fluoro, 2.75 in ID, 3.5 in OD, 0.5 in Wd (MPN 69.8588.912.7TCV)