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DDS Rotary Shaft Seal: 2 Lip w/Spring, TB, Nitrile, 1.25 in ID, 1.75 in OD - Dual-Lip Oil Seals with Metal Cases for Smooth Bores
DDSDual-Lip Oil Seals with Metal Cases for Smooth Bores

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

The DDS Rotary Shaft Seal is a dual-lip oil seal with a metal case for smooth bores, featuring a TB seal design. This inch-system seal has a 2-lip design with a spring, constructed from nitrile, with a 1.25-inch…

SKU 3G-OTH-124048

Also listed as: IN31754445635TB · IN31 7544 456 35TB · IN31-7544-456-35TB

Brand
DDS
Item
Rotary Shaft Seal: 2 Lip w/Spring, TB, Nitrile, 1.25 in ID, 1.75 in OD
Category
Dual-Lip Oil Seals with Metal Cases for Smooth Bores
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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
IN31.7544.456.35TB
Type
TB, Nitrile
OD
1.75 in
Wd
0.25 in
ID
1.25 in
Seal Design
TB
System of Measurement
Inch

Technical Documents

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

Product Description

The DDS Rotary Shaft Seal is a dual-lip oil seal with a metal case for smooth bores, featuring a TB seal design. This inch-system seal has a 2-lip design with a spring, constructed from nitrile, with a 1.25-inch inner diameter, 1.75-inch outer diameter, and 0.25-inch width (MPN IN31.7544.456.35TB).

Frequently Asked Questions

What is the DDS Rotary Shaft Seal used for?

The DDS Rotary Shaft Seal is a dual-lip oil seal with a metal case designed for smooth bores. It prevents lubricant leakage and contaminant ingress in rotating shafts, commonly used in industrial gearboxes, pumps, and motors where inch-system seals are required.

What are the specifications of the DDS Rotary Shaft Seal?

This DDS seal has a TB design with two lips and a spring, made of nitrile rubber. It measures 1.25 in inner diameter, 1.75 in outer diameter, and 0.25 in width. The system of measurement is inch, and the manufacturer part number is IN31.7544.456.35TB.

Where to buy the DDS Rotary Shaft Seal worldwide?

3G Electric supplies the DDS Rotary Shaft Seal worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this seal and arrange international shipping.

How to install the DDS Rotary Shaft Seal?

To install the DDS Rotary Shaft Seal, ensure the bore is smooth and clean. Press the metal-case seal evenly into the housing using a suitable driver, avoiding damage to the nitrile lips. Lubricate the shaft and seal lips before installation to prevent dry start.

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 metal cases for smooth bores. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
DDS Rotary Shaft Seal: 2 Lip w/Spring, TB, Nitrile, 1.062 in ID, 1.666 in OD, 0.312 in Wd (MPN IN26.9842.867.93TB)
DDS
DDS Rotary Shaft Seal: 2 Lip w/Spring, TB, Nitrile, 1.062 in ID, 1.666 in OD, 0.312 in Wd (MPN IN26.9842.867.93TB)
DDS Rotary Shaft Seal: 2 Lip w/Spring, TB, Nitrile, 340 mm ID, 400 mm OD, 28 mm Wd (MPN 34040028TB)
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DDS Rotary Shaft Seal: 2 Lip w/Spring, TB, Nitrile, 340 mm ID, 400 mm OD, 28 mm Wd (MPN 34040028TB)
DDS Rotary Shaft Seal: 2 Lip w/Spring, TB, Nitrile, 28 mm ID, 47 mm OD, 10 mm Wd, 7 psi Max Pressure (MPN 284710TB)
DDS
DDS Rotary Shaft Seal: 2 Lip w/Spring, TB, Nitrile, 28 mm ID, 47 mm OD, 10 mm Wd, 7 psi Max Pressure (MPN 284710TB)
DDS Rotary Shaft Seal: 2 Lip w/Spring, TB, Nitrile, 56 mm ID, 72 mm OD, 8 mm Wd, 7 psi Max Pressure (MPN 567208TB)
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DDS Rotary Shaft Seal: 2 Lip w/Spring, TB, Nitrile, 56 mm ID, 72 mm OD, 8 mm Wd, 7 psi Max Pressure (MPN 567208TB)
DDS Rotary Shaft Seal: 2 Lip w/Spring, TB, Nitrile, 47 mm ID, 68 mm OD, 13 mm Wd, 7 psi Max Pressure (MPN 476813TB)
DDS
DDS Rotary Shaft Seal: 2 Lip w/Spring, TB, Nitrile, 47 mm ID, 68 mm OD, 13 mm Wd, 7 psi Max Pressure (MPN 476813TB)
DDS Rotary Shaft Seal: 2 Lip w/Spring, TB, Nitrile, 230 mm ID, 260 mm OD, 20 mm Wd (MPN 23026020TB)
DDS
DDS Rotary Shaft Seal: 2 Lip w/Spring, TB, Nitrile, 230 mm ID, 260 mm OD, 20 mm Wd (MPN 23026020TB)

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