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DDS Rotary Shaft Seal: 2 Lip w/Spring, TB, Nitrile, 1.125 in ID, 1.979 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, 1.125 in ID, 1.979 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 and a garter spring. This inch-system seal has a 1.125 in ID, 1.979 in OD, and 0.25 in width…

SKU 3G-OTH-124166

Also listed as: IN31755027635TB · IN31 7550 276 35TB · IN31-7550-276-35TB

Brand
DDS
Item
Rotary Shaft Seal: 2 Lip w/Spring, TB, Nitrile, 1.125 in ID, 1.979 in OD
Category
Dual-Lip Oil Seals with Metal Cases for Smooth Bores
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

DDS
Manufacturer Part Number
IN31.7550.276.35TB
Type
TB, Nitrile, Garter
OD
1.979 in
Wd
0.25 in
ID
1.125 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 and a garter spring. This inch-system seal has a 1.125 in ID, 1.979 in OD, and 0.25 in width, constructed from nitrile material (MPN IN31.7550.276.35TB). It is designed as a 2-lip seal with a spring for enhanced sealing performance.

Frequently Asked Questions

What is a DDS rotary shaft seal used for?

A DDS rotary shaft seal prevents lubricant leakage and blocks contaminants in rotating equipment such as pumps, gearboxes, and motors. Its dual-lip design with a garter spring provides reliable sealing in industrial applications requiring inch-system dimensions.

What are the specifications of the DDS rotary shaft seal IN31.7550.276.35TB?

This DDS seal has a 1.125 in ID, 1.979 in OD, and 0.25 in width. It features a TB seal design, dual lips with a garter spring, and a nitrile material construction. It is an inch-system, metal-cased seal for smooth bores.

Where to buy DDS rotary shaft seals worldwide?

3G Electric supplies DDS rotary shaft seals worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source and deliver genuine DDS seals like the IN31.7550.276.35TB to support your maintenance and repair needs.

How to install a DDS dual-lip oil seal with a metal case?

Ensure the bore is clean and smooth. Lubricate the seal lips lightly before pressing the metal case squarely into the bore using a seal driver or socket. Avoid damaging the sealing lips or spring. Follow manufacturer guidelines for shaft speed and alignment.

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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This DDS dual-lip oil seal features a metal case for installation in smooth bores. It has a spring-loaded TB seal design with two nitrile lips, rated for a maximum pressure of 7 psi. The seal is used to retain lubricants and exclude contaminants in rotating shaft applications such as gearboxes, pumps, and industrial machinery
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Dual-lip oil seal with a metal case for smooth bores. Features a spring-loaded TB seal design with two sealing lips. Constructed from nitrile material. Suitable for sealing rotating shafts in applications such as gearboxes, pumps, and motors where lubricant retention and contaminant exclusion are required
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This dual-lip oil seal features a metal case for installation in smooth bores. It has a spring-loaded two-lip design made of nitrile rubber, with a TB seal configuration. The seal is rated for a maximum pressure of 7 psi and is commonly used to retain lubricants and exclude contaminants in rotating shaft applications such as gearboxes and pumps