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DDS Single-Lip Oil Seal with Reinforced Metal Case - Single-Lip Oil Seals with Reinforced Metal Cases for Smooth Bores
DDSSingle-Lip Oil Seals with Reinforced Metal Cases for Smooth Bores

DDS Single-Lip Oil Seal with Reinforced Metal Case

The DDS Rotary Shaft Seal is a single-lip oil seal with a reinforced metal case, designed for smooth bores. This SA-design seal features a nitrile lip with spring, measuring 66 mm ID, 90 mm OD, and 13 mm width, with…

SKU 3G-OTH-123093

Also listed as: 669013 SA · 669013-SA

Brand
DDS
Item
Single-Lip Oil Seal with Reinforced Metal Case
Part Number
669013SA
Category
Single-Lip Oil Seals with Reinforced Metal Cases for Smooth Bores
Available to Order
Also known as:669013SADDS
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Technical Specifications

DDS
Manufacturer Part Number
669013SA
Type
SA, Nitrile
OD
90 mm
Wd
13 mm
ID
66 mm
Seal Design
SA
Max Pressure
7 psi
System of Measurement
Metric

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

Product Description

The DDS Rotary Shaft Seal is a single-lip oil seal with a reinforced metal case, designed for smooth bores. This SA-design seal features a nitrile lip with spring, measuring 66 mm ID, 90 mm OD, and 13 mm width, with a maximum pressure rating of 7 psi. It is a metric component, referenced under MPN 669013SA.

Frequently Asked Questions

What is a DDS Rotary Shaft Seal used for?

The DDS Rotary Shaft Seal prevents fluid leakage and contaminant ingress in rotating shafts. It is commonly used in pumps, gearboxes, and motors across industrial applications. The single-lip design with spring maintains sealing contact on smooth bores, handling pressures up to 7 psi.

What are the specifications of the DDS 669013SA seal?

This DDS seal has a 66 mm inner diameter, 90 mm outer diameter, and 13 mm width. It features a nitrile lip with spring, SA seal design, and a maximum pressure rating of 7 psi. It is a metric component with a reinforced metal case for smooth bore installations.

Where to buy DDS rotary shaft seals worldwide?

3G Electric supplies DDS rotary shaft seals worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver genuine components like the 669013SA seal to your facility. Contact us for pricing and lead time on your order.

How to install a DDS single-lip oil seal?

Ensure the bore is clean and smooth. Lubricate the seal lip and shaft before installation. Use a press or driver tool to seat the seal squarely, applying force only on the outer case. Avoid damaging the nitrile lip or spring. Follow manufacturer guidelines for proper fit and pressure limits.

Used in

Common applications for DDS
Pump shaft sealing — DDS dual-lip TC-type seals in nitrile or fluoro for rough bore housings
Gearbox input and output shafts — DDS TF-type spring-loaded seals to retain lubricant and exclude dust
Electric motor bearing housings — DDS single-lip or dual-lip seals sized by shaft and bore dimensions
Rotating equipment maintenance — DDS oil seals identified by MPN or measured ID, OD, and width for replacement
Process industry mixers and agitators — DDS fluoro seals for chemical and temperature resistance
Mobile and off-highway drivetrains — DDS nitrile seals for moderate-temperature grease and oil retention
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DDS Products

3G Electric supplies DDS single-lip oil seals with reinforced 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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