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DDS Single-Lip Oil Seal with Reinforced Metal Case for Smooth Bore - 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 for Smooth Bore

The DDS Rotary Shaft Seal: 1 Lip w/Spring is a single-lip oil seal with a reinforced metal case designed for smooth bores. This metric SA-design seal has a 400 mm inner diameter, 440 mm outer diameter, and 20 mm…

SKU 3G-OTH-122739

Also listed as: 40044020 SAV · 40044020-SAV

Brand
DDS
Item
Single-Lip Oil Seal with Reinforced Metal Case for Smooth Bore
Part Number
40044020SAV
Category
Single-Lip Oil Seals with Reinforced Metal Cases for Smooth Bores
Available to Order
Also known as:40044020SAVDDS
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Technical Specifications

DDS
Manufacturer Part Number
40044020SAV
Type
SA, Fluoro
OD
440 mm
Wd
20 mm
ID
400 mm
Seal Design
SA
System of Measurement
Metric

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

Product Description

The DDS Rotary Shaft Seal: 1 Lip w/Spring is a single-lip oil seal with a reinforced metal case designed for smooth bores. This metric SA-design seal has a 400 mm inner diameter, 440 mm outer diameter, and 20 mm width, and is made of fluoro material (MPN 40044020SAV).

Frequently Asked Questions

What is a DDS rotary shaft seal used for?

A DDS rotary shaft seal prevents fluid leakage and contaminant ingress in rotating equipment such as pumps, gearboxes, and motors. This single-lip fluoro seal with spring is suited for demanding industrial applications requiring reliable sealing at the shaft-bore interface.

What are the specifications of the DDS 40044020SAV seal?

The DDS 40044020SAV is a metric SA-design rotary shaft seal with a 400 mm inner diameter, 440 mm outer diameter, and 20 mm width. It features a single lip with spring, a reinforced metal case for smooth bores, and is made of fluoro material.

Where to buy DDS rotary shaft seals worldwide?

3G Electric supplies DDS rotary shaft seals like the 40044020SAV to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive genuine industrial sealing components for your rotating equipment needs.

How to install a DDS rotary shaft seal?

Install the DDS seal with the lip facing the fluid side, using a proper installation tool to avoid damaging the sealing edge. Ensure the bore is smooth, clean, and lubricated. Press the seal evenly into the housing until it seats flush against the bore shoulder.

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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