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DDS 49.2179.3712.7SB Single-Lip Oil Seal with Metal Case - Single-Lip Oil Seals with Metal Cases for Smooth Bores
DDSSingle-Lip Oil Seals with Metal Cases for Smooth Bores

DDS 49.2179.3712.7SB Single-Lip Oil Seal with Metal Case

The DDS Rotary Shaft Seal is a single-lip oil seal with a metal case, designed for smooth bores. This SB-design seal features a nitrile lip with a spring, and is supplied in inch dimensions with a 1.937 in ID, 3.125…

SKU 3G-OTH-124885

Also listed as: 49217937127SB · 49 2179 3712 7SB · 49-2179-3712-7SB

Brand
DDS
Item
49.2179.3712.7SB Single-Lip Oil Seal with Metal Case
Part Number
49.2179.3712.7SB
Category
Single-Lip Oil Seals with Metal Cases for Smooth Bores
Available to Order
Also known as:49.2179.3712.7SBDDS
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Technical Specifications

DDS
Manufacturer Part Number
49.2179.3712.7SB
Type
SB, Nitrile
OD
3.125 in
Wd
0.276 in
ID
1.937 in
Seal Design
SB
System of Measurement
Inch

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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 metal case, designed for smooth bores. This SB-design seal features a nitrile lip with a spring, and is supplied in inch dimensions with a 1.937 in ID, 3.125 in OD, and 0.276 in width (MPN 49.2179.3712.7SB).

Frequently Asked Questions

What is the DDS Rotary Shaft Seal used for?

The DDS Rotary Shaft Seal is used to retain lubricants and exclude contaminants in rotating shaft applications. It is ideal for industrial gearboxes, pumps, and motors where a single-lip seal with a metal case is required for smooth bore housings.

What are the specifications of the DDS Rotary Shaft Seal 49.2179.3712.7SB?

This DDS seal has a 1.937 in ID, 3.125 in OD, and 0.276 in width. It features a nitrile lip with a spring, SB seal design, and a metal case for smooth bores. The system of measurement is inch, and the manufacturer part number is 49.2179.3712.7SB.

Where to buy the DDS Rotary Shaft Seal in worldwide?

You can source the DDS Rotary Shaft Seal through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time on this seal.

How to install the DDS Rotary Shaft Seal?

To install the DDS Rotary Shaft Seal, ensure the housing bore is clean and smooth. Press the seal evenly into the bore using a suitable driver that contacts the metal case only. Lubricate the lip lightly before installation to prevent dry start damage.

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 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 single-lip oil seal features a metal case for installation in smooth bores. The nitrile lip with spring provides effective sealing in rotating shaft applications such as gearboxes, pumps, and motors. It has a 52 mm inner diameter, 68 mm outer diameter, 8 mm width, and a maximum pressure rating of 7 psi
DDS
This single-lip oil seal features a metal case for installation in smooth bores. The nitrile lip with spring provides effective sealing in rotating shaft applications such as gearboxes, pumps, and motors. It has a 52 mm inner diameter, 68 mm outer diameter, 8 mm width, and a maximum pressure rating of 7 psi

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