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DDS Rotary Shaft Seal: 1 Lip w/Spring, SC, Nitrile, 5.438 in ID, 6.5 in OD - Single-Lip Oil Seals with Rubber-Enclosed Cases for Rough Bores
DDSSingle-Lip Oil Seals with Rubber-Enclosed Cases for Rough Bores

DDS Rotary Shaft Seal: 1 Lip w/Spring, SC, Nitrile, 5.438 in ID, 6.5 in OD

The DDS Rotary Shaft Seal is a single-lip oil seal with a rubber-enclosed case designed for rough bores. This SC-design seal features a spring-loaded lip and is constructed from nitrile, with an inside diameter of…

SKU 3G-OTH-125066

Brand
DDS
Item
Rotary Shaft Seal: 1 Lip w/Spring, SC, Nitrile, 5.438 in ID, 6.5 in OD
Category
Single-Lip Oil Seals with Rubber-Enclosed Cases for Rough Bores
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Technical Specifications

DDS
Manufacturer Part Number
138.12165.112.7SC
Type
SC, Nitrile
OD
6.5 in
Wd
0.5 in
ID
5.438 in
Seal Design
SC
System of Measurement
Inch
View Full Spec Sheet

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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 rubber-enclosed case designed for rough bores. This SC-design seal features a spring-loaded lip and is constructed from nitrile, with an inside diameter of 5.438 inches, an outside diameter of 6.5 inches, and a width of 0.5 inches (MPN 138.12165.112.7SC).

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, particularly in rough bore housings. Its single-lip, spring-loaded design with a rubber-enclosed case makes it suitable for industrial gearboxes, pumps, and motors where reliable sealing is required.

What are the specifications of the DDS Rotary Shaft Seal 138.12165.112.7SC?

This DDS Rotary Shaft Seal has an inside diameter of 5.438 inches, an outside diameter of 6.5 inches, and a width of 0.5 inches. It features an SC seal design with a single lip, a spring, and a nitrile rubber-enclosed case. The system of measurement is inch, and the manufacturer part number is 138.12165.112.7SC.

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 destinations. Contact us for availability and lead time; we provide competitive pricing and reliable sourcing for this DDS seal.

How to install the DDS Rotary Shaft Seal?

To install the DDS Rotary Shaft Seal, ensure the bore and shaft are clean and free of burrs. Use a seal driver or press to apply even pressure on the outer case, avoiding damage to the nitrile lip. Lubricate the lip lightly before installation. Never hammer directly on the seal; this can distort the spring-loaded lip.

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 single-lip oil seals with rubber-enclosed cases for rough bores. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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