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DDS Single-Lip Oil Seal with Rubber-Enclosed Case for Rough Bores - Single-Lip Oil Seals with Rubber-Enclosed Cases for Rough Bores
DDSSingle-Lip Oil Seals with Rubber-Enclosed Cases for Rough Bores

DDS Single-Lip Oil Seal with Rubber-Enclosed Case for Rough Bores

The DDS Rotary Shaft Seal is a single-lip oil seal with a rubber-enclosed case for rough bores, featuring a spring-loaded lip. This SC-design seal has a nitrile construction with an inside diameter of 4.375 inches…

SKU 3G-OTH-125181

Also listed as: 1111213652127SC · 111 12136 5212 7SC · 111-12136-5212-7SC

Brand
DDS
Item
Single-Lip Oil Seal with Rubber-Enclosed Case for Rough Bores
Category
Single-Lip Oil Seals with Rubber-Enclosed Cases for Rough Bores
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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
111.12136.5212.7SC
Type
SC, Nitrile
OD
5.375 in
Wd
0.5 in
ID
4.375 in
Seal Design
SC
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 single-lip oil seal with a rubber-enclosed case for rough bores, featuring a spring-loaded lip. This SC-design seal has a nitrile construction with an inside diameter of 4.375 inches, an outside diameter of 5.375 inches, and a width of 0.5 inches (MPN 111.12136.5212.7SC). It is an inch-system component from DDS.

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 suits industrial equipment such as pumps, gearboxes, and motors where reliable sealing against oil leakage is required.

What are the specifications of the DDS Rotary Shaft Seal?

This DDS seal has an inside diameter of 4.375 inches, an outside diameter of 5.375 inches, and a width of 0.5 inches. It features a nitrile single lip with a spring, a rubber-enclosed SC case for rough bores, and uses the inch system. The manufacturer part number is 111.12136.5212.7SC.

Where to buy the DDS Rotary Shaft Seal 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 on this DDS seal.

How to install the DDS Rotary Shaft Seal?

To install this DDS seal, ensure the housing bore is clean and free of burrs. Press the seal squarely into the bore using a suitable driver that contacts the outer case only. Lubricate the lip lightly before installation. Avoid damaging the sealing lip during assembly for optimal performance.

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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Single-lip oil seal with a rubber-enclosed case designed for rough bore applications. Features a spring-loaded SC design and nitrile lip. Metric dimensions: 112 mm inner diameter, 140 mm outer diameter, 13 mm width. Used in rotating equipment such as pumps, gearboxes, and motors to retain lubricants and exclude contaminants
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Single-lip oil seal with a rubber-enclosed case designed for rough bore applications. Features a spring-loaded SC design and nitrile lip. Metric dimensions: 112 mm inner diameter, 140 mm outer diameter, 13 mm width. Used in rotating equipment such as pumps, gearboxes, and motors to retain lubricants and exclude contaminants
This single-lip oil seal features a rubber-enclosed case designed for rough bores. It includes a spring-loaded lip to provide effective sealing in rotating shaft applications such as gearboxes, pumps, and motors. Constructed from nitrile, it has an inner diameter of 114 mm, outer diameter of 140 mm, and width of 13 mm
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This single-lip oil seal features a rubber-enclosed case designed for rough bores. It includes a spring-loaded lip to provide effective sealing in rotating shaft applications such as gearboxes, pumps, and motors. Constructed from nitrile, it has an inner diameter of 114 mm, outer diameter of 140 mm, and width of 13 mm
DDS Rotary Shaft Seal: 1 Lip w/Spring, SC, Nitrile, 118 mm ID, 140 mm OD, 13 mm Wd (MPN 11814013SC)
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This single-lip oil seal features a rubber-enclosed case for installation in rough bore housings. The spring-loaded lip, made of nitrile, retains lubricants and excludes contaminants in rotating shaft applications such as pumps, gearboxes, and motors. Inside diameter 4.938 in, outside diameter 6 in, width 0.5 in. Inch system
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This single-lip oil seal features a rubber-enclosed case for installation in rough bore housings. The spring-loaded lip, made of nitrile, retains lubricants and excludes contaminants in rotating shaft applications such as pumps, gearboxes, and motors. Inside diameter 4.938 in, outside diameter 6 in, width 0.5 in. Inch system
This single-lip oil seal features a rubber-enclosed case designed for rough bores, with a spring-loaded lip for moderate-pressure sealing. Suitable for use in rotating equipment such as pumps, gearboxes, and motors to prevent lubricant leakage and contaminant ingress. Made of nitrile material, it has an inner diameter of 3.313 inches, outer diameter of 4.375 inches, and width of 0.5 inches
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This single-lip oil seal features a rubber-enclosed case designed for rough bores, with a spring-loaded lip for moderate-pressure sealing. Suitable for use in rotating equipment such as pumps, gearboxes, and motors to prevent lubricant leakage and contaminant ingress. Made of nitrile material, it has an inner diameter of 3.313 inches, outer diameter of 4.375 inches, and width of 0.5 inches
This single-lip oil seal features a rubber-enclosed case designed for rough bore applications. It is spring-loaded and made of nitrile material. Typical uses include sealing rotating shafts in pumps, gearboxes, and motors to prevent fluid leakage and contaminant ingress
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This single-lip oil seal features a rubber-enclosed case designed for rough bore applications. It is spring-loaded and made of nitrile material. Typical uses include sealing rotating shafts in pumps, gearboxes, and motors to prevent fluid leakage and contaminant ingress

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This single-lip oil seal features a rubber-enclosed case designed for rough bores. It has a spring-loaded SC design and is made of nitrile material. With an inside diameter of 2.188 inches, outside diameter of 2.875 inches, and width of 0.375 inches, it is used to seal rotating shafts in equipment such as pumps, gearboxes, and motors, preventing lubricant leakage and contaminant ingress
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DDS Rotary Shaft Seal: 1 Lip w/Spring, SC, Nitrile, 73 mm ID, 95 mm OD, 10 mm Wd, 7 psi Max Pressure (MPN 739510SC)
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