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DDS Rotary Shaft Seal: 1 Lip w/Spring, SB, Nitrile, 2.75 in ID, 3.875 in OD - Single-Lip Oil Seals with Metal Cases for Smooth Bores
DDSSingle-Lip Oil Seals with Metal Cases for Smooth Bores

DDS Rotary Shaft Seal: 1 Lip w/Spring, SB, Nitrile, 2.75 in ID, 3.875 in OD

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 has an inside diameter of 2.75 inches, an outside…

SKU 3G-OTH-124109

Also listed as: 698598421191SB · 69 8598 4211 91SB · 69-8598-4211-91SB

Brand
DDS
Item
Rotary Shaft Seal: 1 Lip w/Spring, SB, Nitrile, 2.75 in ID, 3.875 in OD
Category
Single-Lip Oil Seals with Metal Cases for Smooth Bores
Available to Order
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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
69.8598.4211.91SB
Type
SB, Nitrile
OD
3.875 in
Wd
0.469 in
ID
2.75 in
Seal Design
SB
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 metal case, designed for smooth bores. This SB-design seal features a nitrile lip with a spring, and has an inside diameter of 2.75 inches, an outside diameter of 3.875 inches, and a width of 0.469 inches (MPN 69.8598.4211.91SB). It is an inch-system component from the DDS brand.

Frequently Asked Questions

What is a DDS rotary shaft seal used for?

A DDS rotary shaft seal prevents lubricant leakage and contaminant ingress in rotating equipment such as pumps, gearboxes, and motors. This single-lip SB-design seal with a nitrile lip and spring is suited for smooth bores in industrial machinery.

What are the specifications of the DDS rotary shaft seal 69.8598.4211.91SB?

This DDS rotary shaft seal has an inside diameter of 2.75 in, an outside diameter of 3.875 in, and a width of 0.469 in. It is an inch-system, single-lip SB-design seal with a nitrile lip and spring, featuring a metal case for smooth bores.

Where to buy DDS rotary shaft seals worldwide?

3G Electric supplies DDS rotary shaft seals worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source and deliver genuine DDS seals like the 69.8598.4211.91SB to any location. Contact us for availability and delivery to your region.

How to install a DDS rotary shaft seal?

To install a DDS rotary shaft seal, ensure the bore is smooth and clean, then press the seal evenly into the housing using a suitable driver that contacts the metal case. Lubricate the seal lip before installation to prevent damage. Avoid scratching the sealing surface.

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 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
This single-lip oil seal features a nitrile lip with a spring and a metal case for smooth bores. It is designed to retain oil and exclude contaminants in rotating shaft applications such as pumps, gearboxes, and motors. Inside diameter 3.5 in, outside diameter 4.5 in, width 0.276 in. Inch system
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This single-lip oil seal features a nitrile lip with a spring and a metal case for smooth bores. It is designed to retain oil and exclude contaminants in rotating shaft applications such as pumps, gearboxes, and motors. Inside diameter 3.5 in, outside diameter 4.5 in, width 0.276 in. Inch system
This single-lip oil seal features a metal case for installation in smooth bores. The SB-design seal has a nitrile lip with a spring, providing effective sealing around rotating shafts. It is commonly used in pumps, gearboxes, and motors to retain oil or grease and exclude contaminants. Inside diameter 1.563 in, outside diameter 2.25 in, width 0.313 in
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This single-lip oil seal features a metal case for installation in smooth bores. The SB-design seal has a nitrile lip with a spring, providing effective sealing around rotating shafts. It is commonly used in pumps, gearboxes, and motors to retain oil or grease and exclude contaminants. Inside diameter 1.563 in, outside diameter 2.25 in, width 0.313 in
This single-lip oil seal features a metal case for installation in smooth bores. The SB design includes a nitrile lip with a spring for effective sealing on rotating shafts. It is commonly used in pumps, gearboxes, and motors to retain lubricants and exclude contaminants
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This single-lip oil seal features a metal case for installation in smooth bores. The SB design includes a nitrile lip with a spring for effective sealing on rotating shafts. It is commonly used in pumps, gearboxes, and motors to retain lubricants and exclude contaminants
DDS Rotary Shaft Seal: 1 Lip w/Spring, SB, Nitrile, 2.625 in ID, 3.75 in OD, 0.375 in Wd (MPN 66.6795.259.52SB)
DDS
DDS Rotary Shaft Seal: 1 Lip w/Spring, SB, Nitrile, 2.625 in ID, 3.75 in OD, 0.375 in Wd (MPN 66.6795.259.52SB)
Single-lip oil seal with metal case for smooth bores. Features a nitrile lip with spring, SB design. Used to retain lubricants and exclude contaminants in rotating shaft applications such as pumps, gearboxes, and motors. Inch dimensions: 4.75 in ID, 5.75 in OD, 0.5 in width
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Single-lip oil seal with metal case for smooth bores. Features a nitrile lip with spring, SB design. Used to retain lubricants and exclude contaminants in rotating shaft applications such as pumps, gearboxes, and motors. Inch dimensions: 4.75 in ID, 5.75 in OD, 0.5 in width
This DDS single-lip oil seal features a nitrile lip with a spring and a metal case, designed for smooth bores. It has an inner diameter of 41.27 mm, outer diameter of 63.5 mm, and width of 7 mm. The SB seal design is suitable for retaining lubricants and excluding contaminants in rotating shaft applications such as gearboxes, pumps, and motors
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This DDS single-lip oil seal features a nitrile lip with a spring and a metal case, designed for smooth bores. It has an inner diameter of 41.27 mm, outer diameter of 63.5 mm, and width of 7 mm. The SB seal design is suitable for retaining lubricants and excluding contaminants in rotating shaft applications such as gearboxes, pumps, and motors

More from DDS

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This DDS single-lip oil seal features a nitrile lip with spring and a metal case for smooth bores. Designed for inch-system applications, it measures 0.937 in inner diameter, 1.625 in outer diameter, and 0.25 in width. The SB seal design provides effective oil retention in rotating equipment such as pumps and gearboxes
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This DDS single-lip oil seal features a nitrile lip with spring and a metal case for smooth bores. Designed for inch-system applications, it measures 0.937 in inner diameter, 1.625 in outer diameter, and 0.25 in width. The SB seal design provides effective oil retention in rotating equipment such as pumps and gearboxes
Single-lip oil seal with a metal case for smooth bores. Features a nitrile lip with spring, SB design. Common in rotating shaft applications such as gearboxes and pumps. Dimensions: 460 mm inner diameter, 500 mm outer diameter, 20 mm width
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Single-lip oil seal with a metal case for smooth bores. Features a nitrile lip with spring, SB design. Common in rotating shaft applications such as gearboxes and pumps. Dimensions: 460 mm inner diameter, 500 mm outer diameter, 20 mm width
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This single-lip oil seal features a metal case for smooth bores and a spring-loaded lip. Made of nitrile rubber, it has an inner diameter of 350 mm, outer diameter of 380 mm, and width of 16 mm. It is used to retain lubricants and exclude contaminants in rotating shaft applications such as industrial gearboxes, pumps, and motors
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This single-lip oil seal features a metal case for smooth bores and a spring-loaded lip. Made of nitrile rubber, it has an inner diameter of 350 mm, outer diameter of 380 mm, and width of 16 mm. It is used to retain lubricants and exclude contaminants in rotating shaft applications such as industrial gearboxes, pumps, and motors
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This single-lip oil seal features a metal case for installation in smooth bores. The SB-design seal has a nitrile lip with a spring, measuring 68 mm inside diameter, 85 mm outside diameter, and 10 mm width. It is rated for a maximum pressure of 7 psi. Commonly used in rotating shaft applications such as gearboxes, pumps, and motors to retain lubricants and exclude contaminants
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This single-lip oil seal features a metal case for installation in smooth bores. The SB-design seal has a nitrile lip with a spring, measuring 68 mm inside diameter, 85 mm outside diameter, and 10 mm width. It is rated for a maximum pressure of 7 psi. Commonly used in rotating shaft applications such as gearboxes, pumps, and motors to retain lubricants and exclude contaminants
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Metric single-lip oil seal with a metal case for smooth bores. Features a nitrile lip with a spring. Commonly used in rotating shaft applications to retain lubricants and exclude contaminants in equipment such as pumps, gearboxes, and motors
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