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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

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
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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
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 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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