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DDS Rotary Shaft Seal: 1 Lip w/Spring, SB, Nitrile, 3.5 in ID, 4.5 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, 3.5 in ID, 4.5 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 3.5 inches, an outside diameter…

SKU 3G-OTH-123977

Brand
DDS
Item
Rotary Shaft Seal: 1 Lip w/Spring, SB, Nitrile, 3.5 in ID, 4.5 in OD
Category
Single-Lip Oil Seals with Metal Cases for Smooth Bores
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Technical Specifications

DDS
Manufacturer Part Number
88.9114.312.7SB
Type
SB, Nitrile
OD
4.5 in
Wd
0.276 in
ID
3.5 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 has an inside diameter of 3.5 inches, an outside diameter of 4.5 inches, and a width of 0.276 inches (MPN 88.9114.312.7SB). It is an inch-system component from DDS.

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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