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DDS Rotary Shaft Seal: 1 Lip w/Spring, SF, Nitrile, 1.75 in ID, 2.5 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, SF, Nitrile, 1.75 in ID, 2.5 in OD

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 SF-design seal has a 1.75-inch inner diameter, a 2.5-inch outer diameter, and a…

SKU 3G-OTH-122773

Also listed as: 4445635952SF · 44 4563 59 52SF · 44-4563-59-52SF

Brand
DDS
Item
Rotary Shaft Seal: 1 Lip w/Spring, SF, Nitrile, 1.75 in ID, 2.5 in OD
Category
Single-Lip Oil Seals with Rubber-Enclosed Cases for Rough Bores
Available to Order
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

DDS
Manufacturer Part Number
44.4563.59.52SF
Type
SF, Nitrile
OD
2.5 in
Wd
0.375 in
ID
1.75 in
Seal Design
SF
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 SF-design seal has a 1.75-inch inner diameter, a 2.5-inch outer diameter, and a 0.375-inch width, made of nitrile material. It is an inch-system component identified by manufacturer part number 44.4563.59.52SF.

Frequently Asked Questions

What is the DDS Rotary Shaft Seal used for?

The DDS Rotary Shaft Seal is used to prevent oil leakage and exclude contaminants in rotating shaft applications, such as gearboxes, pumps, and motors. Its single-lip design with a spring-loaded lip and rubber-enclosed case is ideal for rough bores where bore surface finish is poor.

What are the specifications of the DDS Rotary Shaft Seal?

This DDS Rotary Shaft Seal has a 1.75-inch inner diameter, a 2.5-inch outer diameter, and a 0.375-inch width. It features an SF seal design, a single lip with a spring, and is made of nitrile material. The system of measurement is inch, and the manufacturer part number is 44.4563.59.52SF.

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 inch-system, SF-design seal.

How to install the DDS Rotary Shaft Seal?

To install the DDS Rotary Shaft Seal, ensure the housing bore is clean and free of burrs. Use a seal driver or press to apply even pressure on the outer diameter, seating the seal squarely. Lubricate the lip with compatible oil before installation to prevent dry start damage.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
DDS Rotary Shaft Seal: 1 Lip w/Spring, SF, Nitrile, 350 mm ID, 390 mm OD, 18 mm Wd (MPN 35039018SF)
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DDS Rotary Shaft Seal: 1 Lip w/Spring, SF, Nitrile, 350 mm ID, 390 mm OD, 18 mm Wd (MPN 35039018SF)
DDS Rotary Shaft Seal: 1 Lip w/Spring, SF, Nitrile, 440 mm ID, 480 mm OD, 20 mm Wd (MPN 44048020SF)
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DDS Rotary Shaft Seal: 1 Lip w/Spring, SF, Nitrile, 440 mm ID, 480 mm OD, 20 mm Wd (MPN 44048020SF)
DDS Rotary Shaft Seal: 1 Lip w/Spring, SF, Nitrile, 43 mm ID, 60 mm OD, 10 mm Wd, 7 psi Max Pressure (MPN 436010SF)
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DDS Rotary Shaft Seal: 1 Lip w/Spring, SF, Nitrile, 43 mm ID, 60 mm OD, 10 mm Wd, 7 psi Max Pressure (MPN 436010SF)
DDS Rotary Shaft Seal: 1 Lip w/Spring, SF, Nitrile, 380 mm ID, 420 mm OD, 20 mm Wd (MPN 38042020SF)
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DDS Rotary Shaft Seal: 1 Lip w/Spring, SF, Nitrile, 380 mm ID, 420 mm OD, 20 mm Wd (MPN 38042020SF)
DDS Rotary Shaft Seal: 1 Lip w/Spring, SF, Nitrile, 2.5 in ID, 3.25 in OD, 0.375 in Wd (MPN 63.582.559.52SF)
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DDS Rotary Shaft Seal: 1 Lip w/Spring, SF, Nitrile, 2.5 in ID, 3.25 in OD, 0.375 in Wd (MPN 63.582.559.52SF)
DDS Rotary Shaft Seal: 1 Lip w/Spring, SF, Nitrile, 400 mm ID, 440 mm OD, 20 mm Wd (MPN 40044020SF)
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DDS Rotary Shaft Seal: 1 Lip w/Spring, SF, Nitrile, 400 mm ID, 440 mm OD, 20 mm Wd (MPN 40044020SF)

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