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SKF Rotary Shaft Seal: 2 Lip w/Spring, CRWHA1, Nitrile, 1.75 in ID, 2.875 in OD - Dual-Lip Oil Seals with Reinforced Metal Cases for Smooth Bores
SKFDual-Lip Oil Seals with Reinforced Metal Cases for Smooth Bores

SKF Rotary Shaft Seal: 2 Lip w/Spring, CRWHA1, Nitrile, 1.75 in ID, 2.875 in OD

The SKF Rotary Shaft Seal is a dual-lip oil seal with a reinforced metal case for smooth bores, featuring the CRWHA1 design. This inch-system seal has a 1.75-inch inner diameter, a 2.875-inch outer diameter, and a…

SKU 3G-OTH-123703

Brand
SKF
Item
Rotary Shaft Seal: 2 Lip w/Spring, CRWHA1, Nitrile, 1.75 in ID, 2.875 in OD
Category
Dual-Lip Oil Seals with Reinforced Metal Cases for Smooth Bores
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Technical Specifications

SKF
Manufacturer Part Number
17645
Type
CRWHA1, Nitrile
OD
2.875 in
Wd
0.375 in
ID
1.75 in
Seal Design
CRWHA1
System of Measurement
Inch
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SKF Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SKF Rotary Shaft Seal is a dual-lip oil seal with a reinforced metal case for smooth bores, featuring the CRWHA1 design. This inch-system seal has a 1.75-inch inner diameter, a 2.875-inch outer diameter, and a 0.375-inch width, constructed from nitrile material. It is identified by manufacturer part number 17645.

Frequently Asked Questions

What is the SKF CRWHA1 rotary shaft seal used for?

The SKF CRWHA1 rotary shaft seal is used to retain lubricants and exclude contaminants in rotating shaft applications. Its dual-lip design with a spring-loaded primary lip and reinforced metal case suits smooth bores in industrial gearboxes, pumps, and motors. The nitrile material handles oil and grease at moderate temperatures.

What are the specifications of the SKF 17645 rotary shaft seal?

The SKF 17645 rotary shaft seal has a 1.75-inch inner diameter, 2.875-inch outer diameter, and 0.375-inch width. It uses the CRWHA1 design with a dual-lip nitrile seal and a reinforced metal case for smooth bores. This inch-system seal is manufactured by SKF under part number 17645.

Where to buy SKF rotary shaft seals worldwide?

You can source SKF rotary shaft seals worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead times on the SKF 17645 and other CRWHA1 seals.

How to install an SKF CRWHA1 rotary shaft seal?

To install an SKF CRWHA1 seal, ensure the housing bore is smooth and clean. Lubricate the seal lips and shaft with compatible oil. Press the seal evenly into the bore using a driver tool that contacts the outer case only, avoiding damage to the sealing lips. Never hammer directly on the seal.

Used in

Common applications for SKF
Heavy machinery gearboxes — SKF spherical roller bearings (e.g., 24056 CCK30/W33) for high radial load capacity
Electric motor repair — SKF cylindrical roller bearings (e.g., NJ 307 ECP/C3) for free axial expansion
Pump shaft sealing — SKF CRWA1 rotary shaft seals (e.g., 17100) for fluid retention in rotating equipment
Conveyor system maintenance — SKF wear sleeves (e.g., 99274) to protect shafts from seal abrasion
Machine tool spindles — SKF angular contact bearings (e.g., 7413 BGBM) for axial load support in duplex sets
Industrial fan assemblies — SKF spherical roller bearings (e.g., 23044 CC/W33) for misalignment accommodation

SKF Products

3G Electric supplies SKF dual-lip oil seals with reinforced 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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