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SKF Rotary Shaft Seal: 2 Lip w/Spring, CRWA1, Nitrile, 3.375 in ID, 4.376 in OD - Dual-Lip Oil Seals with Metal Cases for Smooth Bores
SKFDual-Lip Oil Seals with Metal Cases for Smooth Bores

SKF Rotary Shaft Seal: 2 Lip w/Spring, CRWA1, Nitrile, 3.375 in ID, 4.376 in OD

The SKF Rotary Shaft Seal is a dual-lip oil seal with a metal case for smooth bores, featuring a CRWA1 seal design and a spring-loaded lip. This inch-system seal has a 3.375-inch inner diameter, a 4.376-inch outer…

SKU 3G-OTH-123919

Brand
SKF
Item
Rotary Shaft Seal: 2 Lip w/Spring, CRWA1, Nitrile, 3.375 in ID, 4.376 in OD
Category
Dual-Lip Oil Seals with Metal Cases for Smooth Bores
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Technical Specifications

SKF
Manufacturer Part Number
33701
Type
CRWA1, Nitrile
OD
4.376 in
Wd
0.375 in
ID
3.375 in
Seal Design
CRWA1
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 metal case for smooth bores, featuring a CRWA1 seal design and a spring-loaded lip. This inch-system seal has a 3.375-inch inner diameter, a 4.376-inch outer diameter, and a 0.375-inch width, constructed from nitrile material (MPN 33701). It is designed for industrial applications requiring a two-lip configuration with a spring.

Frequently Asked Questions

What is the SKF CRWA1 rotary shaft seal used for?

The SKF CRWA1 rotary shaft seal is a dual-lip oil seal with a spring-loaded lip, designed to retain lubricants and exclude contaminants in rotating shaft applications. It is commonly used in industrial machinery, gearboxes, pumps, and motors where a reliable seal against oil leakage and dirt ingress is required.

What are the specifications of the SKF 33701 rotary shaft seal?

The SKF 33701 rotary shaft seal has a 3.375-inch inner diameter, 4.376-inch outer diameter, and 0.375-inch width. It features a CRWA1 seal design with two lips and a spring, made from nitrile rubber. This inch-system seal includes a metal case for installation in smooth bores.

Where to buy SKF rotary shaft seals worldwide?

3G Electric supplies SKF rotary shaft seals like the CRWA1 model to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery for international orders. Contact us to source this seal or other SKF components for your application.

How to install an SKF CRWA1 dual-lip oil seal?

To install an SKF CRWA1 dual-lip oil seal, ensure the housing bore is clean and free of burrs. Lubricate the seal lips and shaft with compatible oil. Press the seal evenly into the bore using a suitable installation tool, applying force only to the outer case to avoid damaging the sealing lips or spring.

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 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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