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SKF Rotary Shaft Seal: 1 Lip w/Spring, CRWH1, Nitrile, 3 in ID, 4.003 in OD - Single-Lip Oil Seals with Reinforced Metal Cases for Smooth Bores
SKFSingle-Lip Oil Seals with Reinforced Metal Cases for Smooth Bores

SKF Rotary Shaft Seal: 1 Lip w/Spring, CRWH1, Nitrile, 3 in ID, 4.003 in OD

The SKF Rotary Shaft Seal (SKU 40J989) is a single-lip oil seal with a reinforced metal case, designed for smooth bores. This CRWH1 seal uses a nitrile lip with a spring, measures 3 inches ID, 4.003 inches OD, and…

SKU 3G-OTH-123372

Brand
SKF
Item
Rotary Shaft Seal: 1 Lip w/Spring, CRWH1, Nitrile, 3 in ID, 4.003 in OD
Category
Single-Lip Oil Seals with Reinforced Metal Cases for Smooth Bores
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Technical Specifications

SKF
Manufacturer Part Number
29951
Type
CRWH1, Nitrile
OD
4.003 in
Wd
0.438 in
ID
3 in
Seal Design
CRWH1
System of Measurement
Inch
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SKF Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SKF Rotary Shaft Seal (SKU 40J989) is a single-lip oil seal with a reinforced metal case, designed for smooth bores. This CRWH1 seal uses a nitrile lip with a spring, measures 3 inches ID, 4.003 inches OD, and 0.438 inches width, and is supplied in inch dimensions under MPN 29951.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the SKF CRWH1 rotary shaft seal used for?

The SKF CRWH1 rotary shaft seal is a single-lip oil seal with a spring-loaded nitrile lip and reinforced metal case, designed to retain lubricants and exclude contaminants in rotating shaft applications with smooth bores.

What are the specifications of the SKF 29951 rotary shaft seal?

The SKF 29951 rotary shaft seal has a 3 in ID, 4.003 in OD, and 0.438 in width. It features a CRWH1 design with a nitrile lip and spring, inch system of measurement, and a reinforced metal case for smooth bores.

Where to buy SKF rotary shaft seals worldwide?

3G Electric supplies SKF rotary shaft seals worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source and deliver genuine SKF parts like the CRWH1 seal (MPN 29951) to your location.

How to install an SKF CRWH1 single-lip oil seal?

Ensure the bore is smooth and clean, then press the seal evenly into the housing using a suitable installation tool that contacts the outer case. Lubricate the lip lightly before installation to prevent dry start damage.

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 single-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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