Skip to main content
All products
Deep groove ball bearing with metal side shields · SKF W 638/4 R-2Z
SKF W 638/4 R-2Z stainless steel deep groove ball bearing

SKFBrand We Carry

SKF W 638/4 R-2Z stainless steel deep groove ball bearing

Manufacturer part numberW 638/4 R-2ZAlso known as: W638/4R2Z · W638/4 R-2Z · W 638/4 R 2Z
Brand
SKF
Category
Bearings
Get a quote for W 638/4 R-2Z on WhatsApp

We reply promptly.

Tell us the quantity you need and request a quote by WhatsApp or email.

Other brands for this category

Ask us for alternatives. We check every equivalent against the part number and your application.

Can't find the exact model? Tell us the part number or model you need. We'll track it down and quote it, whether or not it appears in our catalog.

Ask on WhatsAppAsk by email

Description

SKF W 638/4 R-2Z belongs to stainless steel deep groove ball bearing, part of our Bearings range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for W 638/4 R-2Z and any equivalents.

For equipment exposed to moisture, washdowns, or moderate chemicals, the SKF stainless steel deep groove ball bearing offers a reliable solution. Its stainless steel construction resists corrosion, making it suitable for food, medical, and marine machinery. At MR Industrial Accessories, we supply this SKF line to meet the demands of challenging environments.

The part number tells you the key features. A prefix W means stainless steel. The basic number, such as 628/8 or 638/4, sets the dimensions. Suffixes indicate additional details: R for a snap ring groove on the outer ring, and Z for a shield on one or both sides. So W 628/8 R-2Z is a stainless steel bearing with groove and double shield. Understanding these codes simplifies selection.

These bearings are common in food and beverage plants, pharmaceutical facilities, and marine or coastal operations. They also appear in textile machines, industrial printers, and packaging systems. Their ability to handle moderate radial and axial loads makes them versatile for many mechanisms.

When selecting, consider the environment. For corrosive liquids or vapors, stainless steel is the right choice. The Z shield helps retain lubricant and block contaminants, though it is not a full seal. The R groove allows axial fixing with a snap ring, easing assembly. During installation, ensure precise alignment and avoid impacts. Use a lubricant compatible with stainless steel; check the datasheet for guidance.

Interchangeability with other brands is based on standardized dimensions, but suffixes may differ. Always verify inner, outer, and width diameters, as well as shield and groove type, before replacing. At MR Industrial Accessories, we can help you find the correct equivalent.

To get a quote, send the full bearing code via WhatsApp or email. If you don't have it, share your application details and dimensions, and we'll assist in identifying the right bearing. Our team responds promptly and can suggest equivalents.

Dimensions

Dimensions and tolerances: Message us the part number on WhatsApp and we'll verify its dimensions and version with the manufacturer's datasheet.

Frequently asked questions

What does the R suffix mean on a SKF bearing?
The R suffix indicates a snap ring groove on the outer ring. This allows axial fixation in the housing with a snap ring, simplifying assembly and disassembly.
Is this bearing suitable for humid environments?
Yes, its stainless steel construction resists corrosion in humid conditions and with moderate chemicals. It is ideal for frequently washed equipment, such as in food processing. For continuous immersion or aggressive chemicals, ask about options with special seals.
How do I request a quote for this bearing?
Send the full bearing code via WhatsApp or email. At MR Industrial Accessories, we will reply with a quote. If you don't have the code, provide dimensions and application details, and we'll help identify it.
Get a quote for W 638/4 R-2Z on WhatsApp
Quote on WhatsApp