Thin section bearings with direct Kaydon® Reali-Slim® and Silverthin™ interchange
2,139 SlimPro sizes in chrome steel, Armoloy® plated, sealed, stainless and metric — angular, radial and four-point contact. Using a Kaydon or Silverthin bearing today? Add SP- to the part number and you have the SlimPro equivalent, served from that catalog's own published data.
Download the SlimPro catalog (PDF, 48 pages) · Overview brochure (PDF)
Kaydon → SlimPro in one step
| Kaydon Reali-Slim® | KA020XP0 |
|---|---|
| SlimPro equivalent | SP-KA020XP0 |
| Kaydon sealed | JA020CP0 |
| SlimPro equivalent | SP-JA020CP0 |
Kaydon number ends in 3, 4 or 6 (precision class), or starts with W, T, U or V (stainless, sealed or shielded)? Enter it anyway: we show the closest catalog part and what changes.
Six lines, one interchange
Open — Chrome Steel
Open (unsealed) thin section bearings in 52100 chrome steel. The standard choice for clean, lubricated environments.
406 part numbers
Show these →Sealed
Double-sealed bearings with upper and lower seals, pre-lubricated for contaminated or maintenance-free applications.
122 part numbers
Show these →Sealed — Armoloy® Plated
Double sealed and Armoloy® (thin dense chrome) plated, for wet or corrosive applications that are also dirty. The SlimPro equivalent of Kaydon® "L" bearings (two seals and ENDURAKOTE® plating). Made to order.
122 part numbers
Show these →Open — Armoloy® Plated
Thin dense chrome (Armoloy®) plating for corrosion and wear resistance at the same dimensions as the open series.
405 part numbers
Show these →Stainless Steel
Stainless steel rings and balls for washdown, food, medical and corrosive environments.
381 part numbers
Show these →Metric Series
True metric thin section bearings in 8, 13 and 20 mm cross sections.
226 part numbers
Show these →Silverthin™ Interchange — Open
SlimPro equivalents for Silverthin open thin section bearings, served from the Silverthin catalog's own published dimensions and ratings.
393 part numbers
Show these →Silverthin™ Interchange — Sealed
SlimPro equivalents for Silverthin sealed (JS) thin section bearings, from the Silverthin catalog's own published values.
84 part numbers
Show these →Angular, radial and four-point contact
Angular Contact (Type A)
Carries radial and one-direction thrust loads; usually mounted in opposed pairs.
Radial Contact (Type C)
Designed primarily for radial loads, with light thrust capacity.
Four-Point Contact (Type X)
Carries radial, thrust in both directions and moment loads in a single bearing.
Find a SlimPro bearing
| SlimPro part | Interchange | Line | Type | Bore | OD | Section | Radial static | Thrust static | Weight | CAD |
|---|
Each value shows its unit: inch series in inches, lbf and lb; metric series in mm, kgf and kg. Use the Line filter to show only the metric series. Click any part for full specifications; CAD files are sent on request.
Engineering guides
Practical articles from our engineers on specifying, installing and maintaining these parts.
Kaydon® Reali-Slim® Equivalents: How to Cross a Kaydon Part Number to SlimPro
How to read a Kaydon Reali-Slim part number, position by position, and find the SlimPro equivalent: add SP- for catalog parts, and what chan
Read the guide →Silverthin™ Thin Section Bearing Equivalents: Crossing Silverthin Part Numbers to SlimPro
How Silverthin thin section part numbers cross to SlimPro, the 462 sizes we list, and the one look-alike part number that catches people out
Read the guide →SlimPro Thin Section Bearings: Kaydon® Equivalents, Lines and How to Choose
SlimPro thin section bearings: 1,662 sizes with direct Kaydon Reali-Slim equivalents, in open, sealed, plated, stainless and metric lines, p
Read the guide →5 Ways Engineers Misapply Cross Roller Bearings (And How to Avoid Them)
Cross roller bearings deliver exceptional stiffness and accuracy — but only when installed and integrated correctly. These five common engin
Read the guide →Advancing Medical Innovation with High-Precision Slewing Rings in Imaging Systems
Learn how high-precision slewing rings enhance the performance of medical imaging equipment like CT scanners and MRI machines, ensuring accu
Read the guide →Revolutionizing the Communications Market with Slewing Ring Bearings
Discover how SlewPro's precision-crafted slewing ring bearings enhance communication equipment like satellite dishes, radar systems, and tel
Read the guide →Talk to an engineer
Need help selecting the right part? Our engineers will size it, cross it, and quote it — usually within 1–2 business days.
Not in the catalog? We design to your application, with no engineering charge.