LILY Bearing Blog

Technical Insights & Industry Solutions for Precision Bearings

Bearing Selection

linear ball bearing vs linear roller bearing

5 min read

Linear Bearings: Ball vs. Roller — What Actually Matters When You Choose

Both ball and roller linear bearings carry loads along a shaft. Their internal geometry — point contact vs. line contact — determines speed...

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Ball bearing size chart reference — deep groove ball bearing with visible inner race, outer ring, and steel balls

8 min read

How to Read a Bearing Size Chart + Free Dimension Reference Tables

Bearing size charts are not complicated once you know the logic. The numbers follow a fixed pattern — and once you get one bearing number right, the...

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Deep groove ball bearing, loose steel balls, Mitutoyo caliper, and bearing spec sheet on a steel workbench

8 min read

Bearing Size Chart Guide: Ball, Roller & Thrust Bearing Dimensions

What Is a Bearing Size Chart? A bearing size chart is a standardized reference table that maps bearing part numbers to their three core physical...

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Pillow block bearing with visible bore next to a Mitutoyo micrometer and dimensional drawing on a workshop bench

11 min read

Pillow Block Bearing Size Chart: How to Determine the Right Size for Your Shaft

The most common sizing mistake we see: someone measures their shaft with a tape measure, rounds to the nearest half-inch, and orders the wrong bore....

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Cast iron pillow block bearing mounted on a steel shaft in an industrial workshop

12 min read

Cast Iron Pillow Block Bearings: HT200, HT250, and HT300 Explained

Cast iron is the default housing material for pillow block bearings—and for good reason. But "cast iron" isn't a single material. There's HT150,...

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needle bearings vs roller bearings

5 min read

Needle Bearings vs Roller Bearings: 2026 Selection Guide

Can you fit a bearing with 35,000N load capacity in a 30mm radial envelope? The answer is no for cylindrical roller bearings, but yes for needle...

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Small Bearings

4 min read

An Overview of Small Bearings

Small bearings play a crucial role in both modern industrial and domestic appliances. These bearings, despite their minute size, significantly...

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