Bearings

Ball bearings, roller bearings, mounted units, specialty bearings — sourced from Linqing, one of China's top 5 bearing manufacturing clusters.

Linqing is one of China’s top five bearing manufacturing clusters, with over 5,100 factories. I grew up here. I know which shops produce precision-grade and which ones cut corners.

TL;DR Linqing — one of China's top 5 bearing clusters, 5,100+ factories. I grew up here. Ball bearings, roller bearings, mounted units, specialty (ceramic, stainless, plastic), and bearing parts. Know which shops do P4/P5 precision grade and which ones ship junk. If you need bearings that meet spec and arrive on time, I know the right factories — personally.

Ball Bearings

  • Deep groove ball bearings — 6000 / 6200 / 6300 series, the workhorse bearing
  • Angular contact ball bearings — Single-row, double-row, precision (P4/P5)
  • Thrust ball bearings — Single-direction, double-direction, flat seat and spherical
  • Self-aligning ball bearings — Cylindrical and tapered bore

Roller Bearings

  • Cylindrical roller bearings — NU / NJ / NUP series, high radial load
  • Spherical roller bearings — Self-aligning, heavy load, shaft misalignment tolerant
  • Tapered roller bearings — Inch and metric sizes, automotive and industrial
  • Needle roller bearings — Compact design, drawn cup and machined variants

Mounted Bearings

  • Pillow block — UCP series, cast iron and pressed steel housing
  • Flange units — UCF / UCFL series, 2-bolt and 4-bolt
  • Take-up units — Tensioning applications, conveyor systems
  • Plummer blocks — Split housing for spherical roller bearings

Specialty Bearings

  • Ceramic bearings — Silicon nitride balls, hybrid and full ceramic, high-speed
  • Stainless steel bearings — Food-grade, washdown, marine environments
  • Plastic bearings — POM / PEEK, chemical-resistant, self-lubricating
  • Miniature bearings — Instrument and dental handpiece bearings

Bearing Parts

  • Cages — Steel, brass, and polyamide retainers
  • Seals & shields — Rubber contact seals, non-contact metal shields
  • Rings — Inner and outer rings, custom dimensions
  • Rolling elements — Chrome steel and ceramic balls, rollers, needles

Frequently Asked Questions

What's the quality difference between bearings from different Linqing factories?

Enormous. Some shops produce P0/P6 grade that's fine for low-speed, low-load applications. Others produce P4/P5 precision bearings for machine tool spindles and automotive. The price difference between a generic 6204 and a precision-grade 6204 from the same town can be 5-10x. I know which is which — you can't tell from a catalog.

Can I get bearings with my own brand?

Yes. Most mid-to-large bearing factories in Linqing offer OEM with your brand laser-etched on the ring and your packaging. MOQ for custom branding is typically 1,000-5,000 pieces per size, depending on the factory. Some smaller shops will do 500.

What about specialty materials — stainless, ceramic, plastic?

Available but fewer factories handle them well. Stainless steel (440C, 304) bearings are common for food and marine. Ceramic (Si3N4) is growing — a few Linqing shops now do hybrid and full ceramic. POM/PEEK plastic bearings are niche but available. I can direct you to the right shop based on material.

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About the Author

Xinya has worked with China's factories for 13 years. Based in China, he helps businesses find vetted suppliers, negotiate fair prices, and QC every shipment. More about Xinya →