Blue Book

AI Visibility Index · Cell report

Measured

AI Visibility Index: Industrial Bearings in California

When a buyer asks an AI assistant for a industrial bearings supplier in California, these are the companies that get named. This is what we found when the cell was last measured.

  • 127 companies tracked
  • Last measured September 30, 2026
  • Next measurement October 30, 2026
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The headline numbers

Never named by AI

110 of 127

companies never appeared in a single buying question

They were asked the same 5 buying questions as everyone else in this cell and were not named once.

  • 17 named at least once
  • 110 never named
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Cell average
0.26of 15

Across all 127 tracked companies.

Top ten average
3.1of 15

The ten most visible companies in the cell.

A company's score is how many of the 15 measured answers named it.

The top ten in California

These are the companies AI assistants named most often when California buyers went looking for a supplier in this category.

Top 10 most AI-visible Industrial Bearings companies in California, measured September 30, 2026
RankCompanyAI visibility
1
CST Bearing Company
California
2 name variants
  • CST Bearing Companymost common3
  • CST Bearing Co.2

5 of 15 answers

2
Applied Industrial Technologies
20 employeesModesto, California

4 of 15 answers

3
Eureka Bearing & Supply Co Inc
6 employeesHuntington Beach, California

4 of 15 answers

4
Align Aerospace LLC
90 employeesChatsworth, California

3 of 15 answers

5
Hayes Bolt & Supply, Inc.
18 employeesSan Diego, California

3 of 15 answers

6
Motion Industries
11 employeesBakersfield, California

3 of 15 answers

7
Bearing Works
California

3 of 15 answers

8
Adept Fasteners
6 employeesValencia, California

2 of 15 answers

9
Bearing Engineering Co
5 employeesSan Francisco, California
2 name variants
  • Bearing Engineering Co.most common1
  • Bearing Engineering1

2 of 15 answers

10
Bearings & Drives,Inc
5 employeesOntario, California

2 of 15 answers

40 more companies were named at least once. Companies outside the top ten are counted in the averages but not named here.

Also named, based in another state

AI assistants named these companies too, but MacRAE'S lists them in a different state, not California. They belong to that state's ranking, not this one.

CompanyStateMentions
Baker Bearing CompanyOregon6 of 15
Bay City Industrial SupplyGeorgia6 of 15
Bearing Distributors Inc (BDI)Illinois4 of 15
RitbearingOhio2 of 15
California Industrial Rubber Co.Nevada1 of 15
Engineered Industrial Products, Inc. (EIP)Missouri1 of 15

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The five questions we asked

Every company in this cell is measured on the same questions, written the way a buyer would type them. That is what makes the ranking a comparison rather than a collection of anecdotes.

  1. 1“Best suppliers of industrial bearings in California”
  2. 2“Who supplies precision angular contact ball bearings in California”
  3. 3“I need a California bearing supplier for a long-run high-speed conveyor line upgrade, who should I talk to”
  4. 4“Top industrial bearings suppliers in California for OEM machinery buyers”
  5. 5“Which California industrial bearing suppliers can handle aerospace-grade bearings with full traceability and certification”
  6. 6“List 20 industrial bearings companies in California with their specialties.”the roster question

Each question is asked more than once, which is why a company's score is out of 15 answers rather than out of the number of questions.

Where AI drew its answers from

These are the sources the answers in this cell leaned on most, ranked by how many of the named companies each one stands behind.

  • pibsales.com
    5 companies
  • en.wikipedia.orgDirectory
    3 companies
  • api.cb8g2khc-bearingdi1-p1-public.model-t.cc.commerce.ondemand.com
    3 companies
  • ritbearing.com
    3 companies
  • rbcbearings.com
    2 companies
  • bearingengineering.com
    2 companies
  • engnetglobal.com
    2 companies
  • bakerbearing.com
    1 company
  • cstbearing.com
    1 company
  • motion.com
    1 company
  • 4bdi.com
    1 company
  • abaerospace.com
    1 company

68 sources were cited across this cell's answers from 60 domains. A directory page often stands behind several companies at once; a company's own site usually stands behind one.

California in context

California ranks 6th of 6 measured states in this category. Each bar is the share of that state's tracked companies that AI assistants named at least once; across every measured state in this category the share is 21%.

California (this report)Other measured statesCategory average (21%)

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