Jessica Jia, Author at TFL

Deep Groove Ball Bearings

6904 Bearing: Dimensions, Load Ratings, Seal Types and Cross Reference

A 6904 bearing is a single row deep groove ball bearing with a 20 mm bore, a 37 mm outside diameter and a 9 mm

Jessica Jia October 31, 2026

Deep Groove Ball Bearings

6902 Bearing: Dimensions, Seal Types, Specs and Replacement Guide

A 6902 bearing is a single row deep groove ball bearing with a 15 mm bore, a 28 mm outside diameter and a 7 mm

Jessica Jia October 31, 2026

Deep Groove Ball Bearings

6201 Bearing: Dimensions, Specs, Seal Types and Replacement Guide

A 6201 bearing is a single row deep groove ball bearing with a 12 mm bore, a 32 mm outside diameter and a 10 mm

Jessica Jia October 24, 2026

Bearing Application Technology

One Way Bearing: How It Works, Types, Uses and Bad Symptoms

A one way bearing is a bearing that spins freely in one direction and locks solid in the other. Small sprags or rollers inside wedge

Jessica Jia October 24, 2026

Deep Groove Ball Bearings

N vs NR Bearings: How to Choose the Correct Snap Ring Configuration

Compare N vs NR bearing suffixes, snap ring supply, shield and seal combinations, and the dimensions to check before ordering a replacement.

Jessica Jia October 15, 2026

Standard bearing and snap ring bearing compared for replacement compatibility

Deep Groove Ball Bearings

Can You Replace a Snap Ring Bearing with a Standard Bearing?

Can a standard bearing replace a snap ring bearing? Compare 6204 vs. 6204NR, axial retention, failure risks, and replacement suffixes before ordering.

Jessica Jia October 13, 2026

Comparison of Nylon PA66, pressed steel, and machined brass bearing cages for high-temperature applications

TFL Bearings

Nylon vs Steel vs Brass: Which Bearing Cage Survives Heat?

Compare Nylon (TN9), Pressed Steel, and Machined Brass (M) bearing cages under high heat. Explore 4 practical case scenarios to prevent premature cage failure.

Jessica Jia September 18, 2026

Comparison between industrial high-temperature grease and a deep groove ball bearing for extreme heat applications

Bearing Application Technology

Why High-Temp Grease Costs More Than High-Temp Bearings

Discover why repacking bearings with high-temperature grease can cost more than high-temp bearings—and the critical speed traps to avoid before swapping them.

Jessica Jia September 16, 2026

How hot is too hot for a bearing article hero image with overheated bearing visual

Bearing Maintenance

How Hot Is Too Hot for a Bearing?

Learn why bearing overheating has no universal temperature limit, how to read temperature trends, and when a hot bearing needs investigation or shutdown.

Jessica Jia August 13, 2026

Bearing vs bushing vs bare axle comparison for choosing the right machine joint

Bearing Application Technology

Bearing vs. Bushing vs. Bare Axle: How to Choose the Right Joint for Your Mechanism

When a shaft, pin, axle, or rotating component needs support, the choice is not simply “use a bearing” or “save money with a hole and

Jessica Jia July 29, 2026

TFL Bearing hard-to-find bearing sourcing case for an urgent order

Miniature Ball Bearings

How We Sourced 500 Hard-to-Find EZO SRW0ZZ Bearings for an Urgent Order

Finding an EZO SRW0ZZ listing online was not the difficult part. Finding 500 pieces of actual available stock was. A customer came to TFL Bearings

Jessica Jia July 24, 2026

Are Chinese bearings good comparison between Chinese and global bearing supply options

China Bearing Manufacturers

Are Chinese Bearings Good? How They Compare with SKF, NSK and Timken

Compare Chinese bearings with SKF, NSK and Timken on precision, steel, life, cost and application fit to choose the right bearing sourcing route.

Jessica Jia July 9, 2026

TFL Bearing cover image explaining why 100,000 RPM turbojet engine bearings are hard to source

Bearing Application Technology

The Hidden Heart of UAVs: Why 100,000+ RPM Turbojet Bearings Are So Hard to Source

Why are 100,000+ RPM turbojet bearings so hard to source? See how TFL found rare GRW D6000 stock during a GMN shortage.

Jessica Jia June 4, 2026

Automotive Bearings

Stop the Domino Effect: The Ultimate Guide to Differential Bearing Repair and Axle Longevity

Master differential repair. Learn to decode gear whine, identify premature bearing failure causes, and discover essential open-bearing specs for EV axles.

Jessica Jia June 4, 2026

Pinion vs carrier bearing technical guide cover featuring a heavy-duty tapered roller bearing and automotive differential by TFL Bearing.

Automotive Bearings

Inside the Differential: Pinion vs. Carrier Bearing Functions, Preload, and Failure Diagnostics

Prevent catastrophic axle failures. Compare pinion vs carrier bearings, master critical preload specs, and learn to diagnose gear whine like a pro.

Jessica Jia May 15, 2026

Electrically Insulated Bearings

Defeating Brackish Water Corrosion in Heavy-Duty Marine Engine Bearings

Discover why brackish water destroys standard marine bearings. Explore the metallurgical advantages of advanced self-lubricating alloys to stop corrosion.

Jessica Jia May 12, 2026

Wheel Bearing Noise: What It Sounds Like and How to Find the Bad One

Spherical Bearings: Types, GE Codes and How to Choose One

6804 Bearing: Dimensions, Specs, Seal Types and Equivalents

Jessica Jia

Categories

6904 Bearing: Dimensions, Load Ratings, Seal Types and Cross Reference

6902 Bearing: Dimensions, Seal Types, Specs and Replacement Guide

6201 Bearing: Dimensions, Specs, Seal Types and Replacement Guide

One Way Bearing: How It Works, Types, Uses and Bad Symptoms

N vs NR Bearings: How to Choose the Correct Snap Ring Configuration

Can You Replace a Snap Ring Bearing with a Standard Bearing?

Nylon vs Steel vs Brass: Which Bearing Cage Survives Heat?

Why High-Temp Grease Costs More Than High-Temp Bearings

How Hot Is Too Hot for a Bearing?

Bearing vs. Bushing vs. Bare Axle: How to Choose the Right Joint for Your Mechanism

How We Sourced 500 Hard-to-Find EZO SRW0ZZ Bearings for an Urgent Order

Are Chinese Bearings Good? How They Compare with SKF, NSK and Timken

The Hidden Heart of UAVs: Why 100,000+ RPM Turbojet Bearings Are So Hard to Source

Stop the Domino Effect: The Ultimate Guide to Differential Bearing Repair and Axle Longevity

Inside the Differential: Pinion vs. Carrier Bearing Functions, Preload, and Failure Diagnostics

Defeating Brackish Water Corrosion in Heavy-Duty Marine Engine Bearings