Best Chromium Steel Deep-Groove Ball Bearings of 2026

Harvey Wall Avatar
Harvey Wall
Last Updated: 3 Feb 2026

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Chromium steel deep-groove ball bearings are a type of rolling-element bearing that is widely used in various applications, including automotive, aerospace, and industrial machinery. These bearings are made from high-quality chromium steel, which provides excellent hardness, wear resistance, and corrosion resistance. The deep-groove design of the bearing allows it to support both radial and axial loads, making it a versatile choice for a wide range of applications. These bearings are also known for their high precision and long service life, making them an ideal choice for demanding applications where reliability and performance are critical.

At a Glance: Our Top Picks

sourcing map 6004RS Single Sealed Ball Bearing Cover #TOP 1
sourcing map 6004RS Single Sealed Ball Bearing
ftb score rating icon 9.9
10pcs 6703ZZ Thin Section Ball Bearing Double Shielded Deep-groove High-speed Ball Bearings High-carbon chromium bearing steel Single roll Ball Bearings 17 * 23 * 4mm Cover #TOP 2
10pcs 6703ZZ Thin Section Ball Bearing Double Shielded Deep-groove High-speed Ball Bearings High-carbon chromium bearing steel Single roll Ball Bearings 17 * 23 * 4mm
ftb score rating icon 9.8
METALLIXITY Deep Groove Ball Bearings 2Pcs, Chromium Steel Double Sealed Industrial Bearings Cover #TOP 3
METALLIXITY Deep Groove Ball Bearings 2Pcs, Chromium Steel Double Sealed Industrial Bearings
ftb score rating icon 9.6

Top 10 Chromium Steel Deep-Groove Ball Bearings

#TOP 1

sourcing map 6004RS Single Sealed Ball Bearing

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20x42x12mm
sourcing map 6004RS Single Sealed Ball Bearing Cover
sourcing map 6004RS Deep Groove Ball Bearings Single Sealed, 20mm x 42mm x 12mm Chromium Steel Bearing

The sourcing map 6004RS Bearing offers a convenient size of 20mm x 42mm x 12mm, making it suitable for various applications. It is sealed on one side, allowing for easy lubrication and maintenance while protecting against dirt. This feature is particularly beneficial if you plan to install it vertically. Crafted from chromium steel, these long-life bearings ensure smooth operation with minimal noise, enhancing your overall experience. Additionally, they come pre-lubricated, making them easy to maintain and use right out of the box.

What We Like
Easy lubrication and maintenance
Durable chromium steel construction
Low noise operation
Pre-lubricated for convenience
Ideal for vertical installation
#TOP 2

10pcs 6703ZZ Thin Section Ball Bearing Double Shielded Deep-groove High-speed Ball Bearings High-carbon chromium bearing steel Single roll Ball Bearings 17 * 23 * 4mm

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10pcs 6703ZZ Thin Section Ball Bearing Double Shielded Deep-groove High-speed Ball Bearings High-carbon chromium bearing steel Single roll Ball Bearings 17 * 23 * 4mm Cover
10pcs 6703ZZ Thin Section Ball Bearing Double Shielded Deep-groove High-speed Ball Bearings High-carbon chromium bearing steel Single roll Ball Bearings 17 * 23 * 4mm

Features
[APPLY TO] These Are Great For Small Hobby 17mm Shaft / Rod Projects.
[EXCELLENT MATERIAL] These Bearings Are Made Of High Quality High-Carbon Chromium Bearing Steel For Low Noise And Long Service Life.
[SPECIFICATION] Rolling Element: Single Row, Inner Diameter: 17mm / 0.7in, Outer Diameter: 23mm / 0.9in, Thickness: 4mm, Type: Deep-Groove High-Speed.
[PRACTICAL] There Comes Total 10 Pieces Miniature Bearings Which You May Use For Many Different Projects.
[DOUBLE SHIELDED] They Are Double Shielded To Avoid Contaminants Entering And Save Lubricant.
#TOP 3

METALLIXITY Deep Groove Ball Bearings 2Pcs, Chromium Steel Double Sealed Industrial Bearings

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black
6001RS
METALLIXITY Deep Groove Ball Bearings 2Pcs, Chromium Steel Double Sealed Industrial Bearings Cover
METALLIXITY Deep Groove Ball Bearings (607-2RS, 7mm x 19mm x 6mm) 2Pcs, Chromium Steel Double Sealed Industrial Bearings - for Industrial Micro Motor

Features
[2]:SPECIFICATION - Overall Dimensions: 7mm X 19mm X 6mm (Inner Dia*Outer Dia*Thickness); Model: 607-2RS; Sealed Type: Double Sealed
[1]:APPLY TO - Good For Electric Motors, Pumps, Generators, Gearboxes, Engines, And Other Rotating Machinery. Our Bearing Is A Go-To Solution For Industrial, Automotive, Agricultural, Construction, And Other Applications.
[5]:QUANTITY INCLUDED - 2pcs X Deep Groove Ball Bearings.
[4]:ADVANTAGE - Constructed From Chromium Steel With Heat Treatment, Ensuring Optimal And Consistent Hardness For Excellent Wear Resistance.
[3]:DESIGN - This Bearing Is Meticulously Engineered With Precise Tolerances For Inner And Outer Rings And Cages, Ensuring Concentricity And Seamless, Friction-Free Rotation To Deliver Superior Performance.
#TOP 4

METALLIXITY Deep Groove Ball Bearings 2Pcs, Chromium Steel Double Sealed Industrial Bearings

mtf240918xt001818
black
6806-2RS
METALLIXITY Deep Groove Ball Bearings 2Pcs, Chromium Steel Double Sealed Industrial Bearings Cover
METALLIXITY Deep Groove Ball Bearings (6805-2RS, 25mm x 37mm x 7mm) 2Pcs, Chromium Steel Double Sealed Industrial Bearings - for Micro Motor

Features
[2]:SPECIFICATION - Overall Dimensions: 25mm X 37mm X 7mm (Inner Dia*Outer Dia*Thickness); Model: 6805-2RS; Sealed Type: Double Sealed
[1]:APPLY TO - Good For Electric Motors, Pumps, Generators, Gearboxes, Engines, And Other Rotating Machinery. Our Bearing Is A Go-To Solution For Industrial, Automotive, Agricultural, Construction, And Other Applications.
[5]:QUANTITY INCLUDED - 2pcs X Deep Groove Ball Bearings.
[3]:DESIGN - This Bearing Is Meticulously Engineered With Precise Tolerances For Inner And Outer Rings And Cages, Ensuring Concentricity And Seamless, Friction-Free Rotation To Deliver Superior Performance.
ADVANTAGE - Constructed From Chromium Steel With Heat Treatment, Ensuring Optimal And Consistent Hardness For Excellent Wear Resistance.
#TOP 5

METALLIXITY Deep Groove Ball Bearings 4Pcs, Chromium Steel Double Sealed Industrial Bearings

mtf240918xt001796
black
99502H-2RS
METALLIXITY Deep Groove Ball Bearings 4Pcs, Chromium Steel Double Sealed Industrial Bearings Cover
METALLIXITY Deep Groove Ball Bearings (99502H-2RS, 5/8" x 1-3/8" x 11mm) 4Pcs, Chromium Steel Double Sealed Industrial Bearings - for Industrial Micro Motor

Features
[2]:SPECIFICATION - Overall Dimensions: 5/8" X 1-3/8" X 11mm (Inner Dia*Outer Dia*Thickness); Model: 99502H-2RS; Sealed Type: Double Sealed
[1]:APPLY TO - Good For Electric Motors, Pumps, Generators, Gearboxes, Engines, And Other Rotating Machinery. Our Bearing Is A Go-To Solution For Industrial, Automotive, Agricultural, Construction, And Other Applications.
[5]:QUANTITY INCLUDED - 4pcs X Deep Groove Ball Bearings.
[3]:DESIGN - This Bearing Is Meticulously Engineered With Precise Tolerances For Inner And Outer Rings And Cages, Ensuring Concentricity And Seamless, Friction-Free Rotation To Deliver Superior Performance.
ADVANTAGE - Constructed From Chromium Steel With Heat Treatment, Ensuring Optimal And Consistent Hardness For Excellent Wear Resistance.
#TOP 6

METALLIXITY Deep Groove Ball Bearing 1Pcs, Chromium Steel Sealed Industrial Bearings

mtf240918xt001389
black
6001RS
METALLIXITY Deep Groove Ball Bearing 1Pcs, Chromium Steel Sealed Industrial Bearings Cover
METALLIXITY Deep Groove Ball Bearing (6203W14-2RS, 17mm x 40mm x 14mm) 1Pcs, Chromium Steel Sealed Industrial Bearings - for Industrial Micro Motor

Features
[2]:SPECIFICATION - Overall Dimensions: 17mm X 40mm X 14mm (Inner Dia*Outer Dia*Thickness); Model: 6203W14-2RS.
[1]:APPLY TO - Good For Electric Motors, Pumps, Generators, Gearboxes, Engines, And Other Rotating Machinery. Our Bearing Is A Go-To Solution For Industrial, Automotive, Agricultural, Construction, And Other Applications.
[5]:QUANTITY INCLUDED - 1pcs X Deep Groove Ball Bearing.
[4]:ADVANTAGE - Constructed From Chromium Steel With Heat Treatment, Ensuring Optimal And Consistent Hardness For Excellent Wear Resistance.
[3]:DESIGN - This Bearing Is Meticulously Engineered With Precise Tolerances For Inner And Outer Rings And Cages, Ensuring Concentricity And Seamless, Friction-Free Rotation To Deliver Superior Performance.
#TOP 7

METALLIXITY Deep Groove Ball Bearings 2Pcs, Chromium Steel Double Sealed Industrial Bearings

mtf240918xt002010
black
173110-2RS
METALLIXITY Deep Groove Ball Bearings 2Pcs, Chromium Steel Double Sealed Industrial Bearings Cover
METALLIXITY Deep Groove Ball Bearings (173110-2RS, 17mm x 31mm x 10mm) 2Pcs, Chromium Steel Double Sealed Industrial Bearings - for Industrial Micro Motor

Features
[2]:SPECIFICATION - Overall Dimensions: 17mm X 31mm X 10mm (Inner Dia*Outer Dia*Thickness); Model: 173110-2RS; Sealed Type: Double Sealed
[1]:APPLY TO - Good For Electric Motors, Pumps, Generators, Gearboxes, Engines, And Other Rotating Machinery. Our Bearing Is A Go-To Solution For Industrial, Automotive, Agricultural, Construction, And Other Applications.
[5]:QUANTITY INCLUDED - 2pcs X Deep Groove Ball Bearings.
[3]:DESIGN - This Bearing Is Meticulously Engineered With Precise Tolerances For Inner And Outer Rings And Cages, Ensuring Concentricity And Seamless, Friction-Free Rotation To Deliver Superior Performance.
ADVANTAGE - Constructed From Chromium Steel With Heat Treatment, Ensuring Optimal And Consistent Hardness For Excellent Wear Resistance.
#TOP 8

METALLIXITY Deep Groove Ball Bearing 2Pcs, Chromium Steel Double Sealed Industrial Bearings

mtf240918xt001367
black
6001RS
METALLIXITY Deep Groove Ball Bearing 2Pcs, Chromium Steel Double Sealed Industrial Bearings Cover
METALLIXITY Deep Groove Ball Bearing (R8-2RS, 1/2" x 1-1/8" x 5/16") 2Pcs, Chromium Steel Double Sealed Industrial Bearings - for Industrial Micro Motor

Features
[2]:SPECIFICATION - Overall Dimensions: 1/2' X 1-1/8' X 5/16' (Inner Dia*Outer Dia*Thickness); Model: R8-2RS.
[1]:APPLY TO - Good For Electric Motors, Pumps, Generators, Gearboxes, Engines, And Other Rotating Machinery. Our Bearing Is A Go-To Solution For Industrial, Automotive, Agricultural, Construction, And Other Applications.
[5]:QUANTITY INCLUDED - 2pcs X Deep Groove Ball Bearing.
[4]:ADVANTAGE - Constructed From Chromium Steel With Heat Treatment, Ensuring Optimal And Consistent Hardness For Excellent Wear Resistance.
[3]:DESIGN - This Bearing Is Meticulously Engineered With Precise Tolerances For Inner And Outer Rings And Cages, Ensuring Concentricity And Seamless, Friction-Free Rotation To Deliver Superior Performance.
#TOP 9

Kozelo 2Pcs R4-2RS Deep Groove Ball Bearing- Double Sealed Bearing for Industrial Equipment, Motors, Machines, Chromium Steel

Kozelo
klf240201zz000414
Silver Tone
Kozelo 2Pcs R4-2RS Deep Groove Ball Bearing- Double Sealed Bearing for Industrial Equipment, Motors, Machines, Chromium Steel Cover
Kozelo 2Pcs R4-2RS Deep Groove Ball Bearing-[1/4"x5/8"x0.196"] Double Sealed Bearing for Industrial Equipment, Motors, Machines, Chromium Steel

Features
1- PACKAGE CONTENTS - 2Pcs R4-2RS Chromium Steel Z1 Lever Deep Groove Ball Bearing; Interior Diameter: 1/4"; Exterior Diameter: 5/8"; Thickness:0.196"; Double Sealed ABEC3
2- MATERIAL - The Bearing Is Made Of Chromium Steel, Which Is Stronger Rust And Corrosion Resistance Ability To Withstand Damage Caused By Humidity And Some Other Media. It Contains Resistance To Heavy Loads.
3- APPLICATION - The Deep Groove Ball Bearing Is Applied To The Industrial Equipment, Micro Motor, Small Rotary Motor, Office Equipment, Machines And Gearboxes And So On.
4- DURABLE - The Bearing Is Made Of Chromium Steel, Which Is Durable. And It Features Z1 Lever, Which Is Low Noise To Keep The Environment Quiet. And It Has Small Friction And High-Limit Speed, Which Maintains The High Efficiency.
5- TAKE NOTICE OF - Please Pay Attention To The Size And Type Of The Bearing And Keep It Clean And Lubricant.
#TOP 10

10pcs 6702ZZ Thin Section Ball Bearing Double Shielded Deep-groove High-speed Ball Bearings High-carbon chromium bearing steel Single row 15 * 21 * 4mm

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10pcs 6702ZZ Thin Section Ball Bearing Double Shielded Deep-groove High-speed Ball Bearings High-carbon chromium bearing steel Single row 15 * 21 * 4mm Cover
10pcs 6702ZZ Thin Section Ball Bearing Double Shielded Deep-groove High-speed Ball Bearings High-carbon chromium bearing steel Single row 15 * 21 * 4mm

Features
They Are Double Shielded To Avoid Contaminants Entering And Save Lubricant.
These Bearings Are Made Of High Quality Steel For Low Noise And Long Service Life.
These Are Great For Small Hobby 15mm Shaft/rod Projects.
There Comes Total 10 Pieces Miniature Bearings Which You May Use For Many Different Projects.
Bearings Have A 15mm Inner Diameter, A 21mm Outer Diameter, And A 4mm Thickness.
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Are chrome steel bearings good?

Thanks to its makeup properties, this material provides excellent strength and fatigue properties for operating temperatures less than 400 degrees Fahrenheit. These features make chrome steel a great choice for most general applications in need of thin section bearings.

2. What are deep groove ball bearings used for?

Deep groove ball bearings are the most common type of ball bearing. They are commonly used in electric motors and in household appliances, car motors, office machinery, automation control, and garden and household tools.

3. What kind of steel is used in ball bearings?

Most ball bearings are made of a type of steel known as high carbon chromium steel, often called chrome steel. This is used for reasons of cost and durability. Bearings are also made from other materials such as stainless steel, ceramics and plastic.

4. What is the hardest ball bearing?

Steel. This is the standard steel for most ball bearings. It is harder than stainless steel meaning greater life ratings. It also has superior low noise qualities to standard 440 grade stainless steel.

Editor's Notes

During our chromium steel deep-groove ball bearing research, we found 306 chromium steel deep-groove ball bearing products and shortlisted 10 quality products. We collected and analyzed 3,072 customer reviews through our big data system to write the chromium steel deep-groove ball bearings list. We found that most customers choose chromium steel deep-groove ball bearings with an average price of £20.00.

The chromium steel deep-groove ball bearings are available for purchase. We have researched hundreds of brands and picked the top brands of chromium steel deep-groove ball bearings, including Uxcell, Vikye, METALLIXITY, Kozelo.

Written by
Harvey Wall Avatar

Harvey Wall was born and raised in Norwich. He mastered the art of tool production and finished at the prestigious Norwich University. His area of interest include cutting tools, abrasive finishing and power tools. Harvey is always looking for ways to improve the finesse of industrial tools via his myriads of researches. He also shares some of his experiences on many platforms while writing on tool products.