Bearing Material Tables

2026-05-12 10:05

(a) Chemical composition of bearing steel

 

Spec

C %

Si %

Mn %

P %

S %

Cr %

Mo %

Ni

Hardness

Chrome
Steel

SAE52100

100Cr6

SUJ2

0.95 ~ 1.10

0.15-0.35

0.50
max

0.025
max

0.025
max

1.30
~ 1.60

 

 

64 HRC
max

Stainless

Steel

AISI440C

SUS440C

X105CrMo17

0.95 ~ 1.20

1.00
max

1.00
max

0.04
max

0.03
max

16.0

~18.0

0.75 max

 

58 HRC
max

KS440

ACD34

X65Cr13

0.60 ~ 0.75

1.00
max

1.00
max

0.03
max

0.02
max

11.5
~13.0

0.3 max

 

60 HRC
max

AISI420

SUS420

X20Cr13

0.26 ~ 0.35

1.00
max

1.50
max

0.04
max

0.03
max

12.0
~14.0

 

 

55 HRC
max

AISI304

SUS304

X5CrNi1810

0.08
max

0.75
max

2.00
max

0.045
max

0.03
max

18.0
~20.0

 

8.0
~ 10.5

39 HRC
max

AISI316

SUS316

X5CrNiMo17-12-2

0.08
max

1.00
max

2.00
max

0.045
max

0.03
max

16.0
~18.0

2.0
~ 3.0

10.0
 ~14.0

39 HRC
max

(b) Steel grades for  ITS bearings

Component

Chrome steel bearings

Stainless steel bearings

Inner and Outer Rings

SAE52100 / SUJ2 / 100Cr6

KS440 / ACD34 / X65Cr13

Balls

SAE52100 / SUJ2 / 100Cr6

AISI440C / SUS440C / X105CrMo17

Shield

SPCC steel strip

AISI304 / SUS304 / X5CrNi1810

Cage

SPCC steel strip

AISI304 / SUS304 / X5CrNi1810

or

AISI420 / SUS420 / X20Cr13

Prev：

CRONIDUR 30 high nitrogen martensitic stainless steel

Next：

A guide to material selection for rolling bearings

Return to list

STAY CONNECTED

Subscribe →

©2026 ITS BEARING.  All rights reserved  Powered by www.300.cn  SEO  Privacy Policy  

Business license

COOKIES

Our website uses cookies and similar technologies to personalize the advertising shown to you and to help you get the best experience on our website. For more information, see our Privacy & Cookie Policy

COOKIES

Our website uses cookies and similar technologies to personalize the advertising shown to you and to help you get the best experience on our website. For more information, see our Privacy & Cookie Policy

These cookies are necessary for basic functions such as payment. Standard cookies cannot be turned off and do not store any of your information.

These cookies collect information, such as how many people are using our site or which pages are popular, to help us improve the customer experience. Turning these cookies off will mean we can't collect information to improve your experience.

These cookies enable the website to provide enhanced functionality and personalization. They may be set by us or by third-party providers whose services we have added to our pages. If you do not allow these cookies, some or all of these services may not function properly.

These cookies help us understand what you are interested in so that we can show you relevant advertising on other websites. Turning these cookies off will mean we are unable to show you any personalized advertising.

中企跨境-全域组件 2.0 制作前进入CSS配置样式

在线客服添加返回顶部

启用全局默认滚动动画 (向上滚动)

屏蔽页面上图片的alt/title提示

右侧在线客服样式 1,2,3 3

图片alt标题设置： ITS BEARING

表单验证提示文本： The content cannot be empty!

循环体没有内容时： Sorry, no match found.

CSS / JS 文件放置地