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Email icon Stainless steel and miniature ball bearings SMB logo Stainless Flanged Chrome Flanged

Stainless steel miniature bearings for shaft sizes from 0.6mm to 9mm.An open stainless steel miniature bearing

SMB Bearings supply a range of stainless steel miniature ball bearings from stock in the UK with bore sizes as small as 0.6mm. The bearings in the table below are available open, shielded or sealed. Stainless steel gives these miniature bearings corrosion resistance. We also supply corrosion resistant miniature bearings in other materials such 316 stainless steel or acetal resin.


These small stainless steel bearings are sometimes referred to as instrument bearings or micro bearings. We provide stainless steel metric sizes for applications as varied as medical instruments, gyros, anemometers and fishing reels.  


Our metric stainless steel miniature ball bearings are supplied in AISI440C or KS440 (ACD34/X65Cr13) stainless steel and can withstand heavy radial loads and moderate thrust loads in both directions. Certain sizes can be supplied with the TW high-speed synthetic cage.


For chrome steel miniature bearings, click on the “Chrome” tab below.


For corrosion resistant, stainless steel flanged miniature bearings, click on the “Stainless Flanged” tab below

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Stainless Chrome

BORE

(mm)

O.D.

(Mm)

OPEN BEARING

SHIELDED BEARING

SEALED BEARING

WIDTH

(mm)

SMB

REFERENCE

MORE INFO

WIDTH

(mm)

SMB

REFERENCE

MORE INFO

WIDTH

(mm)

SMB

REFERENCE

MORE INFO

0.6

2.5

1

S68/0.6

info







1

3

1

S681

info







3

1.5

SMR31

info







4

1.6

S691

info







1.2

4

1.8

SMR41X

info

2.5

SMR41XZZ

info




1.5

4

1.2

S681X

info

2

S681XZZ

info




5

2

S691X

info

2.6

S691XZZ

info




6

2.5

S601X

info

3

S601XZZ

info




2

4

1.2

S672

info

2

S672ZZ

info




5

1.5

S682

info

2.3

S682ZZ

info




5

2

SMR52

info

2.5

SMR52ZZ

info




6

2.3

S692

info

3

S692ZZ

info




6




2.3

S692ZZW23

info




6

2.5

SMR62

info

2.5

SMR62ZZ

info




7

2.5

SMR72

info

3

SMR72ZZ

info




7

2.8

S602

info

3.5

S602ZZ

info




2.5

6

1.8

S682X

info

2.6

S682XZZ

info




7

2.5

S692X

info

3.5

S692XZZ

info




8

2.5

SMR82X

info







8

2.8

S602X

info

4

S602XZZ

info




8




2.8

S602XZZW28

info




3

6

2

SMR63

info

2.5

SMR63ZZ

info




6




3

SMR63ZZW3

info




7

2

S683

info

3

S683ZZ

info




8

2.5

SMR83

info

3

SMR83ZZ

info




8

3

S693

info

4

S693ZZ

info




9

2.5

SMR93

info

4

SMR93ZZ

info




9

3

S603

info

5

S603ZZ

info




10

4

S623

info

4

S623ZZ

info

4

S623-2RS

info

13

5

S633

info

5

S633ZZ

info

5

S633-2RS

info

4

7

2

SMR74

info

2.5

SMR74ZZ

info




8

2

SMR84

info

3

SMR84ZZ

info




9

2.5

S684

info

4

S684ZZ

info

4

S684-2RS

info

9




3.5

S684ZZW35

info




10

3

SMR104

info

4

SMR104ZZ

info




11

4

S694

info

4

S694ZZ

info

4

S694-2RS

info

12

4

S604

info

4

S604ZZ

info

4

S604-2RS

info

13

5

S624

info

5

S624ZZ

info

5

S624-2RS

info

16

5

S634

info

5

S634ZZ

info

5

S634-2RS

info

5

8

2

SMR85

info

2.5

SMR85ZZ

info




8




3

SMR85ZZW3

info




9

2.5

SMR95

info

3

SMR95ZZ

info




10

3

SMR105

info

4

SMR105ZZ

info

4

SMR105-2RS

info

11




4

SMR115ZZ

info




11

3

S685

info

5

S685ZZ

info

5

S685-2RS

info

13

4

S695

info

4

S695ZZ

info

4

S695-2RS

info

13




5

S695ZZW5

info




14

5

S605

info

5

S605ZZ

info

5

S605-2RS

info

16

5

S625

info

5

S625ZZ

info

5

S625-2RS

info

19

6

S635

info

6

S635ZZ

info

6

S635-2RS

info

6

10

2.5

SMR106

info

3

SMR106ZZ

info

3

SMR106-2RS

info

12

3

SMR126

info

4

SMR126ZZ

info

4

SMR126-2RS

info

13

3.5

S686

info

5

S686ZZ

info

5

S686-2RS

info

13




4.5

S686ZZW45

info

4.5

S686-2RSW45

info

15

5

S696

info

5

S696ZZ

info

5

S696-2RS

info

16




5

S696AZZ

info


S696A-2RS

info

17

6

S606

info

6

S606ZZ

info

6

S606-2RS

info

19

6

S626

info

6

S626ZZ

info

6

S626-2RS

info

22

7

S636

info

7

S636ZZ

info

7

S636-2RS

info

7

11

2.5

SMR117

info

3

SMR117ZZ

info




13

3

SMR137

info

4

SMR137ZZ

info




14

3.5

S687

info

5

S687ZZ

info

5

S687-2RS

info

17

5

S697

info

5

S697ZZ

info

5

S697-2RS

info

19

6

S607

info

6

S607ZZ

info

6

S607-2RS

info

22

7

S627

info

7

S627ZZ

info

7

S627-2RS

info

8

12

2.5

SMR128

info

3.5

SMR128ZZ

info




14

3.5

SMR148

info

4

SMR148ZZ

info




16

4

S688

info

5

S688ZZ

info

5

S688-2RS

info

16




4

S688ZZW4

info

4

S688-2RSW4

info

16




6

S688ZZW6

info

6

S688-2RSW6

info

19

6

S698

info

6

S698ZZ

info

6

S698-2RS

info

22

7

S608

info

7

S608ZZ

info

7

S608-2RS

info

24

8

S628

info

8

S628ZZ

info

8

S628-2RS

info


28

9

S638

info

7

S638ZZ

info

7

S638-2RS

info

9

14

3

S679

info

4.5

S679ZZ

info




17

4

S689

info

5

S689ZZ

info

5

S689-2RS

info

17




6

S689ZZW6

info

6

S689-2RSW6

info

20

6

S699

info

6

S699ZZ

info

6

S699-2RS

info

24

7

S609

info

7

S609ZZ

info

7

S609-2RS

info

26

8

S629

info

8

S629ZZ

info

8

S629-2RS

info

Stainless Steel Miniature Bearings