Cat. No. B-18-3E

HMUC type

Highly Anti-Corrosive Bearings
Newly adopted heat treatment
process（HNT technology）signiﬁcantly improves

corrosion resistancecompared to conventional
materials（SUS440C）.

SUJ2

SUS440C

HNT heat treated steel

Salt spray test
JIS H 8502（100H）

Combined cycle test
JIS H 8502（100H）

Immersion testin citric acid solution
at 5% concentration,
PH1.9（100H）

Immersion test insodium hypochloritesolution
at 0.1% concentration,
PH10.2（100H）Gre atly im pr ov e d co r r o si on res i s ta n c e to c h em i c a l s
in t he range of w e ak aci d to a l k a l i
Excellent performance against commonly used bactericides andcleaning agents, and Ideal for use in food-related conveying machinery and in coastal areas.

Highly Anti-Corrosive Bearings◆ Description
Outer ring Width
O.D. (mm) (mm)Shaft Dia.(mm)Par t No.

dD

Set-screw

Basic dynamic load(kN)

BdsCrCorHMUC201

φ12 +0.015〜0 Sφ4731

M5X0.810.9

5.3

HMUC202

φ15 +0.015〜0 Sφ47

31

M5X0.810.9

5.3

HMUC203

φ17 +0.015〜0 Sφ4731M5X0.8

10.9

5.3

HMUC204

φ20 +0.018〜0 Sφ4731

M5X0.810.9

5.3

HMUC205

φ25 +0.018〜0 Sφ52

34.1

M5X0.811.9

6.3

HMUC206

φ30 +0.018〜0 Sφ6238.1

M5X0.816.7

9HMUC207

φ35 +0.021〜0 Sφ72

42.9

M6X0.75

2212.3

HMUC208

φ40 +0.021〜0 Sφ80

49.2

M6X0.75

24.9

14.3

HMUC209

φ45 +0.021〜0 Sφ85

49.2

M6X0.75

28.1

16.4

HMUC210

φ50 +0.021〜0 Sφ90

51.6

M8X130.2

18.6

Those insert bearings can be assembled in stainless steel housings (SUS304)
for all sizes, and thermoplastic housings only up to HMUC208.
Refer to corresponding catalogues for its housing dimensions.

◆ Materials
PartsMaterial

Inner & outer rings

HNT heat treated steel

Ball

SUS440C

Retainer

SUS304

Rubber seal

NBR

Set-screw

SUS410

LubricantFood grade grease● Factory-lubricated with NSF H1 approved grease

Excellent water & heat resistance and durability.
It can be replaced by designated grease upon request.
● Range of operating temperature◆ Chemical Corrosion ResistanceChemicalNormal to 100℃
Please consult us if the operating temperature isbeyond the above range.

Material
SUJ2SUS440CHNT heattreated steel

Sodium hypochlorite solution

×△◎Acetic acid××○Citric acid××○Phosphoric acid××○Seawater×△◎

Test status ( image : immersed in phosphoric acid )SUS440C

HNT heat treated steel◎ : Excellent ○ : Good △ : Fair × : Not recommended※ This data is set independently based on the test results under the same conditions.

https://www.asahiseiko.co.jp● FOREIGN TRADE DEPARTMENT● CHINA OFFICE● U.S.A. OFFICE● HEAD OFFICE & FACTORY

570-1 , Otori-Higashi-machi 6-cho , Nishi-ku , Sakai City , Osaka
593-8324 , Japan
Tel : +81-72-272-6900 Fax : +81-72-272-6903
E-mail : info@asahiseiko.co.jp
570 North Wheeling Road , Mount Prospect , Illinois 60056 ,U.S.A.
Tel : +1-847-759-0620 Fax : +1-847-759-0630

ROOM#101 , Xuyuan Building , #5003 , Longgang Road ,Nanlian Community , Longgang District , Shenzhen City ,Guangdong Province , 518116 , China
Tel : +86-755-23605700 / 23902930 Fax : +86-755-83376159570-1 , Otori-Higashi-machi 6-cho , Nishi-ku , Sakai City , Osaka
593-8324 , Japan
Tel : +81-72-271-1221 Fax : +81-72-273-0058※ Appearance, dimensions and speciﬁcations are subject to change without prior notice.

2021.8.cdp