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  • Square Hole Bronze Bushing for HVAC / Fire & Smoke Damper
Square Hole Bronze Bushing for HVAC / Fire & Smoke Damper

Square Hole Bronze Bushing for HVAC / Fire & Smoke Damper

  • Oil Retaining: 12%~18%
  • Hardness: HB20~HB50
  • Crushing Strength: >150MPa (18%)
  • Max. Speed: 4m/s
  • Product description: Square Hole Bronze Bushing for HVAC / Fire & Smoke Damper
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Square Hole bronze bushing for HVAC / Fire & Smoke Damper

Oil Sintered Bearing is made of bronze or iron or stainless steel powder with lubricating oil vacuum sintered. It is mold pressed by high pressure then sintered in high temperature, after that, put it in high temperature vacuum and soaked in oil. This bearing is used in electrical appliances, power tools, textiles machinery and automobile industry. Like electrical fan, electrical motor, juicer, mixture, etc.


oil sintered bushing






Technical Data


FZ21

FZ22

FZ14

FZ11

Bronze Material

CuSn6Zn6Pb3

Cu90Sn10

Cu20-Fe80

Fe

Oil Retaining

12%~18%

19%~24%

17%~19%

12%~18%

Crushing Strength

(Radial)

>150MPa (18%)

>200MPa (12%)

>130MPa (24%)

>180MPa (19%)

>210MPa (19%)

>280MPa (17%)

>200MPa (18%)

>250MPa (12%)

Max. Linear Speed

4m/s

5m/s

15m/s

10m/s

Max. PV

8 N/mm2 * m/s

10 N/mm2 * m/s

8 N/mm2 * m/s

10 N/mm2 * m/s

Hardness

HB20~HB50

HB20~HB50

HB30~HB60

HB40~HB70

Products Standard: ISO2795 (DIN1850 Part 3)


Recommend Tolerance

Bearing Grade

I.D.

O.D.

Housing

Shaft (max.)

Shaft (min.)

7

G7

r7

H7

e6

d6

8

E8

s8

H8

d7

c7

9

C9

t9

H8

d8

c8


HVAC Square Bronze Bushing




Catalogue


Click here to download catalogue of PM oil sintered bearing