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Ferrofluid Seals Type Definition
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AF Series - JIS Flange Ferrofluid Seal

　

  • Metric ball bearings

  • Four-hole JIS* flange (other flange types available)

  • VG and VF specification available

  • 30 psi differential pressure

  • 300 stainless steel body

  • 400 stainless steel shaft

  • Hydrocarbon-based ferrofluid
　 　
TYPES AF-010-G AF-010-F AF-012-G AF-012-F AF-020-G

AF-020-F
Maximum torque (kg·cm)

100

 180 900
O-ring groove Yes No Yes No Yes No
Flange Type VG20* VF20* VG25* VF25* VG40* VF40*
Static bearing capacity (kgf) 350 425 800
Dynamic bearing capacity (kgf) 825 990 1620
A: Shaft diameter (mm) 10 12 20
B: Shaft overall length (mm) 132.4 144.4 162.4
C: Body length (mm) 82.4 84.4 92.4
D: Body diameter (mm) 45 48 61
E: Keyway (mm) 3W×1.8D×14L 4W×2.5D×20L 6W×3.5D×25L
F: Shaft extension, vacuum side (mm) 25 30 35
J: Flange diameter (mm) 80 90 105
K: Flange thickness (mm) 10 10 10
N: Mounting holes (mm) PD60/4-Φ10 PD70/4-Φ10 PD85/4-Φ10

* JIS stands for Japanese Industrial Standard. VG20, VG25, VG40, VF20, VF25, and VF40 conform to JIS B 2290 which defines the flange dimensions for vacuum uses.  Alternative flange types that confirms to ISO 1609 or DIN 28404 could be made to order.
　 　

　

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Last Update: 08.23.2006