Model: B2FUD (DIN3760 B type)
Material: Simrit 72 NBR 902

1 Features
Cylindrical: metal skeleton
Metal insert
Spring-loaded sealing lip
Molded sealing edge finishing, mechanical deburring.
2 Materials

Simrit 72 NBR 902:
Nitrile rubber hardness of 72 Shore A
Metal cylindrical and plug-ins: DIN1624 low-carbon steel
Spring: 17223 spring steel
3 operating conditions

Medium: mineral oils, synthetic oils, greases and
T: -40 ℃ ~ +100 ℃, short-term up to +120 ° C
v: see catalog page 4 Figure
p: 0.02 MPa (0.2 bar), the maximum permissible value and other operating conditions.

4 Benefits

Widely used in various fields of industry
Metal the cylindrical seal ring installed in the bore particularly strong and precise, the cylindrical sealing low viscosity and gases.
Installation quit sealant is recommended in the outer coating.
Cavity and machining standard

Axis: Tolerance: ISO h 11
    Concentricity: IT 8
    Roughness R a = 0,2 - 0,8 m
        R z = 1,0 - 5,0 μm
        R max = <6,3 μm
    Hardness: 45-60 HRC
    Finish: None to the state, it is best to use horizontal feed grinding
Cavity: Tolerance: ISO H8
    Roughness: R z = 6,3 - 16 μm

6 Install

Required by DIN3760, careful installation is a prerequisite to ensure good seals

Shaft ¢ D1 size range
B2FUD: 15mm ~ 190mm
B2FUDSL: 45mm ~ 125mm