Model: B1OF
Material: Simrit 72 NBR 902

1. Features
OD: metal skeleton
Sealing lip without spring
2. Materials

Simrit 72 NBR 902:
Hardness of 72 Shore A NBR
Metal skeleton: DIN1624 low-carbon steel
3. Operating conditions

Media: Grease
T: -40 ℃ ~ + 100 ℃
v: to 6m / s
p: - maximum allowable value and other operating conditions

4. Advantages

Simple sealing element with auxiliary equipment
For sealing grease
Used to prevent mild to moderate secondary seal dust and dirt
5. cavity and machining standards

Axis: Tolerance: ISO h 11
     Concentricity: IT 8
     Roughness R a = 0,2 - 0,8 μm
         R z = 1,0 - 5,0 μm
         R max = <6,3 μm
     Hardness: 45-60 HRC
     Finish: no to the state, preferably with a cross feed grinding
Cavity: Tolerance: ISO H8
     Roughness: R z = 6,3 - 16 μm

6. Install
Press DIN3760 regulations, careful installation is to ensure a good seal function prerequisite

¢ d1 shaft diameter size range
B1OF: 8mm ~ 65mm