Oil seal OS-B12
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Oil Seal FKM Type: OS-B12
Dimensions: 10 x 15 x 3Part number: 6525887Delivery time: 4 weeksMore Details - Oil Seal NBR Type: OS-B12
Dimensions: 10 x 16 x 4Part number: 27201Delivery time: 4 weeksMore Details - Oil Seal FKM Type: OS-B12
Dimensions: 10 x 16 x 4Part number: 6525890Delivery time: 4 weeksMore Details -
OS-B12
Description
- Metal OD
- Non-spring-loaded sealing lip
Special features
- Non-spring-loaded lip design for secondary sealing jobs e.g., grease sealing
- Low friction
- Compact design
- Little installation space
- Firm and exact fit inside the housing
- Be careful when using the product in connection with light metal housings, housings with increased surface roughness and applications with overpressure: Apply sealing aid to the outside diameter if necessary. A version with outside diameter coated with bore sealant is available on request.
Applications e.g.:
- Secondary sealing jobs
- Mechanical and apparatus engineering
- Drive systems
- Electric motors
Materials
Standard material
| Elastomer | NBR 70 black |
| Metal case | Carbon steel according to DIN EN 10139 |
Special materials
| Elastomer | FKM |
| Silicon | |
| ACM | |
| HNBR | |
| CR | |
| EPDM | |
| Metal case | Stainless steel 1.4301 |
Application parameters
For the standard materials combination
| Temperature | -40°C to +100°C |
| Pressure | depressurized |
| Shaft speed | max. 6 m/s (and acc. to chart) „Operating parameters for rotary shaft seals“ |
| Media | Mineral oil based lubricants, synthetic lubricants |
When synthetic lubricants are used for which there is no empirical experience, test the compatibility in the laboratory or - better even - in practical trials. The operating temperature should not exceed 80°C.
Design information
Shaft
| Tolerance | ISO h11 |
| Hardness | min. 45 HRC |
| Roughness | Ra = 0,2 - 0,8 μm |
| Rz | 1-5 μm |
| Rmax | ≤ 6,3 μm |
| Surface finish | free of orientation (lead free) |
Housing bore
| Tolerance | ISO H8 |
| Roughness | Ra = 0,8 - 3,2 μm |
| Rz | = 6,3 - 16 μm |
| Rmax | ≤ 16 μm |
Installation
Please read our installation instructions.
Mineral oil based lubricants,
