OIL SEAL OSB
The OSB profile is a metal outer seal, with a single lip and inverted sealing. The lip that performs the sealing function is placed on the outside, with the integrated spring.
CHARACTERISTICS
- Good radial rigidity, particularly for large diameters.
- Excellent stability after installation, effectively preventing any rebound effect.
- Sealing for low- and high-viscosity fluids
- Modern primary sealing lip with low radial forces
See our gInstallation guide for oil seals to perform a correct installation of the seal.
| ø | ºC | bar | m/s |
|---|---|---|---|
|
15-790 mm |
-40ºC + 200ºC |
≤ 0.3 bar |
≤ 10 m/s |
MATERIALS
Elastomer
NBR 70-75 Shore A
FKM 75-80 Shore A
VMQ 70-75 Shore A
ACM 70-75 Shore A
EPDM 70-75 Shore A
HNBR 70-75 Shore A
Metal casing
AISI 1060-90 - AISI 304 - AISI 316
Spring
AISI 1060-90 - AISI 302 - AISI 304 - AISI 316
TOLERANCES FOR THE OUTSIDE DIAMETER OF THE OIL SEAL
| Housing diameter | Metal cage | Elastomeric coating | Housing with grooves |
|---|---|---|---|
| ≤50.0 | +0.10 / +0.20 | +0.15 / +0.30 | +0.20 / +0.40 |
| <50.0 ≤80.0 | +0.13 / +0.23 | +0.20 / +0.35 | +0.25 / +0.45 |
| <80.0 ≤120.0 | +0.15 / +0.25 | +0.20 / +0.35 | +0.25 / +0.45 |
| <120.0 ≤180.0 | +0.18 / +0.28 | +0.25 / +0.45 | +0.30 / +0.55 |
| <180.0 ≤300.0 | +0.20 / +0.30 | +0.25 / +0.45 | +0.30 / +0.55 |
| <300.0≤500.0 | +0.23 / +0.35 | +0.30 / +0.55 | +0.35 / +0.65 |
| <500.0 ≤630.0 | +0.23 / +0.35 | +0.35 / +0.65 | +0.40 / +0.75 |
TOLERANCE FOR THE INNER DIAMETER OF THE SEAL
The inner diameter of the sealing lip is always smaller than the shaft diameter. Depending on the shaft size, the sealing lip diameter is generally between 0.8 and 3.5 mm smaller than the shaft diameter.
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