Catalog Number: T75022558

OEM Number: 50X70X8VSB-BX

Industry Part Number: 50X70X8VSB-BX

PRODUCT TYPE: Radial Shaft Seal

Seal Profile: WB

Lip/Base Material: 80 Viton Brown

Commodity Code: 4016930000

Country of Origin: Taiwan

PRODUCT SPECIFICATIONS

Series: WB
Type: Single Lip
Inside Diameter: 50MM
Outside Diameter: 70MM
Width: 8MM
Material: 80 Viton Brown

DESIGN SPECIFICATIONS

With tension spring
Without protective lip
Open metallic outer jacket
Sealing material: NBR, FKM
Material stiffening plate: Unalloyed steel DIN EN
10139 (DIN 1624)
Spring material: Spring steel DIN EN 10270-1

FUNCTION

Dynamic sealing of rotating shafts, independent of direction of rotation
Good static seal between sealing lip and shaft at standstill
Metallic outer jacket ensures tight and precise fit
Limited sealing of low-viscosity and gaseous media and in split housings

PRODUCT ADVANTAGES

Tight and precise fit
Long service life
Reliable design with broad application spectrum for moderately demanding applications in general industry
Good price/performance ratio
Manufactured by certified external suppliers

COMMON APPLICATIONS

Sealing of rotating machine elements (shafts, hubs, axles)
Use with pressurization

APPLICATION LIMITS

Pressure [Mpa]: max. .05
The values given here are maximum values and may not all be reached at the same time
NBR

Temperature [°C]: -40 to 80, short-term up to 100
Peripheral speed [m/s]: max. 10

FKM

Temperature [°C]: -25 to 150
Peripheral speed [m/s]: max. 34

MEDIA RESISTANCE
NBR

Good chemical resistance to various mineral oil and greases (H, HL, HLP)
Flame-retardant hydraulic fluids HFA and HFB, HFC up to appr. +50°C
Water up to max. +60°C
Low resistance to ozone, weathering and ageing

FKM

Good chemical resistance to mineral oils and greases, synthetic oils and greases, engine, gearbox and ATF oils up to approx. +150 °C
Fuels, flame-retardant pressure fluids HFD, aliphatic, aromatic and chlorinated hydrocarbons
Water up to max. +60°C
Very good resistance to ozone, weathering and ageing

DESIGN GUIDELINE

Stiffening ring non-alloy steel according to DIN EN 10139
Design of the installation space is recommended in accordance with DIN 3760
Roundness of shaft - tolerance class IT8 - free of twists, burrs and damage of any kind
Shaft surface roughness Rz = 1.0 to 4.0 ?m
Hardness of shaft surface min. 45 HRC
Housing surface roughness Rz = 10 to 20 ?m
Shaft tolerance zone: ISO h11
Housing tolerance zone: ISO H8

INSTALLATION GUIDELINE

Clean the installation space carefully before installation, remove dust, dirt, metal chips, etc
Do not pull the seal over sharp edges, threaded tips or cavities (feather key grooves) during installation, cover with a mounting sleeve if necessary
Do not grease the seal or installation space for assembly
Careful installation on the shaft, tilting is not permitted

STORAGE ADVISE

Storage temperature <25°C
No direct heat sources
No direct sunlight
No condensation in the storage room
No exposure to ozone or ionizing radiation
Recommendations based on the revision of ISO 2230 dated 16.09.1992

MAXTRAN® offers a 30-Day, 100% Quality Guarantee Against Material and Manufacturing Defects Only, No Exceptions. All Claims must be made within 72-Hours of receiving your parts. MAXTRAN® is not responsible for Shipping Carrier damage or lost shipments. It is the customers responsibility to file a claim with the shipping carrier. No additIonal or implied warranties for this product are offered by MAXTRAN®. An RGA is required for all returns. We do not offer refunds without a replacement order of equal or greater value from the original order. If products are out-of-stock when a replacement is needed a store credit will be issued. Returns are only allowed for manufacturing defects and product damage. A 30% Restock Fee will be charged for all approved returns unless the product is dispositioned to be defective by our Quality Manager . All Shipping is non-refundable and any return shipping to our warehouse is the customers responsibility.