Catalog Number: 67123509

Transcom Part Number: VA-075

National Original Part Number: 800750

PRODUCT TYPE: V-Rings

Country of Origin: Taiwan

Commodity Code: 4016930091

PRODUCT SPECIFICATIONS

Series: VA
Inside Diameter: 2.638 Inch
Width: 0.433 Inch
Material: 60 Nitrile Black

DESIGN SPECIFICATIONS

Standard design
Stiffening body, joint and sealing lip
Material: NBR, FKM

FUNCTION

Sealing against dust, dirt, grease, oil or water splashes
Protects radial shaft seals or bearings from abrasive ambient conditions as a primary sealing element (lip seal or flinger ring)
Good for use in combination with rotary shaft seals

PRODUCT ADVANTAGES

Good dynamic sealing effect
Compensation of small axial movements as well as angular and radial misalignments
Low requirements on surface quality of the mating surface
Friction decreases with increasing peripheral speed
Reliable design with broad application spectrum for moderately demanding applications in general industry
Good price/performance ratio
Manufactured by certified external suppliers

COMMON APPLICATIONS

General mechanical engineering
Plant engineering
Drive technology
Electric motors
Gearboxes
Agricultural machinery
Rolling mills
Bearing pedestal seal

APPLICATION LIMITS
Pressure [Mpa]: max. 0
The values given here are maximum values and may not all be reached at the same time
NBR

Temperature [°C]: -40 to 100
Peripheral speed [m/s]: max. 8
For circumferential speeds ? 8 m/s, axial securing is required, for ?12 m/s additional radial securing is required

FKM

Temperature [°C]: -20 to 200
Peripheral speed [m/s]: max. 6.5
At circumferential speed ? 6.5 m/s, axial securing is required, at ?10 m/s radial securing is also required

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

Shaft surface roughness Rz = 1.0 to 4.0 ?m
No surface shape deviations or defects such as sharp edges, burrs, blowholes, waviness, elevations or damage permitted
Chamfer on shaft 10-20°, polished transition
Mating surface should be at right angles to the shaft
Counterface surface roughness Ra ? 2 ?m
Hardness of mating surface depends on the material and medium
Shaft tolerance zone: ISO h11

Construction steel and sludge

125 - 150 HV

Grey cast iron and sludge, dust

190 - 270 HV

Cast bronze and water, dust

100- 160 HV

Cast aluminum and splash water

90 - 160 HV

Stainless steel and water

150 - 200 HV

INSTALLATION GUIDELINE

Deburr sharp edges, provide with seamless chamfers and radii
V-ring can be temporarily expanded by up to 20% for installation

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.