KO4900 Floating Seals GNL Replacement Parts

Home > Category > Seal group for Hitachi Aftermarket  > KO4900 Floating Seals GNL Replacement Parts

KO4900 Floating Seals GNL Replacement Parts

  • 1.Lifetime:5000Hours/8000hours
  • 2.Hardness:58-62HRC/62-68HRC
  • 3.Material of Steal:100cr6/Gcr15/15cr3Mo
  • 4.Material of Rubber: Nitrile/ Silicone/ Viton
  • 5.Process: Forging & Casting
  • 6.Warranty:18 months
  • 7.Demension(inside diameters):38mm-1000mm
  • 8.Package:neutral packing or Rvton packing
  • 9.OEM for all kinds of Brands.
  • 10.Stocks: yes
  • Product Details
One SET= 2 metal rings +2 rubber rings
+=
Specifications of Metal ring
Material
Gcr15/ 100Cr6 Cast 15Cr3Mo
Surface smoothness/Roughness ≤Ra0.2μm 6.3-12.5μm
Work face smoothness ≤Ra0.15μm ≤Ra0.1μm
Pressure loading ≤0.15MPa ≤0.3 MPa
Forging line speed 2m/s 3m/s
Temperature range —100~200℃ -40~160°C
Hardness(HRC) 58-62 60-68
Lifetime(Hours) 3000 5000
Specifications of rubber ring 
Material  NBR  SILICONE  FKM
 Hardness  60°~ 65°  60°~ 65°  72°~ 78°
 Minimum tensile strength  11MPa  10.6Mpa  11MPa
 Minimum elongation at break  300%  400%  260%
 Permanent deformation  12%  8%  25%
 Temperature range  -40℃- +120℃  -49℃- +230℃  -30℃- +250℃

 






 



Application

-- Farm, construction, earthmoving, coal mining machinery

-- Excavator, Bulldozer, tractor, cranes, forklift, Heavy truck, backhoe

-- Undercarraige, hydraulic motor, travel motor, gearbox axle, wheel hub,tunneling




 


packing & Shipping

 


Packing : neutral packing, yellow box, and welcome your logo in packing

Shipping: FOB Shanghai, Ningbo, Shenzhen, xiamen as per request.




Common questions


Q: Are you the manufacturer?
A: Yes, we are

Q: Are you providing OEM service?
A: Yes, and MOQ is 1pcs

Q: How do you control the quality?
A: 100% inspect the size in each procedure before a seal is exported.

Q: How long is the delivery time?
A: For cart size is only 1 day, for non-standard usually 1 month

Q: Gurantee using life time?
A: 5000 hours

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