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Replacement Parts BEARING-SPF 6y4457 Suitable for Caterpillar, New

BEARING-SPF 6y4457 Suitable for Caterpillar

Part Name: BEARING-SPF 6y4457

Part Number: 6y4457

Parts no.6y4457
 Materialsteel
TypeBEARING-SPFParts TypeEngineering machinery parts
CompatibilityCaterpillar Transport PackageWooden box
TrademarkDIRON OriginLuoyang City
HS Code84099991 Production Capacity5000PCS/Year
BEARING-SPF 6y4457 Suitable for Caterpillar
  • Date First Listed:2025/12/22
  • Manufacturer:Diron Parts
  • Part Type:BEARING-SPF
  • Description: suitable for Caterpillar

The 6Y-4457 is a high-load aftermarket self-aligning spherical plain bearing designed for heavy-duty linkage pivot points on Caterpillar® medium and large hydraulic excavators. Featuring a hardened steel outer ring with PTFE-lined inner race, this bearing accommodates misalignment, absorbs shock loads, and provides smooth articulation in extreme digging and swinging conditions.

Key Features & Benefits

  • Hardened steel outer ring with phosphate coating for superior strength and corrosion resistance
  • PTFE fabric liner bonded to inner ring – maintenance-free, no greasing required
  • Excellent misalignment capability (±8° typical) for reduced stress on pins and bores
  • High radial load rating and outstanding shock-load resistance
  • Sealed design prevents contaminant ingress in dusty and wet environments
  • Temperature range –40 °C to +120 °C with low-friction operation

Common Applications (Caterpillar® Compatibility)

  • Hydraulic Excavators: – 320B, 320C, 320D, 322B, 322C, 325B, 325C, 325D – 330B, 330C, 330D
  • Typical locations: – Boom-to-stick and stick-to-bucket linkage joints – Bucket cylinder head-end mounts – Swing bearing and frame connections (select models)

Technical Specifications

  • Part Number Reference: 6Y-4457
  • Type: Maintenance-free spherical plain bearing (GE...TE-2RS equivalent)
  • Inside Diameter (ID): 80 mm
  • Outside Diameter (OD): 120 mm
  • Width (outer ring): 55 mm
  • Width (inner ring): 45 mm
  • Radial Load Rating: ≈ 500 kN static
  • Weight: ≈ 3.2 kg

Important Note:

  • We only provide replacement products intended for aftermarket use in the Caterpillar machinery listed above. The brand name Caterpillar is used solely as reference information to indicate compatibility and does not imply that our products are OEM.
  • Note: While this description provides general information, specific details such as size, weight and exact material may vary by manufacturer and specific application. To obtain the most accurate and up-to-date information, it is recommended to consult a qualified parts supplier such as DIRON PARTS.

Q1. What is your terms of packing?

A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.

Q2. What is your terms of payment?

A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.

Q3. What is your terms of delivery?

A: FOB

Q4. How about your delivery time?

A: Generally, it will take 20 to 30 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

Q5. Can you produce according to the samples?

A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

Q6. What is your sample policy?

A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.

Q7. Do you test all your goods before delivery?

A: Yes, we have 100% test before delivery

Q8. How do you make our business long-term and good relationship?

A:1. We keep good quality and competitive price to ensure our customers benefit ;
   2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from

  • Factory OF DIRON

Diron Parts Group Have Its Own Factory Ensure That We Offer Better Price For Customers. Besides, Diron Corporate With Some Reliable Principal Manufacturers, So Diron Also Supply Customer Other Quality Spare Parts.

  • Team OF DIRON

With 18 years of manufacturing and exporting experience, Diron has a team of knowledgeable engineers, inspectors and technical workers, sales staff, after-sales personnel.

  • Products OF DIRON

As a distributor, we supply parts covers for :Complete engines, Long block, Short block, Engine spare parts, Electricla products, Hydraulic products, Transmission products, Undercarridge products.Among them, Cylinder head, Cylinder block, Spacer-plate, Bushing & Pin are our best-selling products.



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