Track Roller Bottom Roller Fits for Caterpillar CAT 304 304.5 305 305.5 306 1584765
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Product details
| Management number | 220407854 | Release Date | 2026/05/03 | List Price | $63.60 | Model Number | 220407854 | ||
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Package Include: 1x Track Roller （As Shown） Application: For Caterpillar Cat 304 304.5 305 305.5 306 Specifications： Bottom Roller Weight：19.84 pounds Package Dimensions：6.69"X6.69"X10.6" Item Package Quantity：1 x Bottom Roller Color:Black Material: 50 MnB Steel Surface Hardness: HRC52-58, Deepth:5mm-10mm Finish:Smooth Technique: Forging and Casting Description： 1. Wheel body: material 50 Mn, hardening hardness HRC 25-28, CASE hardening hardness HRC 52-56, hardening thickness 5-8mm. 2. Side cover: QT 450-10, strength as follows: tensile strength ob (MPa): 2450 yield strength 00.2 (MPa): 2310 hardness: 160 ~ 210 hb. 3. Roller: 45 # carbon steel or 40 Cr. Quenching of HRC25-30 and surface quenching of HRC 52-58. Hardening depth of 2-3mm. 4. Lock pin 65 Mn or 45 carbon steel, hardness HRC 25-28. 5. Bolts, grade 12.9, HRC 45-52. 6. Seal: nitrile rubber. Operating temperature range-20℃ to 110℃. Why choose us? What are the advantages of our product? 1.This bottom roller is a durable undercarriage replacement part for your excavator. 2.Our rollers utilize special high strength-hardened steel and quality seal groups that provide excellent lubricating oil retention. 3.Sealed bearings stop dirt, mud, and grime from penetrating inner components. 4.It was designed and manufactured to exact OEM specifications using a high-quality, high-strength steel. 5.It will provide long-lasting and dependable performance even if you operate in the most extreme conditions.
- Wheel body: material 50 Mn, hardening hardness HRC 25-28, CASE hardening hardness HRC 52-56, hardening thickness 5-8mm.
- Side cover: QT 450-10, strength as follows: tensile strength ob (MPa): 2450 yield strength 00.2 (MPa): 2310 hardness: 160 ~ 210 hb.
- Roller: 45 # carbon steel or 40 Cr. Quenching of HRC25-30 and surface quenching of HRC 52-58. Hardening depth of 2-3mm.
- Lock pin 65 Mn or 45 carbon steel, hardness HRC 25-28.
- Seal: nitrile rubber. Operating temperature range-20℃ to 110℃.
| UPC | 759071564019 |
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| Brand Name | BIENEFRIA |
| Part Number | BIENEFRIA-0367 |
| Manufacturer | CoolingSun |
| Included Components | 1x Track Roller |
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