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Premium Bottom Roller fits KX161-3 KX161-3S KUBOTA Mini Excavator Undercarriage
Package Include:
1x Track Roller （As Shown）
Replacement Part Number:
RD441-21702 ,RD44121702
Fits For:
Kubota KX161-3 KX161-3S KX161-3ST
This roller will not fit models KX057-5 or KX161-2
Specification:
1. Shell
Material 50Mn, through hardened HRC 25-28, CASE hardened HRC52-56, hardened thickness 5-8mm.
2. Side cover : QT450-10.
Strength is as follows
Tensile strength σb (MPa): ≥450
Yield strength σ0.2 (MPa):≥310
Hardness:160 ~ 210 hb
3. Roller, 45# carbon steel or 40Cr, quenched HRC25-30, surface quenched HRC52-58, hardened to a depth of 2-3mm.
4. Locking pin, 65Mn or 45 carbon steel, hardened HRC25-28.
5. Bolt, grade 12.9, HRC45-52. 6.
6. Seal: Nitrile rubber. Operating temperature range -20℃ to 110℃.
Features:
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.
Note:
1. Please confirm the item if it matches your need before you purchase.
2, If you have any questions about the product, please feel free to contact us via eBay email. We will provide you with help.
3. Our officer hours are 9:30AM - 5:30PM PST Monday - Friday. Emails are the best way to contact us and should receive a response within 24 hours.
| Item Specifics | |
|---|---|
| Part Type | Bottom Roller |
| Compatible Equipment Make | Kubota |
| Compatible Equipment Type | Excavator, MINI EXCAVATOR |
| Brand | CarBole |
| Manufacturer Part Number | RD441-21702, RD44121702 |
| Compatible Model | KX161-3, KX161-3S, KX161-3ST |
| Interchange Part Number | RD441-21702 |
| Model | KX161-3, KX161-3S, KX161-3ST |
| Compatible Kubota Excavator Models | KX161-3, KX161-3S and KX161-3ST, KX057-4 |
| Fitment Type | Direct Replacement |
| Track Type | Rubber |
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Premium Bottom Roller fits KX161-3 KX161-3S KUBOTA Mini Excavator Undercarriage
Package Include:
Replacement Part Number: RD441-21702 ,RD44121702
Fits For: Kubota KX161-3 KX161-3S KX161-3ST This roller will not fit models KX057-5 or KX161-2
Specification: 1. Shell Material 50Mn, through hardened HRC 25-28, CASE hardened HRC52-56, hardened thickness 5-8mm. 2. Side cover : QT450-10. Strength is as follows Tensile strength σb (MPa): ≥450 Yield strength σ0.2 (MPa):≥310 Hardness:160 ~ 210 hb 3. Roller, 45# carbon steel or 40Cr, quenched HRC25-30, surface quenched HRC52-58, hardened to a depth of 2-3mm. 4. Locking pin, 65Mn or 45 carbon steel, hardened HRC25-28. 5. Bolt, grade 12.9, HRC45-52. 6. 6. Seal: Nitrile rubber. Operating temperature range -20℃ to 110℃.
Features: 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.
Note:
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