Roller track bottom suitable for JCB JS160-200 excavators
KERTRACK

Roller track bottom suitable for JCB JS160-200 excavators

Catalog number:SKX985897KR Nr OEM:331/35387 Manufacturer:KERTRACK
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GX-AFTER TRACK ROLLER (BOTTOM) SUITABLE FOR JCB, CASE - 331/35387

Technical Specification and Compatibility

A critical undercarriage component – this maintenance-free, oil-filled track roller (bottom roller) by GX-AFTER is designed for a wide range of 16-26 ton excavators, including the JCB JS series (JS160-JS260) and CASE (CX160-CX250). It features an induction-hardened tread, engineered to withstand extreme loads and provide maximum wear resistance. An advanced system of heavy-duty seals protects the internal shaft and bearings, ensuring a long service life in the harshest ground conditions.

Part number: 331/35387
Alternative part numbers: 331/42639, KRA1189, 160417A1, 332/L9221, JRA0240, JRA0333, KBA10310, KRA10360, UF173R1E, VA262000, 158774A1
Type: Track Roller (Bottom Roller)
Construction: Hardened tread, Oil-filled, Maintenance-free

GX-AFTER is the smart choice for your machine. We provide high-class replacement parts that combine excellent quality with an attractive price. Each part is carefully verified to ensure full compatibility and reliability you can depend on.

Essential for Undercarriage Service

  • › Mounting Bolts: Always use new, high-tensile bolts.
  • › Track Chains: Inspect the chain links that make contact with the roller.

Application in machines

Brand Type / Series / Model
JCB Tracked Excavators: JS115, JS120, JS130 (HD, LC), JS145 (LC), JZ140 (LC), JS150 (LC), JS160 (LC, NLC), JS180 (LC, NLC), JS190 (LC, NLC), JS200 (FC, LC, NC, SC), JS205, JS210 (LC), JS220 (LC, LR, NC, SC), JZ235 (LC), JS240 (LC, NLC, SC), JZ255 (LC), JS260 (LC, LR, NLC, SC)
CASE 9020 (B), 9030 (B, NARROW), CX160 (B, C), CX180 (B, C), CX210 (B, C, N, LR, BLC, BLR, BNLC), CX225 (SR, SRLC), CX230 (B, C), CX235C SR, CX240 (B, B-MH), CX250C
SUMITOMO SH160, SH200, SH210 (LC), SH220 (LC), SH225X, SH240 (LC)

The list above is for reference. It is crucial to verify the OEM part number or roller dimensions.

⚠️ Safety Warning

Working on track undercarriages is extremely dangerous. Ensure the machine is on stable ground. Track tension must be released before service. The machine must be securely supported on certified stands. Never rely solely on the machine's own hydraulics.

Part's Role in the Machine and Failure Diagnostics

Track rollers (bottom rollers) transfer the entire weight of the machine to the track chains and the ground. They are responsible for guiding the chain along the track frame and are subjected to constant high-impact loads and abrasion. Failure of one roller overloads the others and accelerates wear of the entire undercarriage.

  • › Oil leakage (symptom of a failed duo-cone seal).
  • › Loud noise, squealing, or grinding during travel (seized internal bearings).
  • › Seized roller (does not turn), leading to "flat spots" on the tread.
  • › Excessive wear on the flanges, which can lead to the track de-railing.

📞 Can't find the part you're looking for?

No problem. Our website shows only a few thousand of the over 60,000 parts we have in stock. Contact us – we probably have what you need on the shelf!

🔧 Expert's Guide: Key Installation Tips

  1. Swap for even wear: To equalize wear, it is recommended to periodically swap the inner rollers with the outer rollers (if applicable).
  2. New Bolts: Always use new, high-tensile mounting bolts and tighten them in a star pattern using a torque wrench to the manufacturer's specification.
  3. Clean Mounting Surface: Thoroughly clean the mounting surface on the track frame of all rust and dirt before bolting on the new roller.
  4. Correct Track Tension: An over-tensioned track places extreme load on the rollers and drastically shortens their service life. Set the correct track sag.

Frequently Asked Questions (FAQ)

1. What is the difference between a top roller and a bottom (track) roller?

A top roller (carrier roller) is located on top of the track frame and supports the weight of the returning, sagging section of the track. A bottom roller (track roller), like this one, is on the bottom and transfers the entire machine's weight to the track on the ground.

2. Is this roller maintenance-free?

Yes. This roller is factory-filled with oil and equipped with durable, heavy-duty seals that provide lubrication for its entire service life. It does not require regular greasing.

3. My roller is seized. Do I have to replace it?

Yes, absolutely. A seized (non-rotating) roller acts as a brake on the track chain. This causes rapid, abrasive wear on both the roller (creating "flat spots") and the track links, leading to a very fast and expensive failure of the entire undercarriage.

Znak zapytania

Have doubts or need confirmation to avoid costly downtime? Call us. Our experts will help you choose the right part to get your equipment back to work as soon as possible.

SKX985897KR
331/35387
32.50 kg

Data sheet

SUITABLE FOR
JCB
MACHINE TYPE
EXCAVATOR
OEM NUMBERS
331/35387 / 331/42639

Specific References

MPN
331/35387
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Roller track bottom suitable for JCB JS160-200 excavators

Catalog number: SKX985897KR
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gross price

466.79 zł

net price
379,50 zł
Available in large quantity Temporarily unavailable
379,50 zł
net price

466.79 zł

gross price
Nie możesz dodać więcej produktów
  • You will receive 38 points, it gives you 15.20 zł
  • Lowest price from 30 days before the discount: 466.79 zł
    PRODUCT SPECIFICATION
    SUITABLE FOR
    JCB
    MACHINE TYPE
    EXCAVATOR
    OEM NUMBERS
    331/35387 / 331/42639

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