Mini Excavator Bottom Track Roller 7019167 for Bobcat X331

Bobcat X331 Bottom Roller Production Description:

Every batch of 7019167 rollers undergoes Rigorous Quality Control

• Dimensions Check: Ensuring 100% compatibility with Bobcat X331 frames.

• Pressure Leakage Test: Ensuring no oil leaks from the seal groups.

• Load Testing: Simulating extreme working conditions to ensure structural integrity.

Standard manufacturing practices for track rollers (bottom rollers in excavators):

• Raw Materials → Forging → Machining → Heat Treatment → Grinding/Surface Treatment → Assembly → Quality Control → Packaging

Why Choose Our 7019167 Track Roller?

1. Engineered for Durability

Manufactured from high-density forged steel, our rollers undergo advanced heat treatment (induction hardening). This ensures deep hardness penetration, preventing surface cracking even under heavy loads and abrasive soil conditions.

2. Perfect OEM Fitment

Directly replaces Bobcat OEM part 7019167. We guarantee precise dimensions and bolt-hole alignment, allowing for a "plug-and-play" installation that minimizes machine downtime.

3. Cost-Effective Performance

Get OEM-quality reliability without the dealership price tag. Our rollers are tested to meet or exceed industry standards, ensuring your Bobcat X331 stays productive on the job site for longer intervals.

How to Extend the Life of Your X331 Track Bottom Rollers:

• Daily Cleaning (The "Mud" Factor): At the end of the day, clean out packed mud and debris from the undercarriage. Hardened mud can act like sandpaper between the roller and the track, and in winter, frozen mud can seize the roller entirely.

• Maintain Proper Track Tension: Running tracks too tight puts immense upward pressure on the bottom rollers, leading to premature bearing failure. Always follow the Bobcat X331 manual for tension specs.

• Alternate Turning Directions: Constantly turning in one direction causes uneven wear on one side of the roller flanges. Try to balance your turns on the job site.

• Regular Visual Inspections: Check for "flat spots" on the rollers. If a roller stops spinning, it will wear flat on one side, which can eventually ruin your expensive rubber tracks.

• Monitor for Leaks: Look for oil moisture around the roller hub. A leaking seal means the internal lubrication is failing; replacing the roller early is much cheaper than waiting for it to seize and damage the track link.

KASU Factory Advantages:

• Direct Source Manufacturer with Years of Specialized Experience
• We are a dedicated factory with over20 years focused exclusively on mini excavator undercarriage parts — no trading company middlemen, ensuring consistent quality control from raw material to finished product.
• Strict Raw Material Selection & Traceability
• We only use high-grade forged alloy steels (50Mn, 40Mn2, 40Cr, etc.) from certified mills, with full chemical composition analysis and mechanical property testing for every batch — guaranteeing superior strength, toughness, and wear resistance.
• Precision Manufacturing & Advanced Processing
• State-of-the-art forging presses, CNC machining centers, medium-frequency induction quenching, and automated grinding lines deliver tight tolerances, uniform hardness (HRC 52–58 on tread), and excellent surface finish — every detail optimized for durability in harsh working conditions.
• Rigorous Multi-Stage Quality Inspection
• 100% inspection at key stages: ultrasonic/magnetic particle flaw detection after forging, dimensional & hardness checks after heat treatment, seal leakage & dynamic balance testing after assembly — we maintain defect rates far below industry averages.
• Comprehensive One-Stop Undercarriage Parts Supply
• Full range available: bottom rollers, top rollers (carrier rollers), front idlers, track chains, track shoes/pads, sprockets, and more — all compatible with popular mini excavator brands (Bobcat, Kubota, Yanmar, Takeuchi, John Deere, etc.), allowing customers to source everything from one reliable supplier.
• Competitive Factory-Direct Pricing
• By eliminating distributors and trading layers, we offer premium aftermarket quality at 30–50% lower prices than OEM parts and significantly better value than low-end imports.
• Fast Lead Time & Reliable Global Delivery
• In-house production capacity + efficient logistics enable short lead times (often 15–30 days for standard orders) and secure worldwide shipping with proper anti-rust & export packaging.
• Strong OEM/ODM Capability & Customization Support We welcome custom drawings, special heat treatment requirements, custom markings, and private labeling — ideal for distributors, dealers, and large fleet operators looking for branded or tailored solutions.

Frequently Asked Questions

Q: Is this roller compatible with other Bobcat models?

A: While specifically optimized for the X331, it may fit related models like the X334. Please contact our technical team with your serial number to verify fitment.

Q: How often should I check my bottom rollers?

A: We recommend a visual inspection every 50–100 operating hours for signs of leaking or uneven wear to prevent damage to your tracks.

Q: Do you offer bulk discounts for fleet maintenance?

A: Yes, we provide wholesale pricing for bulk orders. Please use the "Inquiry" button below for a custom quote.