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Excavator Top Roller

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Quanzhou Jintai Machinery Co., Ltd.,

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Province/State:fujian

Country/Region:china

Contact Person:Mrskelly_wong

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China EX100 Lubrication Channel Excavator Track Roller Corrosion Protection Track Roller wholesale

EX100 Lubrication Channel Excavator Track Roller Corrosion Protection Track Roller

Name: EX100 Lubrication Channel Excavator Track Roller Corrosion Protection Track Roller
Brand: CCJT
Price: 1 USD

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Brand Name :CCJT

Certification :CE

Place of Origin :China

MOQ :100

Payment Terms :TT

Supply Ability :10000+pc+7

Delivery Time :30

Packaging Details :Neutral Packing

Model Number :EX100

Model No :EX100

Outer Diameter :240±2 mm (varies by manufacturer)

Width :105±1 mm

Shaft Diameter :50±0.02 mm(quenched, surface hardness HRC55-60)

Mounting Holes :180±0.5 mm center-to-center, M16×1.5 threaded bolts

Weight :28-32 kg (varies by material/seals)

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EX100 Lubrication Channel Excavator Track Roller Corrosion Protection Track Roller

1. Product Overview

Model: EX100 Track Roller
Type: Undercarriage Support Roller for Crawler Machinery
Compatible Equipment: 20-30t class crawler excavators, bulldozers (e.g., Komatsu PC200, Caterpillar D6).
Primary Functions:

Distributes machine weight to reduce ground pressure.
Guides track chain movement, minimizing friction and wear.
Enhances travel stability and prevents track derailment.

2. Materials & Manufacturing

Wheel Body: Forged 42CrMo alloy steel, tempered (HRC50-55), with induction-hardened rim (3-5mm depth, HRC58-62).

Bushing/Bearing:

Option 1: High-strength bronze bushing (CuZn25Al6) with self-lubricating grooves.

Option 2: Tapered roller bearings (NTN/SKF, ≥80% grease-filled).

Seals: Dual-lipped floating oil seals (NBR rubber + alloy steel ring), IP68-rated against dust/water ingress.

Lubrication: Standard 1/8" NPT grease fitting (NLGI Grade 2 lithium grease recommended).

3. Design Features

Rim: Reinforced thickness (≥25mm per side), optional tungsten carbide overlay (HRC60+).
Lubrication Channel: Internal direct oil passage for even grease distribution.
Corrosion Protection: Phosphating + anti-rust oil coating (electro-galvanizing available on request).