Why Choose Growshine International for Your Excavator Slewing Bearings?

At Growshine International, we specialize in providing high-quality replacement slewing bearings, swing circles, and turntable bearings for all major excavator brands. Our extensive inventory includes parts for Komatsu excavator slewing rings, Caterpillar swing bearings, Hitachi slewing bearings, Doosan turntable bearings, and many more.

As a leading supplier in the construction machinery parts industry, we understand the critical importance of reliable components for your heavy equipment. Our slewing bearings are manufactured to meet or exceed OEM specifications, ensuring optimal performance and longevity for your excavator swing mechanisms.

Complete Slewing Bearing Catalog - All Major Brands Available

Browse our comprehensive catalog of replacement slewing rings, swing circle bearings, and turntable bearings for various excavator models and brands. Contact us for pricing and availability:

Heavy Equipment Component Knowledge Base

Understanding your equipment's components is crucial for proper maintenance and operation:

1. Slewing Bearing: Located between the upper structure and undercarriage of excavators, allowing 360-degree rotation. Example: Komatsu PC200-8 slewing ring (Компания Komatsu PC200-8 подшипник поворотного круга)

2. Track Roller: Supports the track chain and distributes machine weight. Example: Caterpillar 320D track roller (Каток гусеничный Caterpillar 320D)

3. Hydraulic Pump: Generates hydraulic pressure for all machine functions. Example: Hitachi ZX200 main hydraulic pump (Главный гидронасос Hitachi ZX200)

4. Final Drive: Transmits power from the travel motor to the track. Example: Doosan DX225 final drive (Бортовой редуктор Doosan DX225)

5. Track Motor: Powers the track movement for machine travel. Example: Kobelco SK200 travel motor (Мотор хода Kobelco SK200)

6. Swing Gear: Engages with the slewing bearing for rotation. Example: Volvo EC210 swing gear (Поворотная шестерня Volvo EC210)

7. Control Valve: Directs hydraulic fluid to various functions. Example: Case 580 control valve (Распределитель Case 580)

8. Turbocharger: Increases engine air intake for better performance. Example: Cummins QSB6.7 turbocharger (Турбокомпрессор Cummins QSB6.7)

9. Track Shoe: Individual plates that form the excavator track. Example: John Deere 350G track shoe (Башмак гусеницы John Deere 350G)

10. Boom Cylinder: Controls the main boom movement. Example: Liebherr 924 boom cylinder (Цилиндр стрелы Liebherr 924)

Troubleshooting: Komatsu PC200 Slewing Bearing Failure

Problem: Excessive play and grinding noise during rotation on Komatsu PC200-7 excavator

Symptoms: Irregular rotation, metallic grinding sounds, visible wear on gear teeth, difficulty in smooth swing operation

Root Cause: Worn slewing bearing due to inadequate lubrication, contamination, or overloading beyond rated capacity

Solution: Replace with genuine Growshine International replacement slewing bearing (Part Number: 20y-25-21200)

Replacement Procedure:
1. Secure the upper structure properly
2. Remove old slewing bearing bolts in cross pattern
3. Clean mounting surfaces thoroughly
4. Apply recommended lubricant to new bearing
5. Install new bearing and torque bolts to specification in cross pattern sequence
6. Check gear mesh alignment and adjust if necessary
7. Test operation under no-load conditions

Prevention: Regular inspection of gear teeth, proper lubrication maintenance every 500 hours, avoid overloading beyond capacity, keep sealing surfaces clean

About Growshine International - Your Trusted Parts Supplier

Growshine International is your trusted partner for construction machinery parts, heavy truck components, agricultural machinery parts, and automotive spare parts. We specialize in providing high-quality replacement components for global markets with competitive pricing and reliable delivery.

Our comprehensive expertise includes excavator undercarriage parts, heavy equipment engine components, construction machinery hydraulic systems, truck transmission parts, agricultural tractor implements, mining equipment spare parts, construction equipment filters, heavy machinery seals, earthmoving equipment bearings, and industrial machinery components.

We serve customers worldwide with reliable aftermarket parts, OEM quality components, and cost-effective solutions for all your equipment maintenance needs. Our inventory includes genuine replacement parts for all major brands including Komatsu, Caterpillar, Hitachi, Doosan, Liebherr, and many others.

Visit our websites for comprehensive product information and technical support:

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