Product Description
Caterpillar crawler excavator turntable slewing ring bearing for heavy engineering mining metallurgical machinery
Engineered to sustain immense axial and radial loads, our crawler excavator turntable slewing bearings (also known as slewing ring bearings) serve as the robust rotational powerhouse for your heavy equipment fleet. Designed to operate flawlessly in extreme climates ranging from -30℃ to +70℃, these OEM-standard components are fully compatible with Caterpillar systems and widely trusted across demanding applications in mining, metallurgical, shipping port, and construction environments. We offer highly flexible manufacturing capabilities, including standard casting and forging processes, alongside bespoke production engineered directly from client drawings, samples, or exact OEM specifications.
Features
Application
- Construction & Engineering: Perfectly suited for heavy-duty building machinery and engineering vehicles, ensuring precise, stable 360-degree rotation for Caterpillar crawler excavators.
- Shipping Port Infrastructure: Ideal for high-capacity maritime cargo handling cranes and port machinery requiring continuous, reliable turntable performance under heavy structural strain.
- Petroleum Chemical Industry: Highly resilient for specialized petrochemical processing equipment, operating safely and consistently even in extreme climate variations from -30℃ to +70℃.
- Defense & Specialized Systems: Delivers rugged, OEM-certified rotational durability for critical environmental protection machinery, light industry applications, and advanced war industry equipment.
Product Parameters
|
Name |
Caterpillar Crawler Excavator Spare Parts Slewing Bearing |
|
Material |
50Mn or 42CrMo purchased from first class steel plant |
| Process |
Forging or Casting |
| Painting Color | Silver |
| Finish |
Smooth Machined Surface |
| Surface Hardness |
HRC52-58, Depth:8mm-12mm |
| Quality Guarantee |
One year |
| Delivery Time |
Within 10--20 days after sales contract establishment |
| Payment Terms | T/T, L/C, PayPal, Western Union, D/P |
|
Usage |
Engineering machinery, building machinery, metallurgical and mining machinery, shipping port machinery, petroleum chemical machinery, engineering vehicle, war industry equipment |
Why Choose us?
| Brand | Part Number | Compatible Excavator Models | Part Description |
|---|---|---|---|
| Excavator Brands & Models | |||
| Caterpillar | 191-3341 | CAT 320D, 320D2, 320E, 323D, 324D, 325D, 326D, 329D | Slewing bearing / swing bearing for CAT medium excavators, internal gear type, high precision |
| 227-6048 | CAT 330D, 336D, 345D, 349D, 336E, 349E | Heavy-duty slewing ring for CAT large excavators, external gear type, abrasion resistant | |
| 148-4653 | CAT 307B, 308C, 311C, 312D, 313D, 314D | Mini excavator slewing bearing for CAT small series, compact structure, easy installation | |
| 353-0456 | CAT 374F, 390F, 395F, 374GC, 395GC | Large size slewing bearing for CAT ultra-large excavators, heavy load capacity, for mining and quarrying | |
| Komatsu | 207-25-00100 | Komatsu PC200-7, PC200-8, PC210-7, PC210-8, PC220-7, PC220-8 | Slewing bearing for Komatsu medium excavators, internal gear, OEM standard precision |
| 208-25-00110 | Komatsu PC300-7, PC300-8, PC350-7, PC360-7, PC360-8 | Heavy-duty slewing ring for Komatsu large excavators, external gear, high wear resistance | |
| 203-25-00120 | Komatsu PC60-6, PC70-7, PC75UU-1, PC120-6, PC130-7 | Mini excavator slewing bearing for Komatsu small series, compact design, stable performance | |
| 210-25-00130 | Komatsu PC1250-7, PC1250-8, PC2000-8 | Ultra-large slewing bearing for Komatsu mining excavators, super heavy load, for open-pit mining | |
| Hitachi | 9185781 | Hitachi ZX200-3, ZX200-5, ZX210-3, ZX210-5, ZX220-3, ZX220-5 | Slewing bearing for Hitachi medium excavators, internal gear type, high rotation accuracy |
| 9258666 | Hitachi ZX300-3, ZX300-5, ZX350-3, ZX360-5, ZX330-5 | Heavy-duty slewing ring for Hitachi large excavators, external gear, long service life | |
| 9132033 | Hitachi ZX60-3, ZX70-3, ZX75US-3, ZX120-3, ZX130-5 | Mini excavator slewing bearing for Hitachi small series, compact structure, easy maintenance | |
| Doosan | 140109-00012 | Doosan DH220-5, DH220-7, DH215-7, DH225-7, DX225LC | Slewing bearing for Doosan medium excavators, internal gear, OEM quality standard |
| 140109-00013 | Doosan DH300-5, DH300-7, DH350-7, DX300LC, DX350LC | Heavy-duty slewing ring for Doosan large excavators, external gear, high impact resistance | |
| 140109-00011 | Doosan DH60-7, DH70-7, DH80-7, DX60R, DX75R | Mini excavator slewing bearing for Doosan small series, compact design, stable operation | |
| Kobelco | LQ15V00001F1 | Kobelco SK200-8, SK210-8, SK220-8, SK200-10, SK210-10 | Slewing bearing for Kobelco medium excavators, internal gear type, high precision machining |
| LQ15V00002F1 | Kobelco SK300-8, SK350-8, SK330-10, SK350-10, SK380-10 | Heavy-duty slewing ring for Kobelco large excavators, external gear, excellent wear resistance | |
| LQ15V00000F1 | Kobelco SK60-8, SK70-8, SK75SR-3, SK120-8, SK130-10 | Mini excavator slewing bearing for Kobelco small series, compact structure, low noise | |
| Volvo | 14532631 | Volvo EC210BLC, EC220D, EC235D, EC240BLC, EC250D | Slewing bearing for Volvo medium excavators, internal gear, high load capacity |
| 14532632 | Volvo EC300D, EC350D, EC360BLC, EC380D, EC460BLC | Heavy-duty slewing ring for Volvo large excavators, external gear, durable performance | |
| 14532630 | Volvo EC55B, EC60C, EC70C, EC80D, EC120D, EC140D | Mini excavator slewing bearing for Volvo small series, compact design, easy installation | |
Production Show
FAQ
What materials are used to ensure the longevity of your Caterpillar crawler excavator slewing bearings?
We manufacture our turntable slewing bearings using premium 50Mn or 42CrMo structural steel sourced directly from first-class steel plants. Through advanced forging, casting, and quench-tempering processes, we achieve a surface hardness of HRC52-58 and a hardened depth of 8mm-12mm. This ensures high structural strength and superior wear resistance to bending and breakage under heavy loads.
Can these OEM-standard slewing ring bearings operate reliably in extreme mining and metallurgical environments?
Yes, our slewing ring bearings are explicitly engineered to maintain genuine mechanical properties across extreme temperature variations, functioning normally from -30℃ to +70℃. This makes them highly suitable for rigorous applications in metallurgical machinery, mining machinery, and petroleum chemical equipment where thermal stability is critical to continuous operation.
Do you offer customized manufacturing for specific heavy machinery turntable bearings beyond standard Caterpillar models?
Absolutely. While we provide precise OEM sizing for Caterpillar crawler excavators, our ISO9001:2008 certified facility can produce slewing bearings exactly as per client samples, designs, and technical drawings. We maintain strict quality control throughout the manufacturing process to guarantee that custom parts meet global engineering standards.
