Many types of excavator slewing bearing for your purchase.
( More excavator parts, please contact our customer service. )
Download catalog HTTP: //English. LDB-BEARING. COM/EXCAVATOR/EXCAVATOR. PDF
Why You Need LDB!
1. The company has more than 50 senior engineers, mechanicaltechnicians, and assistant tech-nicians, accounting for 29% of the total wokeforce; The company specializes in designing and developing of new, high precision, advanced bearing products and processing methods ofinnova-tion and improvement, proficient in grinding equipment design, production, optimized and impro-ved.
2. All LDB products meet or exceed ISO standards and tolerances.
3. LDB produces standard and custom slewing bearings and rollering bearing. We also produce custom bearings designed for your special needs.
LDB Mainly Products Range:
Excavator, PART NUMBER, DESCRIPTION
KOBELCO SK130LC IV, SWING CIRCLE P/N: LP40FU0001F1, Excavator KOBELCO SK130LC IV ROTEC BEARING.
KOBELCO SK135SR, SWING CIRCLE P/N: 24100N7529F1, Excavator KOBELCO SK135SR ROTEC BEARING.
KOBELCO SK135SR-2, SWING CIRCLE P/N: YY40F00009F1, Excavator KOBELCO SK135SR-2 ROTEC BEARING.
KOBELCO SK140SR, SWING CIRCLE P/N: YY40F00009F1, Excavator KOBELCO SK140SR ROTEC BEARING.
KOBELCO SK150LC IV, SWING CIRCLE P/N: 24100N8102F1, Excavator KOBELCO SK150LC IV ROTEC BEARING.
KOBELCO SK150LC-III, SWING CIRCLE P/N: 24100N8102F1, Excavator KOBELCO SK150LC-III ROTEC BEARING.
KOBELCO SK200LC III, SWING CIRCLE P/N: 24100N7440F1, Excavator KOBELCO SK200LC III ROTEC BEARING.
KOBELCO SK200LC IV, SWING CIRCLE P/N: 24100N7440F1, Excavator KOBELCO SK200LC IV ROTEC BEARING.
KOBELCO SK210LC VI, SWING CIRCLE P/N: YN40F00004F1, Excavator KOBELCO SK210LC VI ROTEC BEARING.
KOBELCO SK210LC-6E, SWING CIRCLE P/N: YN40F00019F1, Excavator KOBELCO SK210LC-6E ROTEC BEARING.
KOBELCO SK220LC III, SWING CIRCLE P/N: 24100N7441F1, Excavator KOBELCO SK220LC III ROTEC BEARING.
KOBELCO SK220LC IV, SWING CIRCLE P/N: 24100N7441F1, Excavator KOBELCO SK220LC IV ROTEC BEARING.
KOBELCO SK235SR, SWING CIRCLE P/N: YN40F00014F1, Excavator KOBELCO SK235SR ROTEC BEARING.
KOBELCO SK250LC VI, SWING CIRCLE P/N: LQ40FU0001F1, Excavator KOBELCO SK250LC VI ROTEC BEARING.
KOBELCO SK250LC-6E, SWING CIRCLE P/N: LQ40F00004F1, Excavator KOBELCO SK250LC-6E ROTEC BEARING.
KOBELCO SK260-8, SWING CIRCLE P/N: LQ40F00014F1, Excavator KOBELCO SK260-8 ROTEC BEARING.
KOBELCO SK270LC IV, SWING CIRCLE P/N: 2425U262F1, Excavator KOBELCO SK270LC IV ROTEC BEARING.
KOBELCO SK290LC VI, SWING CIRCLE P/N: LC40F00003F1, Excavator KOBELCO SK290LC VI ROTEC BEARING.
KOBELCO SK290LC-6E, SWING CIRCLE P/N: LC40F00009F1, Excavator KOBELCO SK290LC-6E ROTEC BEARING.
KOBELCO SK300LC III, SWING CIRCLE P/N: 2425U262F1, Excavator KOBELCO SK300LC III ROTEC BEARING.
KOBELCO SK300LC IV, SWING CIRCLE P/N: LC40FU0001F1, Excavator KOBELCO SK300LC IV ROTEC BEARING.
KOBELCO SK330LC VI, SWING CIRCLE P/N: LC40F00009F1, Excavator KOBELCO SK330LC VI ROTEC BEARING.
KOBELCO SK330LC-6E, SWING CIRCLE P/N: LC40F00009F1, Excavator KOBELCO SK330LC-6E ROTEC BEARING.
KOBELCO SK350-8, SWING CIRCLE P/N: LC40F00018F1, Excavator KOBELCO SK350-8 ROTEC BEARING.
KOBELCO SK400LC III, SWING CIRCLE P/N: 2425U340F1, Excavator KOBELCO SK400LC III ROTEC BEARING.
KOBELCO SK400LC-IV, SWING CIRCLE P/N: LS40FU0001F1, Excavator KOBELCO SK400LC-IV ROTEC BEARING.
KOBELCO SK480LC VI, SWING CIRCLE P/N: LS40F00003F1, Excavator KOBELCO SK480LC VI ROTEC BEARING.
KOBELCO SK480LC-6E, SWING CIRCLE P/N: LS40F00003F1, Excavator KOBELCO SK480LC-6E ROTEC BEARING.
KOBELCO SK60 III, SWING CIRCLE P/N: 2425U232F1, Excavator KOBELCO SK60 III ROTEC BEARING.
KOBELCO SK60 IV, SWING CIRCLE P/N: 2425U261F1, Excavator KOBELCO SK60 IV ROTEC BEARING.
KOBELCO SK70SR, SWING CIRCLE P/N: 2425U252F1, Excavator KOBELCO SK70SR ROTEC BEARING.
Excavator Brand
|
Model No.
|
KOMATSU
|
PC30
|
PC40
|
PC60-6 (Z=76)
|
PC60-6 (Z=80)
|
PC60-7 (Z=76)
|
PC70-7
|
PC75U
|
PC90
|
PC90-6
|
PC100-5
|
PC120-5
|
PC120-6 (4D95)
|
PC120-6 (4D102)
|
PC130-7
|
PC128UU
|
PC150-5
|
PC20HT
|
PC200-1
|
PC200-2
|
PC200-3
|
PC220-3
|
PC220-5
|
PC200-6 (S6D95)
|
PC200-6P (S6D102)
|
PC200-7 (Z=92)
|
PC220-7
|
PC228UU
|
PC300-2
|
PC300-3
|
PC300-5
|
PC300-6
|
PC300-7
|
PC350-6
|
PC360-7
|
PC400-3
|
PC400-5
|
PC400-6
|
PC450
|
|
|
KATO
|
HD450-7
|
HD512
|
HD100
|
HD700-1
|
HD700-2
|
HD700-5
|
HD700-7
|
HD770SE
|
HD770-1
|
HD770-2
|
HD800-7
|
HD820-1
|
HD900-7
|
HD1250-5
|
HD250-5
|
HD250-7
|
HD307
|
HD516
|
HD400-7
|
HD450-5
|
CATPERPILLAR
|
CAT305.5
|
E120B
|
E180
|
E200B
|
CAT215
|
CAT215B
|
CAT225
|
CAT312-1
|
CAT320B
|
CAT323
|
CAT320C
|
CAT324
|
CAT325
|
CAT325C
|
CAT330C
|
HITACHI
|
EX60-1
|
EX60-2
|
EX60-3
|
EX60-5
|
EX90
|
EX100-1
|
EX100-3
|
EX100-5
|
EX120-1
|
EX120-2
|
EX200-3
|
EX200-5
|
EX210-5
|
ZX120
|
ZX160
|
EX200-1
|
EX200-2
|
EX200-3
|
EX200-5
|
EX210-5
|
ZX200
|
ZX200-3
|
ZX225
|
EX220-5
|
ZX230
|
ZX240
|
ZX270
|
EX300-1
|
EX300-2
|
EX300-3
|
EX300-5
|
ZX330
|
EX450
|
ZX480
|
|
DOOSAN
|
DH55-5
|
DH60-7
|
DH150-7
|
DH200-3
|
DH220-3
|
DH102
|
DH225-7
|
DH258-7
|
DH280
|
DH290
|
DH300-5
|
DH320
|
DH330-3
|
DH360-5
|
DH500
|
KOBELCO
|
SK03
|
SK09
|
SK907B
|
SK100
|
SK120-5
|
SK200-1
|
SK200-2
|
SK200-5
|
SK200-6
|
SK200-8
|
SK230-6
|
SK300
|
SK350-8
|
|
|
SUMITOMO
|
SH120A2
|
SH120A3
|
SH200A1
|
SH200A2
|
SH200A3
|
SH200G3
|
SH200C3
|
SH210A3
|
SH220A1
|
SH225
|
SH260
|
SH265
|
SH280
|
SH300/A2
|
SH340
|
SH350
|
SH430
|
SH40T
|
SH580
|
|
HYUNDAI
|
R60-5
|
R60-7
|
R80-7
|
R130-5
|
R130-7
|
R140
|
R150W
|
R170
|
R200
|
R210-3
|
R220-5
|
R210-9
|
R215-7
|
R225-7
|
R245
|
R260-5
|
R280
|
R290
|
R300
|
R305-7
|
R320
|
R335-7
|
R360
|
R450
|
|
VOLVO
|
EC55
|
EC210
|
EC240
|
EC290 |
Excavator Slewing Bearing: Key Component and Market Insights
In the vast and dynamic world of construction machinery, the excavator slewing bearing stands as a pivotal component, silently but powerfully enabling the seamless operation of one of the most essential pieces of equipment - the excavator.
The Anatomy and Function of Excavator Slewing Bearing
An excavator slewing bearing is a complex mechanical assembly. At its core, it consists of inner and outer raceways. These raceways are precision - machined surfaces that provide the track for the rolling elements. The rolling elements, which can be either balls or rollers depending on the design and load requirements, are what facilitate the smooth rotation between the inner and outer rings. A retainer is also an integral part, keeping the rolling elements evenly spaced to ensure consistent and efficient operation.
Functionally, the slewing bearing is responsible for allowing the upper part of the excavator, which houses the cab, engine, and boom, to rotate freely relative to the lower chassis. This rotation is crucial for the excavator's ability to perform tasks such as digging at different angles, loading materials into trucks, and maneuvering in tight spaces. Without a properly functioning slewing bearing, an excavator's efficiency would be severely compromised, and the risk of breakdowns would increase significantly.
Quality and Durability: The Hallmarks of a Good Slewing Bearing
High - quality excavator slewing bearings are crafted from top - grade materials, with alloy steel being a popular choice. Alloy steel offers a combination of high strength, toughness, and wear resistance. This makes the slewing bearing capable of withstanding the extreme loads and harsh operating conditions typically encountered in construction and mining sites. For example, in large - scale mining operations where excavators are used to handle massive amounts of earth and minerals, the slewing bearing must endure high static and dynamic loads, as well as exposure to dust, dirt, and moisture.
The manufacturing process of a quality slewing bearing is also highly precise. Advanced machining techniques are employed to ensure that the raceways have the correct geometry and surface finish. This precision is essential for minimizing friction and wear, thereby extending the lifespan of the bearing. Additionally, proper heat treatment of the materials further enhances their mechanical properties, making the bearing more resistant to fatigue and deformation.
Market Trends and Competition
The market for excavator slewing bearings is a highly competitive one, driven by the continuous growth of the construction and mining industries globally. As construction projects become more complex and demanding, the need for high - performance excavators, and thus reliable slewing bearings, is on the rise.
New entrants and established players alike are constantly vying for market share. To stay competitive, companies are investing in research and development to introduce innovative designs. For instance, some manufacturers are developing slewing bearings with integrated sensors. These sensors can monitor parameters such as temperature, vibration, and load, providing real - time data that can be used for predictive maintenance. This not only helps in preventing unexpected breakdowns but also reduces maintenance costs in the long run.
Another trend in the market is the increasing demand for customized slewing bearings. Different excavator models and applications have unique requirements in terms of size, load capacity, and rotational speed. Manufacturers are now offering tailor - made slewing bearings to meet these specific needs, allowing for better integration with the overall excavator design.
Future Outlook
Looking ahead, the future of excavator slewing bearings is likely to be shaped by technological advancements and changing environmental regulations. In terms of technology, the development of more advanced materials, such as high - performance polymers and composites, may offer new possibilities for slewing bearing design. These materials could potentially provide better corrosion resistance, lower weight, and improved energy efficiency.
In response to environmental concerns, there will also be a push towards more sustainable manufacturing processes for slewing bearings. This may involve the use of recycled materials, energy - efficient production methods, and reduced waste generation. Additionally, as the construction and mining industries increasingly adopt electric and hybrid excavators, slewing bearings will need to be optimized for these new power sources, ensuring compatibility and high - performance operation.
In conclusion, the excavator slewing bearing is not just a simple mechanical part but a key enabler of the modern construction and mining industries. Its continuous evolution, driven by technological innovation and market demands, will play a crucial role in the future development of these industries.
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