Excavator PC200-3, P/N: 205-25-00023 Slewing Ring, Circle Bearing, Slewing Bearing for Excavator, Excavator Slewing Bearing

• Customization: Available
• Standard or Nonstandard: Standard
• Feature: Corrosion-Resistant
• Model NO.: PC200-3, P/N: 205-25-00023
• Sealing Gland: Sealed On Both Sides
• Rolling-Element Number: Single-Row
• Roller Type: Four Point Contact Ball
• Material: 50mn
• Type: Internal Gear
• Excavator Model: PC200-3
• Part Number: 205-25-00023
• O.D: 1303mm
• I.D: 1083mm
• Total Height: 104mm
• Height of Outer Ring: 81mm
• Height of Inner Ring: 90mm
• Teeth No.: 110
• Hardness: 56-62 HRC
• Transport Package: Wooden Case
• Specification: ISO
• Trademark: LDB/Neutral
• Origin: China
• HS Code: 8482109000
• Production Capacity: 200 Sets/Month

Product Description

                                                                            ∷∷∷∷∷∷∷∷∷

This excavator slewing bearing is applied to PC200-3 model , such as the one below.

∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷
 

We can produce more types of excavator slewing bearing, such as the type listed in the table below. If there is no type ofexcavator slewing bearing you need in the table below, please contact us and we will serve you separately.
 

Type	Part Number	O.D	I.D	H	ho	hi	un	e	Z
PC100-6	203-25-62100	1105.5	883.5	75	65	65	34-Ф18 un	38-M16 e	90
PC120-6	203-25-62100	1105.5	883.5	75	65	65	34-Ф18 un	38-M16 e	90
PC120LC-6	203-25-62100	1105.5	883.5	75	65	65	34-Ф18 un	38-M16 e	90
PC128US	203-25-62100	1105.5	883.5	75	65	65	34-Ф18 un	38-M16 e	90
PC130-6	203-25-62100	1105.5	883.5	75	65	65	34-Ф18 un	38-M16 e	90
PC138US	203-25-62100	1105.5	883.5	75	65	65	34-Ф18 un	38-M16 e	90
PC130-7	SAA4D95L	1106	884	75	65	64	34-Ф18	38-M16 e	90
PC200-1	205-25-00014	1242	916	100	90	90	22	36	78
PC200-2/220-2	206-25-41111	1208	915.6	95.5	79	85	22-Ф24	36-Ф24	78
PC200-3	205-25-00023	1303	1083	104	81	90	26	36	110
PC200-5/220-5	20Y-25-11103	1303	1083.5	109	86	90	26-M22	36-M22	110
PC200LC-5	20Y-25-11103	1303	1083.5	109	86	90	26-M24 un	36-M20 e	110
PC200-6	20Y-25-21200	1323	1083	100	77	90	32-Ф26	36-M20 e	110
PC200-6	S6D102-1	1323	1083	100	77	90	32-Ф26	32-M20 e	110
PC200-6/220-6	20Y-25-21100	1322	1082	100	76	90	32-Ф26	36-M20	110
PC200-7	20Y-25-21200	1322	1083.5	99	76	90	32-Ф24 un	36-M20 e	110
PC200-8	206-25-00200	1321	1077	100	77	90	32-Ф24	36-M20	96
PC200/220-3	205-25-00023	1302	1083.6	104	82	90	26-M22	36-M20	110
PC200-8(China Model)		1323	1072	112	77	102	32	36	92
PC200LC-7	20Y-25-21200	1323	1083	100	77	90	32-Ф26	36-M20 e	110
PC220LC-6LE	20Y-25-A1101	1322	1082	100	?	?	32-Ф26	36-M22 e	110
PC200LC-8	206-25-00301	1323	1072	112	77	102	32-Ф24	36-M22	92
	20Y-25-00301	1323	1074	112	78	102	32-Ф24	36-M22 e	92
PC220-7	206-25-00301	1323	1073	112	77	102	32-Ф24	36-M22 e	92
PC220-7/8		1323	1074	112	78	102	32-Ф24	36-M22 e	92
PC220LC-6LE	20Y-25-A1101	1322	1082	100	?	?	32-Ф26	36-M22 e	110
PC220LC-8	206-25-00301	1323	1072	112	77	102	32	36	92
PC220LC-5		1303	1083	110	86	90	26-M24	36-M20	110
PC220-8	206-25-00320	1321	1077	100	77	90	32-Ф24	36-M20	100
PC228US-3	22U-25-00201	1322	1082	100	76	90	32-Ф26 un	36-M20	110
PC240-7	206-25-00301	1323	1072	112	77	102	32	36	92
PC240-8	206-25-00301	1323	1072	112	77	102	32	36	92
PC60-5		852	626	74	58	60	24-Ф18	24-Ф18	80
PC300-5	207-25-51101	1527	1237.5	121.5	97	110	35-M24	40-M24	90
PC300-6	207-25-61100	1532	1235	125	95	113	35-Ф26	40-M24 e	90
PC300LC-5	207-25-51100	1532	1235	125	95	113	35-M24	40-M24	90
PC300LC-6	207-25-61100	1532	1235	125	95	113	35-Ф26	40-M24	90
PC300LC-7	207-25-61100	1532	1235	125	95	113	35-Ф26	40-M24	90
PC350-6	207-25-61100	1532	1235	125	95	113	35-Ф26	40-M24	90
PC350LC-7	207-25-61100	1532	1235	125	95	113	35-Ф26	40-M24	90
PC340	207-25-61200	1532	1235	124	95	113	35-Ф26	40-M24*3	90
PC340LC-6	207-25-68200	1532	1235	125	95	113	35-Ф26	40-M24 e	90
PC340LC-7	207-25-61100	1532	1235	125	95	113	35-Ф26	40-M24	90
PC160-7	21K-25-00101	1224	973	82	67	74	32-Ф24 un	36-M22 e	99
PC360-7		1532	1235	125	95	113	35-Ф26	40-M24 e	90
PC400-6	208-25-61100	1563	1238	152	108	140	35-Ф29	40-M24 e	84
PC400-7	208-25-61100	1563	1240	152	108	140	35-Ф29	40-M24 e	84
PC400LC-5	208-25-52100	1563	1238	152	108	140	35-Ф29	40-M24 e	84
PC400LC-5	208-25-52101	1563	1238	152	108	140	35-Ф29	40-M24 e	84
PC400LC-5	208-25-A2100	1563	1238	152	108	140	35-Ф29	40-M24 e	84
PC400LC-6	208-25-61100	1563	1238	152	108	140	35-Ф29	40-M24 e	84
PC450LC-6/7	208-25-61100	1563	1238	152	108	140	35-Ф29	40-M24 e	84
PC600-7	21M-25-11100	1794	1380	190	138	160	35-Ф33	44-Ф29	100
PC600LC-6	21M-25-11100	1794	1380	190	138	160	35-Ф33	44-Ф29	100
PC600LC-8	21M-25-11101	1794	1380	190	138	160	35-Ф33	44-Ф29	100
PC750	209-25-00102	1977	1512	172	138	156	44	48	86
PC800(8R)	209-25-00102	1977	1512	172	138	156	44	48	86

                                                                 

  ∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷
 

Production Process

∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷
 

Raw material
Our excavator slewing bearings are made of high quality bar steel of 50Mn or 42CrMo which forged into bearing rings strictly accordance with the national standards of forging.

Raceway hardening
The bearing groove is quenched by the advanced automatic tracking induction quenching equipment, which can accurately control the quenching hardness and hardening depth of the groove, and ensure the slewing bearings are firm and durable.

Gear hardening
The single tooth quenching is adopted to ensure that the tooth surface and groove reach the standard quenching hardness and the inside of the tooth is soft, which guarantees the high wear resistance and impact resistance of the teeth, greatly improves the life of the teeth and reduces the risk of broken teeth.

∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷

Our excavator slewing bearing use high-quality raw materials, scientific and rigorous processing methods to achieve the mostsuperior performance.

Our company inspecter will check the products one by one before we sent it out, and we can also follow customers' special requests to control the quality. We have got little feedback of quality issue from customers these years. So please rest assure.

∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷

Our products have been sold to 70 countries and regions around the world.And the slewing bearing quality assurance period for 1 year, installation services support forever. Special heavy large products for 48 hours global service.

∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷

Convenient transportaion and flexible logistics method

∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷

Exhibitions Show

∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷

Our factory

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.