High Precision Cross Roller Slewing Bearing

SWBTEC SLEWING BEARING

High Precision Cross Roller Slewing Bearing

We provide high-precision crossed roller slewing bearings, such as RU/XSU series, which are made of high-strength GCr15SiMn, with micron-level grinding process to achieve axial/radial runout accuracy of ≤0.005mm, and coefficient of friction lower than the industry standard by 30%. Through thousands of hours of continuous load test, anti-deformation, micro-motion wear resistance, suitable for industrial robots, precision machine tools and medical equipment, with zero clearance engagement and 99.9% dynamic balance, guarding high-end equipment for more than ten years of precise operation!

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Product Documentation

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SLEWING BEARING parameter details

Shaft	MODEL		DIMENSION				Mounting dimensions		CRBC		CAB		N.W
Shaft	WITH CAGE	Full Complement	INNER RING d	OUTER RING D	WIDTH B	Chamfer	ds	Dh	Dynamic load rating C(KN)	Static load rating Co(KN)	Dynamic loadrating C(KN)	Static load rating Co(KN)	Kg
40	CRBC 4010	CRB 4010	40	65	10	03	44	54	4.28	5 14	5 98	8.04	0.15
50	CRBC 5013	CRB 5013	50	80	13	0.6	55	71	10.7	12.6	14.2	18.4	0.29
60	CRBC 6013	CRB 6013	60	90	13	0.6	64	81	11.6	14.6	15.4	21.5	0.33
70	CRBC 7013	CRB 7013	70	100	13	0.6	75	91	12.3	16.7	17	25.5	0.38
80	CRBC 8016	CRB 8016	80	120	16	06	86	107	18.2	25.5	24.3	37.5	0 74
90	CRBC 9016	CRB 9016	90	130	16	1	98	118	19.4	28.6	25.9	42.1	0.81
100	CRBC10020	CRB 10020	100	150	20	1	108	134	31.5	45.1	39.4	61.1	1.45
110	CRBC11020	CRB 11020	110	160	20	1	118	144	33.5	50.7	41.2	66.7	1.56
120	CRBC12025	CRB 12025	120	180	25	1.5	132	164	47.7	70.5	59.9	95. 4	2.62
130	CRBC13025	CAB 13025	130	190	25	15	140	172	49.2	74.8	61	998	2.82
140	CRBC14025	CRB 14025	140	200	25	1.5	151	183	50.7	79.2	64.1	108	2.96
150	CRBC15025	CRB 15025	150	210	25	1.5	160	192	53.8	87.7	65	113	3.16
150	CRBC15030	CRB 15030	150	230	30	1.5	166	202	69.2	108	85.9	144	5.3
200	CRBC20025	CAB 20025	200	260	25	2	208	239	60.2	110	75.3	148	4
	CRBC20030	CRB 20030	200	280	30	2	218	262	108	178	133	234	6.7
	CRBC20035	CRB 20035	200	295	35	2	221	274	137	215	168	282	9.58
250	CRBC25025	CRB 25025	250	310	25	2.5	259	290	67.2	136	83.9	183	4.97
	CRBC25030	CRB 25030	250	330	30	2.5	265	310	116	208	146	283	8.1
	CRBC25040	CRB 25040	250	355	40	2.5	271	330	179	299	215	382	14.8
300	CRBC30025	CRB 30025	300	360	25	2.5	310	341	74	162	91.9	217	5.88
	CRBC30035	CRB 30035	300	395	35	2.5	318	372	163	299	205	408	13.4
	CRBC30040	CRB 30040	300	405	40	2.5	321	381	194	351	235	451	17.2
400	CRBC40035	CRB 40035	400	480	35	2.5	414	457	133	300	165	400	14.5
	CRBC40040	CRB 40040	400	510	40	2.5	423	483	222	455	270	590	23.5
	CRBC40070	CRB 40070	400	580	70	2.5	430	532	470	811	576	1060	72.4
500	CRBC50040	CRB 50040	500	600	40	2.5	517	573	211	497	259	648	26
	CRBC50050	CRB 50050	500	625	50	2.5	531	592	247	561	306	747	41.7
	CRBC50070	CRB 50070	500	680	70	2.5	530	633	536	1020	653	1330	86.1
600	CRBC60040	CRB 60040	600	700	40	3	621	676	231	581	287	774	30.6
	CRBC60070	CRB 60070	600	780	70	3	630	734	591	1230	700	1540	102
	CRBC600120	CRB 600120	600	870	120	3	643	817	1250	2210	1490	2800	274
700	CRBC70045	CRB 70045	700	815	45	3	730	785	250	681	301	917	46.5
	CRBC70070	CRB 70070	700	880	70	3	731	834	630	1390	766	1810	115
	CRBC700150	CRB 700150	700	1020	150	3	751	953	1660	3010	1980	3820	478
800	CRBC80070	CRB 80070	800	950	70	4	831	907	417	1090	513	1440	109
800	CRBC800100	CRB 800100	800	1030	100	4	840	972	936	2040	1140	2640	247

WHY CHOOSE SWBTEC

From the very beginning of the selection and design and drawing quotation to shipment and after-sales service, we will have experienced technical team and sales team to track the whole process.

After about 20 years of development, SWBTEC has obvious advantages in the peer group, no matter from the quality to the price.

ISO 9001-Certified Quality Management

Our adherence to globally recognized ISO 9001 standards ensures consistent product excellence, rigorous process control, and continuous improvement across every production stage.

Rigorous Internal Quality Control

From raw material inspection to final assembly, our multi-layered quality protocols guarantee precision, durability, and compliance with industry specifications.

20 Years of Expertise in Slewing Bearing Manufacturing

Two decades of specialized experience empower us to deliver reliable, industry-tailored solutions backed by deep technical knowledge and proven performance.

Expert Engineering & Innovative Design Capabilities

Our seasoned engineers leverage cutting-edge tools and hands-on experience to create customized, high-efficiency designs for diverse operational demands.

Annual R&D Investment for Technological Advancement

Dedicated yearly funding drives slewing rings production process optimization, and next-gen slew ring solutions to stay ahead of evolving market needs.

Regularly upgraded CNC equipment and machine

Regularly updated CNC machines ensure micron-level precision, repeatable tolerances (±0.01 mm) and perfect geometrical consistency in every dimension.

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We are ready to answer your any questions.

ABOUT SWBTEC

Precision in Rotation: Your Trusted Partner in Slewing Bearing

Established as a leading manufacturer of high-performance slewing bearings, SWBTEC has been at the forefront of innovation and reliability since our inception. With over 65% of our products exported to global markets since 2007, we have solidified our reputation as a trusted OEM supplier to major domestic and international equipment manufacturers. Our commitment to precision engineering, stringent quality control, and customer-centric solutions has positioned us as a preferred partner across industries requiring slewing bearings.

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About Us

Precision in Rotation: Your Trusted Partner in Slewing Bearing

Established as a leading manufacturer of high-performance slewing bearings, SWBTEC has been at the forefront of innovation and reliability since our inception. With over 65% of our products exported to global markets since 2007, we have solidified our reputation as a trusted OEM supplier to major domestic and international equipment manufacturers.

Our commitment to precision engineering, stringent quality control, and customer-centric solutions has positioned us as a preferred partner across industries requiring slewing bearings.

Two Decades of Expertise, Delivering Excellence

Our journey began with a vision to redefine industry standards, driven by a team of seasoned professionals. Our technical and production leaders bring over 20 years of specialized experience in slewing bearing design and manufacturing.

Our workforce includes 70 highly skilled employees, 90% of whom possess more than 8 years of hands-on experience in CNC machining and precision engineering—ensuring each piece meets the demanding needs of diverse industries.

Advanced Manufacturing Capabilities

Our vertically integrated facility includes cutting-edge CNC machining centers and offers complete control over the entire production process:

Precision Machining: Advanced CNC lathes and high-precision hobbing machines for micron-level gear and raceway accuracy.
Heat Treatment Excellence: In-house induction hardening and tempering ensure resistance and durability.
Threading Perfection: German-brand extrusion taps produce ISO-compliant threads for unmatched reliability.

With a monthly output of over 2,500 units, we combine efficiency with meticulous attention to detail.

Quality: The Foundation of Our Legacy

Quality is embedded in our DNA. Our dual-certified system includes:

ISO 9001 Compliance: International quality management standards.
Proprietary QC Protocols: Full-spectrum inspection: material testing, dimensional verification, load capacity validation.

We maintain near-zero customer complaints, a 99% on-time delivery rate, and 100% batch traceability for full accountability.

Global Reach, Localized Impact

SWBTEC slewing rings serve critical applications in over 9 countries:

Construction Machinery: Slewing rings for excavators, cranes, and aerial platforms.
Sustainable Infrastructure: Custom solutions for wastewater rotators and forestry harvesters.
Specialized Equipment: High-precision slewing bearings for medical imaging devices.

We actively participate in major exhibitions such as Bauma Germany, CONEXPO-CON/AGG Las Vegas, and Shanghai Bauma to foster global engagement.

Driving the Future of Slewing Bearing

As industries evolve, so do we. Our R&D efforts focus on:

Process Innovation: Custom slewing bearings with varied materials and ultra-thin complex structures.
Cost Optimization: Lean manufacturing to reduce costs by 15% over two years—without sacrificing quality.

Why Partner With Us?

Proven Reliability: 16 years of flawless export performance.
Technical Agility: Custom engineering support for complex applications.
Total Quality Commitment: “Zero Defect” shipment policy.

Join the Revolution in Slewing Bearing Technology

SWBTEC is more than a supplier—we’re your engineering ally. Whether improving existing equipment or innovating next-gen systems, our precision solutions boost your competitive edge.

Explore how our slewing bearings can transform your applications. Contact us today for technical specs or a facility audit.

Precision Engineered. Globally Trusted.
SWBTEC – Where Slewing Bearings Meet Innovation.

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QUALITY / CERTIFICATES

At SWBTEC, quality is the foundation of everything we do. We have established a comprehensive quality control system that covers every stage of production — from raw material sourcing to final inspection.

Our manufacturing process strictly follows ISO 9001 quality management standards.

Our commitment to quality is not just a promise — it’s proven by certifications and trusted by customers worldwide.

Comprehensive Quality Control

Precision dimensions, controlled raceway & gear hardness/depth, optimized clearance, minimized runout

Certified for Global Applications

We also support custom quality requirements and third-party testing. No matter the industry — robotics, mining, or packaging — our products meet both international standards and client expectations.

CUSTOMER REVIEWS

★ ★ ★ ★ ★

“We’ve been sourcing slewing bearings from SWBTEC for over five years. Their products are durable, precise, and handle our heavy-duty excavators perfectly. After-sales support is also fast and professional.”

Alex Gorsky

Heavy Industry Enterprises

★ ★ ★ ★ ★

“SWBTEC’s bearings helped improve our production line stability. The consistent quality and long service life save us a lot on maintenance downtime. Truly a reliable partner!”

Gary L.

Factory Supervisor

★ ★ ★ ★ ★

“For our cranes, bearing reliability is critical. SWBTEC delivers exactly what we need—high load capacity, smooth operation, and dependable lead times. Highly recommended.”

James P.

Crane Manufacturers

APPLICATION FIELDS

Construction Industry

Excavator

SWBTEC‘s slewing bearings are used in excavator components

Slewing bearings are often used in excavators to connect structures, achieve rotation, load bearing and stability, etc.

Construction Industry

Crane

Load-bearing and structural connections

Construction Industry

Aerial Work Platform

Support and connect and bear multi-directional loads

Industrial Machinery

Packing Machine

Stable rotary table and high-precision positioning

Medical Equipment

Stable structure, precise rotation control

Forestry And Farming

Withstand heavy loads and operate in harsh environments

Water Treatment

Sedimentation tank scrapers and filters, etc.

Filling Machine

Supports rotating table or filling turntable

Mining Industry

Supports heavy loads and enables rotational motion

Precision Robot

Precisely control the rotation of robot joints

OUR SERVICES

We provide the best services for our customers for sure.

Pre-Sale Services

Our professional engineer which has rich experience in slewing bearing and seller who has rich experience in export business will provide the best advice based on your special requirement.

After-Sale Services

Any feedback of product quality will be replied within 24 hours, new one will be sent out for compensation if any quality problem happened Although the probability of occurrence is very small.

Documents Download

You can click here to download all our supporting documents, including SWBTEC product catalogs, product details, manufacturers, installation and maintenance instructions, etc.

FAQS

1.Which industries are your slewing bearings used in?

Our slewing bearings are widely used in excavators, cranes, aerial work platform, packing machine, Medical equipment, forestry and farming, water treatment, filling machine, Mining Industry and precision robot.

2.Do you offer custom designs?

Yes, we offer custom design and manufacturing based on customer drawings or technical requirements.

3.What is your typical lead time?

For standard models, the lead time is 15–30 days. Custom products may take longer depending on specifications.

4.Which countries do you export to?

We export to countries including Germany, the USA, Japan, South Korea, Italy, Spain, and the UK, among others.

5.What certifications do you have?

We are ISO 9001 certified and continuously improve our manufacturing and inspection processes.

6.How do you ensure product quality?

Every product is tested for dimensions, hardness, gear and raceway quenching quality, and operational performance before delivery.

7.Do you provide installation guidance?

Yes, we provide installation manuals and can offer remote technical support if needed.

8.What if there’s a problem with the product?

We offer warranty support. If any quality issue occurs, please contact our after-sales team for prompt assistance.

9.How can I choose the right slewing bearing model?

We can recommend the appropriate model based on your load, installation space, and working conditions. Custom designs based on drawings are also available.

10.Do you provide 3D drawings or technical documents?

Yes, we can provide 2D drawings, 3D CAD models, and technical documents to assist in your design and selection process.

11.Do slewing bearings require maintenance?

Yes, regular lubrication and inspection are required. We provide maintenance manuals to help extend the bearing’s service life.

12.Is there a minimum order quantity (MOQ)?

We accept small trial orders. The MOQ can be negotiated based on the product type.

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NINGGUO SWBTEC INDUSTRY CO.,LTD

Location

Ningguo Dadao, Ningguo Economic Develope Zone, Ningguo,Xuancheng,Anhui,China

Email

sales@ngswbtec.com

WhatsApp

+8618098501069

Make a Call

+86 5634113031

Fax

5634113031

SWBTEC SLEWING BEARING

High Precision Cross Roller Slewing Bearing

We provide high-precision crossed roller slewing bearings, such as RU/XSU series, which are made of high-strength GCr15SiMn, with micron-level grinding process to achieve axial/radial runout accuracy of ≤0.005mm, and coefficient of friction lower than the industry standard by 30%. Through thousands of hours of continuous load test, anti-deformation, micro-motion wear resistance, suitable for industrial robots, precision machine tools and medical equipment, with zero clearance engagement and 99.9% dynamic balance, guarding high-end equipment for more than ten years of precise operation!

Contact Us

Product Documentation

Parameter details

Shaft	MODEL		DIMENSION				Mounting dimensions		CRBC		CAB		N.W
Shaft	WITH CAGE	Full Complement	INNER RING d	OUTER RING D	WIDTH B	Chamfer	ds	Dh	Dynamic load rating C(KN)	Static load rating Co(KN)	Dynamic loadrating C(KN)	Static load rating Co(KN)	Kg
40	CRBC 4010	CRB 4010	40	65	10	03	44	54	4.28	5 14	5 98	8.04	0.15
50	CRBC 5013	CRB 5013	50	80	13	0.6	55	71	10.7	12.6	14.2	18.4	0.29
60	CRBC 6013	CRB 6013	60	90	13	0.6	64	81	11.6	14.6	15.4	21.5	0.33
70	CRBC 7013	CRB 7013	70	100	13	0.6	75	91	12.3	16.7	17	25.5	0.38
80	CRBC 8016	CRB 8016	80	120	16	06	86	107	18.2	25.5	24.3	37.5	0 74
90	CRBC 9016	CRB 9016	90	130	16	1	98	118	19.4	28.6	25.9	42.1	0.81
100	CRBC10020	CRB 10020	100	150	20	1	108	134	31.5	45.1	39.4	61.1	1.45
110	CRBC11020	CRB 11020	110	160	20	1	118	144	33.5	50.7	41.2	66.7	1.56
120	CRBC12025	CRB 12025	120	180	25	1.5	132	164	47.7	70.5	59.9	95. 4	2.62
130	CRBC13025	CAB 13025	130	190	25	15	140	172	49.2	74.8	61	998	2.82
140	CRBC14025	CRB 14025	140	200	25	1.5	151	183	50.7	79.2	64.1	108	2.96
150	CRBC15025	CRB 15025	150	210	25	1.5	160	192	53.8	87.7	65	113	3.16
150	CRBC15030	CRB 15030	150	230	30	1.5	166	202	69.2	108	85.9	144	5.3
200	CRBC20025	CAB 20025	200	260	25	2	208	239	60.2	110	75.3	148	4
	CRBC20030	CRB 20030	200	280	30	2	218	262	108	178	133	234	6.7
	CRBC20035	CRB 20035	200	295	35	2	221	274	137	215	168	282	9.58
250	CRBC25025	CRB 25025	250	310	25	2.5	259	290	67.2	136	83.9	183	4.97
	CRBC25030	CRB 25030	250	330	30	2.5	265	310	116	208	146	283	8.1
	CRBC25040	CRB 25040	250	355	40	2.5	271	330	179	299	215	382	14.8
300	CRBC30025	CRB 30025	300	360	25	2.5	310	341	74	162	91.9	217	5.88
	CRBC30035	CRB 30035	300	395	35	2.5	318	372	163	299	205	408	13.4
	CRBC30040	CRB 30040	300	405	40	2.5	321	381	194	351	235	451	17.2
400	CRBC40035	CRB 40035	400	480	35	2.5	414	457	133	300	165	400	14.5
	CRBC40040	CRB 40040	400	510	40	2.5	423	483	222	455	270	590	23.5
	CRBC40070	CRB 40070	400	580	70	2.5	430	532	470	811	576	1060	72.4
500	CRBC50040	CRB 50040	500	600	40	2.5	517	573	211	497	259	648	26
	CRBC50050	CRB 50050	500	625	50	2.5	531	592	247	561	306	747	41.7
	CRBC50070	CRB 50070	500	680	70	2.5	530	633	536	1020	653	1330	86.1
600	CRBC60040	CRB 60040	600	700	40	3	621	676	231	581	287	774	30.6
	CRBC60070	CRB 60070	600	780	70	3	630	734	591	1230	700	1540	102
	CRBC600120	CRB 600120	600	870	120	3	643	817	1250	2210	1490	2800	274
700	CRBC70045	CRB 70045	700	815	45	3	730	785	250	681	301	917	46.5
	CRBC70070	CRB 70070	700	880	70	3	731	834	630	1390	766	1810	115
	CRBC700150	CRB 700150	700	1020	150	3	751	953	1660	3010	1980	3820	478
800	CRBC80070	CRB 80070	800	950	70	4	831	907	417	1090	513	1440	109
800	CRBC800100	CRB 800100	800	1030	100	4	840	972	936	2040	1140	2640	247

our advantages

From the selection and design and drawing quotation to shipment and after-sales service, we will have experienced team to track the whole process.

ISO 9001-Certified Quality Management

Our adherence to globally recognized ISO 9001 standards ensures consistent product excellence, rigorous process control, and continuous improvement.

Rigorous Internal Quality Control

From raw material inspection to final assembly, our multi-layered quality protocols guarantee precision, durability, and compliance with industry specifications.

20 Years of Expertise in Slewing Bearing Manufacturing

Two decades of specialized experience empower us to deliver reliable, industry-tailored solutions backed by deep technical knowledge and proven performance.

ABOUT SWBTEC

Established as a leading manufacturer of high-performance slewing bearings, SWBTEC has been at the forefront of innovation and reliability since our inception. With over 65% of our products exported to global markets since 2007, we have solidified our reputation as a trusted OEM supplier to major domestic and international equipment manufacturers. Our commitment to precision engineering, stringent quality control, and customer-centric solutions has positioned us as a preferred partner across industries requiring slewing bearings.

ISO quality certification

Experienced Bearing mechanic

quality inspection system

focus on slewing bearings

our factory

SWBTEC operates a modern slewing bearing production base equipped with precision CNC machines, large-scale turning centers, and fully automated assembly lines. Our facilities support both standard and custom bearing solutions with high efficiency.

CERTIFICATES

Comprehensive Quality Control

All key components undergo strict inspection, including gear precision, hardness, and raceway smoothness. Advanced testing tools ensure every bearing meets our high standards before shipment.

Certified for Global Applications

We also support custom quality requirements and third-party testing. No matter the industry — robotics, mining, or packaging — our products meet both international standards and client expectations.

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