Three Row Roller Slewing Bearing

SWBTEC SLEWING BEARING

Three Row Roller Slewing Bearing

Focus on three rows slewing bearing R & D and manufacturing, the use of high-strength alloy steel and precision quenching process, three rows of roller structure to optimise the load distribution, fatigue strength increased by 50%, axial/radial runout accuracy of more than 30% of the national standard, the strict dust sealing design, abrasion-resistant, deformation-resistant, adaptable to heavy machinery, port equipment, to the ultra-long service life and zero-failure performance, to ensure that the core components of the ten-year worry-free operation!

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Product Documentation

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SLEWING BEARING parameter details

Three Row Roller Slewing Bearing
MODEL			DIMENSION			MOUNTING HOLE						STRUCTURE			GEAR DATA			External Gear Data		Internal Gear Data		N.W
Without Gear	External Gear	Internal Gear	D	d	H	D1	D2	n	THROUGH HOLE	SCREW HOLE		n1	H1	h	b	x	m	da	Z	da	Z	kg
									0 SEIRLA	1.2.3 SERIAL
									φ	φ	T
130.25.500	131.25.500	133.25.500	634	366	148	598	402	24	18	M16	32	4	138	32	80	0.5	5	664	130	337	68	224
	132.25.500	134.25.500															6	664.8	108	338.4	57
130.25.560	131.25.560	133.25.560	694	426	148	658	462	24	18	M16	32	4	138	32	80	0.5	5	724	142	397	80	240
	132.25.560	134.25.560															6	724.8	118	398.4	67
130.25.630	131.25.630	133.25.630	764	496	148	728	532	28	18	M16	32	4	138	32	80	0.5	6	808.8	132	458.4	77	270
	132.25.630	134.25.630															8	806.4	98	459.2	58
130.25.710	131.25.710	133.25.710	844	576	148	808	612	28	18	M16	32	4	138	32	80	0.5	6	886.8	145	536.4	90	300
	132.25.710	134.25.710															8	886.4	108	539.2	68
130.32.800	131.32.800	133.32.800	964	636	182	920	680	36	22	M20	40	4	172	40	120	0.5	8	1006.4	123	595.2	75	500
	132.32.800	134.32.800															10	1008	98	594	60
130.32.900	131.32.900	133.32.900	1064	736	182	1020	780	36	22	M20	40	4	172	40	120	0.5	8	1102.4	135	691.2	87	600
	132.32.900	134.32.900															10	1108	108	694	70
130.32.1000	131.32.1000	133.32.1000	1164	836	182	1120	880	40	22	M20	40	5	172	40	120	0.5	10	1218	119	784	79	680
	132.32.1000	134.32.1000															12	1221.6	99	784.8	66
130.32.1120	131.32.1120	133.32.1120	1284	956	182	1240	1000	40	22	M20	40	5	172	40	120	0.5	10	1338	131	904	91	820
	132.32.1120	134.32.1120															12	1341.6	109	904.8	76
130.40.1250	131.40.1250	133.40.1250	1445	1055	220	1393	1107	45	26	M24	48	5	210	50	150	0.5	12	1509.6	123	988.8	83	1200
	132.40.1250	134.40.1250															14	1509.2	105	985.6	71
130.40.1400	131.40.1400	133.40.1400	1595	1205	220	1543	1257	45	26	M24	48	5	210	50	150	0.5	12	1665.6	136	1144.8	96	1300
	132.40.1400	134.40.1400															14	1663.2	116	1139.6	82
130.40.1600	131.40.1600	133.40.1600	1795	1405	220	1743	1457	48	26	M24	48	6	210	50	150	0.5	14	1873.2	131	1335.6	96	1520
	132.40.1600	134.40.1600															16	1868.8	114	1334.4	84
130.40.1800	131.40.1800	133.40.1800	1995	1605	220	1943	1657	48	26	M24	48	6	210	50	150	0.5	14	2069.2	145	1531.6	110	1750
	132.40.1800	134.40.1800															16	2076.8	127	1526.4	96
130.45.2000	131.45.2000	133.45.2000	2221	1779	231	2155	1845	60	33	M30	60	6	219	54	160	0.5	16	2300.8	141	1702.4	107	2400
	132.45.2000	134.45.2000															18	2300.4	125	1699.2	95
130.45.2240	131.45.2240	133.45.2240	2461	2019	231	2395	2085	60	33	M30	60	6	219	54	160	0.5	16	2556.8	157	1926.4	121	2700
	132.45.2240	134.45.2240															18	2552.4	139	1933.2	108
130.45.2500	131.45.2500	133.45.2500	2721	2279	231	2655	2345	72	33	M30	60	8	219	54	160	0.5	18	2822.4	154	2185.2	122	3000
	132.45.2500	134.45.2500															20	2816	138	2188	110

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.

Get product information and quotes.

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.

Single Row Ball Slewing Bearing

Slewing Ring Bearing With External Gear

Slewing Bearing Without Gear

Double Row Ball Slewing Bearing

Slewing Bearing With Internal Gear

Cross Roller Slewing Bearing

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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.

RELATED PRODUCTS

Double Row Ball Slewing Bearing

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Cross Roller Slewing Bearing

Get a Quote

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

Three Row Roller Slewing Bearing

Focus on three rows slewing bearing R & D and manufacturing, the use of high-strength alloy steel and precision quenching process, three rows of roller structure to optimise the load distribution, fatigue strength increased by 50%, axial/radial runout accuracy of more than 30% of the national standard, the strict dust sealing design, abrasion-resistant, deformation-resistant, adaptable to heavy machinery, port equipment, to the ultra-long service life and zero-failure performance, to ensure that the core components of the ten-year worry-free operation!

Contact Us

Product Documentation

Parameter diagram

Parameter details

Three Row Roller Slewing Bearing
MODEL			DIMENSION			MOUNTING HOLE						STRUCTURE			GEAR DATA			External Gear Data		Internal Gear Data		N.W
Without Gear	External Gear	Internal Gear	D	d	H	D1	D2	n	THROUGH HOLE	SCREW HOLE		n1	H1	h	b	x	m	da	Z	da	Z	kg
									0 SEIRLA	1.2.3 SERIAL
									φ	φ	T
130.25.500	131.25.500	133.25.500	634	366	148	598	402	24	18	M16	32	4	138	32	80	0.5	5	664	130	337	68	224
	132.25.500	134.25.500															6	664.8	108	338.4	57
130.25.560	131.25.560	133.25.560	694	426	148	658	462	24	18	M16	32	4	138	32	80	0.5	5	724	142	397	80	240
	132.25.560	134.25.560															6	724.8	118	398.4	67
130.25.630	131.25.630	133.25.630	764	496	148	728	532	28	18	M16	32	4	138	32	80	0.5	6	808.8	132	458.4	77	270
	132.25.630	134.25.630															8	806.4	98	459.2	58
130.25.710	131.25.710	133.25.710	844	576	148	808	612	28	18	M16	32	4	138	32	80	0.5	6	886.8	145	536.4	90	300
	132.25.710	134.25.710															8	886.4	108	539.2	68
130.32.800	131.32.800	133.32.800	964	636	182	920	680	36	22	M20	40	4	172	40	120	0.5	8	1006.4	123	595.2	75	500
	132.32.800	134.32.800															10	1008	98	594	60
130.32.900	131.32.900	133.32.900	1064	736	182	1020	780	36	22	M20	40	4	172	40	120	0.5	8	1102.4	135	691.2	87	600
	132.32.900	134.32.900															10	1108	108	694	70
130.32.1000	131.32.1000	133.32.1000	1164	836	182	1120	880	40	22	M20	40	5	172	40	120	0.5	10	1218	119	784	79	680
	132.32.1000	134.32.1000															12	1221.6	99	784.8	66
130.32.1120	131.32.1120	133.32.1120	1284	956	182	1240	1000	40	22	M20	40	5	172	40	120	0.5	10	1338	131	904	91	820
	132.32.1120	134.32.1120															12	1341.6	109	904.8	76
130.40.1250	131.40.1250	133.40.1250	1445	1055	220	1393	1107	45	26	M24	48	5	210	50	150	0.5	12	1509.6	123	988.8	83	1200
	132.40.1250	134.40.1250															14	1509.2	105	985.6	71
130.40.1400	131.40.1400	133.40.1400	1595	1205	220	1543	1257	45	26	M24	48	5	210	50	150	0.5	12	1665.6	136	1144.8	96	1300
	132.40.1400	134.40.1400															14	1663.2	116	1139.6	82
130.40.1600	131.40.1600	133.40.1600	1795	1405	220	1743	1457	48	26	M24	48	6	210	50	150	0.5	14	1873.2	131	1335.6	96	1520
	132.40.1600	134.40.1600															16	1868.8	114	1334.4	84
130.40.1800	131.40.1800	133.40.1800	1995	1605	220	1943	1657	48	26	M24	48	6	210	50	150	0.5	14	2069.2	145	1531.6	110	1750
	132.40.1800	134.40.1800															16	2076.8	127	1526.4	96
130.45.2000	131.45.2000	133.45.2000	2221	1779	231	2155	1845	60	33	M30	60	6	219	54	160	0.5	16	2300.8	141	1702.4	107	2400
	132.45.2000	134.45.2000															18	2300.4	125	1699.2	95
130.45.2240	131.45.2240	133.45.2240	2461	2019	231	2395	2085	60	33	M30	60	6	219	54	160	0.5	16	2556.8	157	1926.4	121	2700
	132.45.2240	134.45.2240															18	2552.4	139	1933.2	108
130.45.2500	131.45.2500	133.45.2500	2721	2279	231	2655	2345	72	33	M30	60	8	219	54	160	0.5	18	2822.4	154	2185.2	122	3000
	132.45.2500	134.45.2500															20	2816	138	2188	110

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.

RELATED PRODUCTS