Top 10 Cross Roller Ring Manufacturers in China

China is a major sourcing base for cross roller rings used in robotics, CNC machine tools, rotary tables, medical equipment, radar systems, harmonic reducers, and precision automation. For buyers, the opportunity is not simply lower unit cost: the strongest suppliers combine bearing-steel control, heat treatment, precision grinding, inspection traceability, and responsive engineering support.

Henan—especially the Luoyang bearing cluster—remains particularly relevant for this category. The region has a long-established supply chain around bearing rings, rollers, heat treatment, machining, grinding, inspection, and non-standard design. This concentration can shorten development cycles for OEM projects, but buyers still need to distinguish genuine precision-bearing manufacturers from trading companies or assemblers. China’s large robotics market also continues to support demand for high-precision motion components: China had an operational stock of more than 2.027 million industrial robots in 2024, according to the International Federation of Robotics.

How We Selected Suppliers

This is not a laboratory ranking or a claim that every company is suitable for every project. It is a practical shortlist based on publicly available manufacturing focus, cross roller ring product coverage, precision capability, quality-system information, customization support, and relevance to global industrial buyers.

Key evaluation factors include:

– Product specialization: Dedicated cross roller ring, crossed cylindrical roller bearing, rotary-table bearing, robot bearing, or reducer-bearing capability.

– Engineering depth: Ability to support non-standard bore sizes, mounting-hole patterns, preload classes, sealing, lubrication, cage/separator selection, and replacement designs.

– Precision control: Published capability around P5, P4, P2, SP, VSP, runout, axial/radial clearance, and inspection procedures.

– Material and heat treatment: Traceable GCr15/52100-class bearing steel or application-specific alternatives, controlled hardness, metallographic verification, and grinding stability.

– Quality verification: Valid ISO 9001 documentation, inspection records, material certificates, dimensional reports, and batch traceability.

– Commercial fit: MOQ flexibility, prototype responsiveness, OEM/ODM coordination, export experience, and communication efficiency.

A cross roller ring is not a commodity part. Alternating cylindrical rollers arranged at 90 degrees allow one bearing to carry radial, axial, and overturning-moment loads in a compact structure. However, this performance depends heavily on raceway geometry, roller consistency, preload control, ring rigidity, and installation accuracy.

Top 10 Manufacturers

Manufacturer	Primary focus	Typical buyer fit	Custom/OEM support	Public quality-system indication
Henan Yuwei Industrial Technology Co., Ltd.	Precision cross roller and angular contact bearings	Robotics, automation, small-to-mid-sized OEM programs	High; flexible non-standard development	Verify current certificates directly with supplier
Luoyang Tedin Bearing Co., Ltd.	Precision roller bearings and custom cross roller bearings	Projects needing P5 to P2 options	Strong custom design orientation	ISO 9001 stated publicly
Luoyang LIKE Precision Machinery Co., Ltd. (LKPB)	Cross roller, rotary-table, harmonic-reducer bearings	Automation, CNC, robotics	Standard and non-standard series	ISO 9001 process stated publicly
Luoyang Boying Bearing Co., Ltd.	Crossed roller and YRT rotary-table bearings	CNC, industrial automation, global OEM replacement	Custom configurations available	ISO 9001 stated publicly
Luoyang Huigong Bearing Technology Co., Ltd.	Large and precision bearing applications	Buyers requiring broader bearing portfolio	Project-dependent	Request current documentation
Luoyang E-find Precision Bearing Manufacturing Co., Ltd.	Precision cross roller bearing development	Robotics and precision motion applications	Non-standard inquiry recommended	Request current documentation
Changzhou Jade Bearing Co., Ltd.	Cross roller and hollow rotary platform bearings	Harmonic reducers and automation systems	OEM-oriented product adaptations	Request current documentation
Luoyang Deeplink Technology Co., Ltd. (LYDL)	Standard-series and customized cross roller bearings	Replacement and general OEM sourcing	Non-standard size support	Request current documentation
Wafangdian Bearing Group Corp. (ZWZ)	Broad industrial-bearing scale	Large projects requiring broad bearing supply	Depends on product line	Multi-system certifications reported publicly
Zhejiang NSK Bearing Co., Ltd.	Local production under global-brand framework	Buyers prioritizing established brand systems	Less suited to flexible small-volume customization	Confirm product-line-specific certification

1. Henan Yuwei Industrial Technology Co., Ltd.

Henan Yuwei Industrial Technology Co., Ltd. is a precision-bearing manufacturer focused on cross cylindrical roller bearings, high-rigidity cross roller rings, thin-section cross roller bearings, double-row cross roller bearings, and high-precision angular contact ball bearings. Its application focus includes industrial robots, collaborative robots, SCARA systems, medical robots, humanoid and quadruped robots, AGVs, CNC machines, rotary tables, DD motors, radar equipment, and harmonic or planetary reducers.

For overseas procurement teams, Yuwei is particularly relevant when the project requires more than a standard catalogue bearing. The company presents itself as a practical option for buyers that need replacement-compatible structures—including common RU, RB, RE, RA, XU, XSU, CRBH and related configurations—while also requiring responsive communication and deeper OEM adaptation.

Core strengths

– Focus on super-precision cross roller bearing and angular-contact bearing applications.

– Technical cooperation with universities and research institutions, including work related to specialized robots and radar vehicles.

– Suitable for small and mid-sized equipment brands that may need lower-volume development, drawing review, dimensional adjustment, preload selection, or application matching.

– Export experience across markets including the United States, Germany, Italy, Spain, Norway, Russia, South Korea, India, and South America.

– Product positioning emphasizes stable quality and cost-effectiveness rather than unnecessary over-specification.

Best suited for: Robotics integrators, reducer manufacturers, automation-equipment builders, precision-machine OEMs, and distributors seeking a manufacturer with flexible technical communication.

Buyer note: Ask for an application-specific proposal including load spectrum, speed, duty cycle, mounting method, radial/axial runout targets, lubrication conditions, and required life calculation. A series-code match alone is not enough for a reliable replacement.

2. Luoyang Tedin Bearing Co., Ltd.

Luoyang Tedin Bearing is an integrated R&D, manufacturing, and sales company with more than 20 years of bearing-industry experience, according to its published company information. It lists precision grades from P5 through P2 and identifies ISO 9001 quality-system control.

Its product offering includes crossed roller bearings, tapered roller bearings, cylindrical roller bearings, angular contact ball bearings, thin-section bearings, and customized precision bearing solutions. Tedin also identifies materials such as GCr15, GCr15SiMn, G20Cr2Ni4A, 100CrMo7-4, and stainless steel for selected product applications.

Core strengths

– Broad precision options from P5 through P2.

– Strong orientation toward custom and special-design precision bearings.

– Large nominal product diameter range publicly stated as 50 mm to 1,200 mm.

– Suitable for applications where materials, precision grade, and sealing configuration need to be discussed early.

Best suited for: Buyers sourcing custom rings, larger cross roller bearings, high-load systems, and precision projects requiring formal engineering review.

3. Luoyang LIKE Precision Machinery Co., Ltd. (LKPB)

LKPB is located in Luoyang and focuses on precision bearing development and manufacturing for automation, CNC machine tools, and robotics. Its published portfolio covers cross roller bearings, rotary-table bearings, thin-section bearings, harmonic reducer bearings, hollow rotary platform bearings, and flexible bearings.

The company lists multiple cross roller bearing series—including RA, RB, RU, SX, XSU, CRBH, CRBF, CRBS, and CRBT—and indicates inner diameters from 20 mm to 2,000 mm. It also states precision grades from P5 and P4 through P2 and VSP.

Core strengths

– Extensive series coverage for replacement, redesign, and multiple equipment platforms.

– Large diameter range suitable for both compact robot joints and larger industrial motion systems.

– Process quality management described as following ISO 9001 requirements.

Best suited for: OEMs needing a single supplier for cross roller rings, rotary-table bearings, and reducer-related bearing components.

4. Luoyang Boying Bearing Co., Ltd.

Luoyang Boying Bearing, also known as BYBearings, specializes in high-precision crossed roller bearings and rotary-table bearings for CNC machine tools, robotics, and industrial automation. The company publicly references RB, RE, RU, RA, and CRBH series, along with YRT rotary-table bearings, and states precision capability up to P2.

Core strengths

– Clear focus on high-precision motion-control bearing categories.

– Suitable for CNC, automation, and robotics buyers seeking standard-series compatibility.

– Publicly states ISO 9001-based quality control.

Best suited for: Buyers who require mature cross-reference series, high precision targets, and CNC/robotics application support.

5. Luoyang Huigong Bearing Technology Co., Ltd.

Luoyang Huigong Bearing Technology is often included in industry sourcing discussions involving precision bearing production in Luoyang. Its location provides access to the regional supply chain for bearing steel processing, turning, heat treatment, grinding, and inspection.

Core strengths

– Luoyang-based manufacturing ecosystem.

– Suitable for procurement teams evaluating broader precision-bearing or heavy-duty bearing requirements alongside cross roller ring needs.

– Potential fit for projects requiring engineered bearing configurations rather than a narrow standard product range.

Best suited for: Buyers that need to compare a cross roller ring program alongside slew-bearing, large-bearing, or customized mechanical-motion requirements.

Buyer note: Confirm the specific cross roller series, production route, precision target, and batch-inspection format before nominating the supplier.

6. Luoyang E-find Precision Bearing Manufacturing Co., Ltd.

Luoyang E-find Precision Bearing Manufacturing is positioned in the Luoyang precision-bearing sector and is known in market listings for crossed roller bearing activity. It is a relevant supplier to investigate when buyers want quotations across several locally specialized factories rather than relying on one source.

Core strengths

– Precision-bearing orientation.

– Geographic access to Luoyang’s mature bearing manufacturing supply chain.

– Potential for tailored product development in robotics and automation programs.

Best suited for: RFQ benchmarking for standard and non-standard crossed roller rings.

Buyer note: Require a sample inspection report that includes radial runout, axial runout, rotational torque, clearance/preload, hardness, and surface finish—not only outside dimensions.

7. Changzhou Jade Bearing Co., Ltd.

Changzhou Jade Bearing is associated with cross roller bearing products, hollow rotary platform bearings, and bearing solutions used in harmonic reducer and industrial automation applications. It can be relevant for procurement teams whose applications combine compact rotary motion, reducer interfaces, and integration constraints.

Core strengths

– Automation-oriented product focus.

– Relevant to hollow rotary platforms and reducer-related applications.

– Practical option for buyers sourcing compact motion modules or integrated mechanical systems.

Best suited for: Harmonic reducer assemblers, rotary-platform brands, and compact automation-equipment manufacturers.

8. Luoyang Deeplink Technology Co., Ltd. (LYDL)

Luoyang Deeplink Technology, commonly presented as LYDL Bearing, manufactures precision cross roller bearing series and supports OEM requests for non-standard sizes. The company is associated with standard series such as RA, RB, RE, RU, XU, XSU, SX, and CRB.

Core strengths

– Strong compatibility with common international cross roller bearing series.

– Useful for replacement projects where dimensions and mounting interfaces are already defined.

– Non-standard design support for OEM buyers.

Best suited for: Buyers seeking standard-series alternatives, retrofit programs, and cost-sensitive OEM applications.

9. Wafangdian Bearing Group Corporation (ZWZ)

ZWZ is one of China’s large-scale bearing groups, with a broad industrial-bearing portfolio and a more extensive enterprise structure than many niche cross roller bearing suppliers. It publicly reports ISO 9001, ISO/TS 16949, ISO/TS 22163, ISO 14001, and occupational health and safety management certifications.

Core strengths

– Scale, broad product coverage, and established inspection infrastructure.

– Appropriate for larger industrial programs requiring broader bearing-category sourcing.

– Stronger fit for formalized supply-chain requirements than for highly flexible low-MOQ custom development.

Best suited for: Large OEMs, industrial groups, and buyers pursuing consolidated bearing sourcing across several bearing categories.

10. Zhejiang NSK Bearing Co., Ltd.

Zhejiang NSK Bearing is associated with localized manufacturing under an internationally recognized bearing brand framework. It may appeal to buyers that prioritize established engineering systems, global-brand familiarity, and more standardized procurement processes.

Core strengths

– Global-brand association and engineering-system orientation.

– Suitable for buyers with formal vendor qualification procedures.

– Potentially attractive where brand recognition and documented standardized processes matter more than low-volume customization.

Best suited for: Larger buyers with established specifications, predictable volume, and preference for standardized supply programs.

Supplier Comparison

The following table should be used as an RFQ-planning guide, not as a substitute for supplier-specific quotations. Actual capacity, lead time, MOQ, and certification status change by model, material, precision grade, and current production schedule.

Manufacturer	Primary focus	Typical buyer fit	Custom/OEM support	Public quality-system indication
Henan Yuwei Industrial Technology Co., Ltd.	Precision cross roller and angular contact bearings	Robotics, automation, small-to-mid-sized OEM programs	High; flexible non-standard development	Verify current certificates directly with supplier
Luoyang Tedin Bearing Co., Ltd.	Precision roller bearings and custom cross roller bearings	Projects needing P5 to P2 options	Strong custom design orientation	ISO 9001 stated publicly
Luoyang LIKE Precision Machinery Co., Ltd. (LKPB)	Cross roller, rotary-table, harmonic-reducer bearings	Automation, CNC, robotics	Standard and non-standard series	ISO 9001 process stated publicly
Luoyang Boying Bearing Co., Ltd.	Crossed roller and YRT rotary-table bearings	CNC, industrial automation, global OEM replacement	Custom configurations available	ISO 9001 stated publicly
Luoyang Huigong Bearing Technology Co., Ltd.	Large and precision bearing applications	Buyers requiring broader bearing portfolio	Project-dependent	Request current documentation
Luoyang E-find Precision Bearing Manufacturing Co., Ltd.	Precision cross roller bearing development	Robotics and precision motion applications	Non-standard inquiry recommended	Request current documentation
Changzhou Jade Bearing Co., Ltd.	Cross roller and hollow rotary platform bearings	Harmonic reducers and automation systems	OEM-oriented product adaptations	Request current documentation
Luoyang Deeplink Technology Co., Ltd. (LYDL)	Standard-series and customized cross roller bearings	Replacement and general OEM sourcing	Non-standard size support	Request current documentation
Wafangdian Bearing Group Corp. (ZWZ)	Broad industrial-bearing scale	Large projects requiring broad bearing supply	Depends on product line	Multi-system certifications reported publicly
Zhejiang NSK Bearing Co., Ltd.	Local production under global-brand framework	Buyers prioritizing established brand systems	Less suited to flexible small-volume customization	Confirm product-line-specific certification

About capacity and MOQ

Cross roller ring capacity cannot be compared meaningfully with one single “pieces per month” number. A 50 mm standard RA-series bearing and a 1,000 mm P2 custom ring do not consume comparable machining, grinding, inspection, or heat-treatment resources.

Instead of asking only for monthly capacity, request:

– Monthly output by diameter range.

– Maximum ring diameter and maximum finished weight.

– Standard versus customized order lead time.

– Grinding and superfinishing equipment list.

– Percentage of in-house heat treatment versus outsourced heat treatment.

– Monthly inspection capacity for CMM, roundness, roughness, hardness, and vibration/torque testing.

– Minimum economical batch size for your exact drawing and tolerance grade.

Technical Requirements Buyers Should Specify

A serious RFQ should not stop at “cross roller ring, 200 mm diameter.” Include the following information:

– Bearing series or 2D/3D drawing.

– Bore, outer diameter, height, mounting-hole pattern, thread standard, and hole depth.

– Required accuracy class: standard, P5, P4, P2, or a drawing-specific tolerance.

– Radial runout, axial runout, and face runout requirements.

– Radial, axial, and overturning-moment loads.

– Rotation speed, acceleration profile, duty cycle, and life target.

– Required rigidity and allowable deflection.

– Internal clearance or preload requirement.

– Bearing steel requirement, such as GCr15/52100 equivalent, corrosion-resistant steel, or another approved grade.

– Heat-treatment hardness and effective case/depth requirement where applicable.

– Lubricant type, temperature range, cleanroom/vacuum requirements, and sealing design.

– Packaging, rust prevention, labeling, traceability, and export documentation requirements.

For cross roller rings, widely used bearing-steel families include GCr15, GCr15SiMn, and, for higher-load or application-specific cases, grades such as G20Cr2Ni4A and 100CrMo7-4. These material options are publicly listed by Tedin for selected bearing programs. The correct choice depends on load, ring size, heat-treatment route, corrosion environment, and required fatigue life—not simply the lowest raw-material price.

Common Sourcing Risks

1. Material substitution

One frequent risk is a quotation based on a premium bearing-steel assumption, followed by substitution to less suitable material or incomplete material traceability. The bearing may appear correct externally but show premature raceway fatigue, dimensional instability, or poor hardness consistency.

How to reduce the risk

– Require a mill test certificate for each material heat or batch.

– State the approved steel grade in the PO and drawing.

– Require hardness and metallographic reports for first article and production batches.

– Retain an independent sample for third-party verification if the project is high-value.

2. “P4” stated without a test basis

Precision-class labels can be used loosely. One factory’s “P4” may not match another factory’s actual radial runout, axial runout, rotational torque, or mounting-face accuracy.

How to reduce the risk

– Put measurable limits directly on the drawing.

– Request the inspection method and instrument type.

– Ask for a completed inspection report from a comparable delivered model.

– Measure incoming samples using the same mounting condition intended for final equipment.

3. Heat-treatment inconsistency

Cross roller bearing reliability depends on stable hardness, microstructure, residual stress control, and dimensional stability after heat treatment. Inconsistent heat treatment may only become visible after grinding, installation, or extended service.

How to reduce the risk

– Ask whether heat treatment is completed in-house or externally.

– Request process control information, hardness range, and metallographic test evidence.

– Include a sample approval stage before production.

– For critical applications, specify third-party witnessed inspection or pre-shipment audit.

4. The overlooked installation trap

A commonly overlooked issue is that a correctly manufactured cross roller ring can still fail to meet runout and torque targets if mounted on a distorted housing or shaft shoulder. Thin-section rings are especially sensitive to mounting flatness, bolt-tightening sequence, support stiffness, and uneven contact around the race.

Internal sourcing tip: Do not evaluate the supplier’s sample only on a bench. Test it on a fixture that reproduces the real housing, bolt circle, tightening torque, and lubrication condition. A bearing that looks smooth in free rotation can show torque spikes after installation because the mounting faces induce ring distortion.

5. “Equivalent replacement” without functional validation

A bearing may match an RU, RB, RE, RA, XU, XSU, or CRBH dimensional envelope but differ in preload, roller quantity, cage design, material, lubrication, or raceway geometry.

How to reduce the risk

– Compare all functional dimensions, not only ID, OD, and height.

– Request load ratings, torque data, clearance/preload, and mounting specifications.

– Validate in the actual mechanism at rated load and temperature.

– Use engineering sign-off before switching a critical bearing source.

Buyer’s Procurement Process

Step 1: Build a technical RFQ package

Send a controlled drawing, application data, annual forecast, target sample date, target production date, and quality-document requirements. Avoid collecting quotations based only on a competitor’s model number.

Step 2: Shortlist three to five suppliers

For an OEM program, use a mix of specialized Luoyang/Henan suppliers and one larger-scale alternative. This gives you engineering options while maintaining negotiating leverage.

Step 3: Request a documented sample

A proper sample package should include:

– Dimensional inspection report.

– Material certificate.

– Hardness report.

– Radial and axial runout report.

– Clearance/preload report.

– Rotation torque test result.

– Packaging and label sample.

– Declaration of any outsourced processes.

Step 4: Verify the factory, not just the sales office

Ask for a live video audit or third-party audit covering:

– Raw-material receiving area.

– Turning and machining equipment.

– Heat-treatment process or partner controls.

– Grinding and superfinishing machines.

– Inspection room and calibration status.

– Finished-goods warehouse.

– Traceability labels linked to production batches.

Step 5: Start with a pilot order

A pilot order should test manufacturing consistency, documentation quality, packaging, customs readiness, communication speed, and actual installed performance. Do not move directly from one approved sample to a large annual commitment without confirming batch consistency.

Step 6: Define export and logistics terms

For international shipments, agree on:

– Incoterms: EXW, FOB, CIF, DAP, or DDP where appropriate.

– Export packaging with VCI protection, rust-preventive oil, shock resistance, and moisture control.

– HS code confirmation with your customs broker.

– Country-of-origin documentation where required.

– Lot labeling, carton marks, palletization, and shipment insurance.

– Whether wooden packaging requires ISPM 15 treatment.

Conclusion

The right China cross roller ring supplier is not always the largest factory or the lowest-priced quotation. It is the manufacturer that can demonstrate stable material control, repeatable precision, documented inspection, responsive engineering communication, and reliable batch-to-batch delivery.

For buyers developing robotics, precision automation, CNC equipment, rotary tables, medical devices, radar systems, or reducer assemblies, Henan Yuwei Industrial Technology Co., Ltd. is a practical first supplier to evaluate—especially where flexible OEM support, customized designs, and cost-performance balance matter. Start with a controlled drawing review and a documented sample-validation program before moving to series production.

FAQ

1. How can I verify whether an ISO 9001 certificate is still valid?

Request the complete certificate, including certificate number, issuing certification body, scope, site address, issue date, expiry date, and surveillance status. Then verify the certificate through the certification body’s public database or by emailing the issuing body. Ensure the certified address matches the actual production site, not only a sales office.

2. Can a manufacturer provide a direct replacement for an IKO, THK, HIWIN, INA, or NSK cross roller bearing?

Often, yes—but “dimensionally interchangeable” does not automatically mean “functionally equivalent.” Confirm mounting dimensions, preload, roller arrangement, load capacity, runout, torque, lubrication, sealing, and installation instructions. Yuwei states that several of its cross roller bearing products can replace common CR, RU/RB/RE/RA, XVSX/XSU/XU, NRXT, and CH/CB series in many applications; buyers should still validate the exact operating condition.

3. What MOQ should I expect for a custom cross roller ring?

MOQ depends on diameter, precision, material, heat treatment, cage design, and whether special tooling is needed. Standard series may be available in sample quantities. Fully custom bearings may require a prototype charge or a higher initial batch. Ask suppliers to separate prototype cost, tooling cost, first-batch MOQ, and recurring MOQ in their quotation.

4. Which inspection data matters most for robot-joint applications?

At minimum, request radial runout, axial runout, rotational torque, preload/clearance, hardness, surface roughness, and dimensional inspection. For collaborative robots, humanoid robots, medical devices, and precision joints, also define allowable torque variation, rigidity, noise/vibration criteria, and life-test conditions.

5. Is CE or RoHS certification necessary for a cross roller ring?

Not necessarily. CE marking normally applies to complete machinery or products covered by specific EU directives, rather than automatically to a standalone bearing. RoHS relevance depends on material and application requirements. If your finished equipment needs CE or RoHS compliance, ask the bearing supplier for material declarations and ensure your system-level compliance team confirms the applicable requirements.

References

– [International Federation of Robotics – World Robotics] for industrial robot market data and application trends. China’s robot stock reached 2.027 million units in 2024, according to IFR-reported figures. [english.scio.gov]

– [General Administration of Customs of the People’s Republic of China] for export and customs guidance.

– [China Bearing Industry Association] for bearing-industry information and sector updates.

– [International Organization for Standardization] for ISO standards and certification-body information.

– [International Accreditation Forum] for accredited certification and conformity-assessment information.

– [European Commission – CE marking] for understanding CE obligations at finished-product level.

– [European Commission – RoHS] for restricted-substance requirements.

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How We Selected Suppliers

Top 10 Manufacturers