Selection
Series, envelope dimensions and internal design
WB
Wafangdian, Dalian, Liaoning · Public sources reviewed — buyer verification requiredWafangdian Bearing Group Co., Ltd.
瓦房店轴承集团有限责任公司Brands: ZWZ / KRW / 瓦轴Bearing group founded in 1938 with ZWZ and KRW brands, publishing more than 20,000 specifications for industrial equipment, rail, automotive, wind-energy and specialised applications.
INDEPENDENT RESEARCH · NOT AFFILIATED, AUTHORIZED OR ENDORSED BY THIS COMPANY82%source coverage2 reviewed sources
Primary productsradial ball bearings · radial roller bearings · thrust bearings · slewing bearings
Research statusPublic sources reviewed — buyer verification required
Location signalWafangdian, Dalian, Liaoning
Last reviewed01 Sep 2026
Series, dimensions and duty define the bearing decision.
A group-level catalogue is not enough. Buyers need the exact series, clearance, load, speed, sealing, lubrication and actual manufacturing subsidiary for the application.
Duty
Load, speed, clearance and lubrication
Origin
Manufacturing subsidiary, plant and inspection route
What this factory appears to do differently.
This brief is organized from Chinese public sources with domestic-model assistance. Every point remains tied to the source ledger and should be confirmed for the exact product and production site.
CORE SPECIALIZATIONradial ball bearings · radial roller bearings · thrust bearings · slewing bearings
Wafangdian Bearing Group traces its origins to 1938 and describes itself as the birthplace of China's bearing industry. The group publishes a network of nine manufacturing bases, ten business divisions and 26 wholly owned or controlled subsidiaries.
PUBLIC OPERATING SIGNALSManufacturing footprintNine manufacturing bases Published workforce6,500+ Published product range20,000+ specifications
Group-level company-published figure
Company-published
Company-published
WHERE BUYERS MAY FIND A FIT
Industrial equipmentRail transportAutomotiveWind energyMetallurgyCement machinery
Application references describe publicly stated scope, not approval for a buyer's use case.WBAuthorized product photography pending
BEARING SELECTION DESK
Qualify by type, dimensions and duty cycle.
Bearing sourcing depends on the exact series, load, speed, clearance, sealing and application—not a broad product name.
01radial ball bearings
02radial roller bearings
03thrust bearings
04slewing bearings
Confirm who they are before judging what they can make.
Domestic AI models help discover and organize public leads. Official sources must still confirm the legal name, address, brand ownership and manufacturing entity.
ENTITY TYPECorporate group · multiple manufacturing sites and subsidiariesGroup identity is supported by official sources; confirm the actual manufacturing subsidiary and plant for each bearing
Wafangdian Bearing Group traces its origins to 1938 and describes itself as the birthplace of China's bearing industry. The group publishes a network of nine manufacturing bases, ten business divisions and 26 wholly owned or controlled subsidiaries.
Under the ZWZ and KRW brands, the company says it manufactures more than 20,000 bearing specifications across ten major categories, from 20 mm bore products to bearings with an outside diameter of 16 metres.
Published application areas include industrial equipment, rail transport, automotive vehicles, wind energy and specialised fields. Buyers should qualify the precise plant and product family, and request current drawings, material records, heat-treatment controls, inspection data and application approvals.
Visit official website ↗PUBLICLY STATED APPLICATIONSIndustrial equipmentRail transportAutomotiveWind energyMetallurgyCement machineryConstruction machineryPrecision transmission
See the operation, not only the claims.
Every visual is linked to its publisher. Company media, third-party footage and independent audit evidence are clearly separated.
PRODUCT PORTFOLIO
What overseas buyers can investigate.
Product families are taken from reviewed public material. Exact model, material, standard, tolerance, certification, MOQ and capacity must be confirmed directly with the manufacturer.
radial ball bearings
72% public-evidence confidenceCompare related manufacturers →radial roller bearings
75% public-evidence confidenceCompare related manufacturers →thrust bearings
78% public-evidence confidenceCompare related manufacturers →slewing bearings
81% public-evidence confidenceCompare related manufacturers →bearing sleeves
84% public-evidence confidenceCompare related manufacturers →bearing engineering
87% public-evidence confidenceCompare related manufacturers →bearing manufacturing
90% public-evidence confidenceCompare related manufacturers →bearing testing
92% public-evidence confidenceCompare related manufacturers →How to test the claimed manufacturing capability.
This is a sector-specific buyer workflow, not a claim that every stage is performed in-house. Ask the company to identify internal and outsourced operations.
Ring preparation
Steel grade, forging route and material traceability
Heat treatment
Hardness profile and controlled furnace records
Grinding & finishing
Raceway accuracy, roughness and clearance control
Assembly & test
Noise, vibration, load and final inspection
BUYER DECISION BRIEFA useful lead,
A useful lead,
not a finished decision.
This page deliberately separates positive signals from unanswered questions. Review both before contacting or qualifying a supplier.
Structured capabilities
radial ball bearings · radial roller bearings · thrust bearings
Review capability map ↓Due-diligence gaps
Confirm the legal entity and ownership of the cited website
See what remains unknown ↓Products, processes and production signals
Products
radial ball bearings72% confidence
radial roller bearings75% confidence
thrust bearings78% confidence
slewing bearings81% confidence
bearing sleeves84% confidence
bearing engineering87% confidence
bearing manufacturing90% confidence
bearing testing92% confidence
TRANSPARENT EVIDENCE MODEL
Trust is measured, not claimed.
These indicators summarize the public material currently attached to this profile. They are research signals—not certification, endorsement or a substitute for a factory audit.
82%profile coverage
Source depth2 sources
Rights-cleared media0 published assets
Open due diligence4 questions
Evidence behind this profile
Sources show why a statement appears here. They do not represent our endorsement of the supplier.
Reviewed public source
Reviewed 01 Sep 2026ZWZ Bearing official company profile
History, group structure, brands, manufacturing scale, product range and applications.
Open public source ↗Reviewed public source
Reviewed 01 Sep 2026ZWZ Bearing official website
Current product categories, applications, corporate ownership statement and contact information.
Open public source ↗DUE DILIGENCE GAP LIST
What still needs verification
We show missing information because an unknown is more useful to a buyer than an unsupported claim.
- Confirm the legal entity and ownership of the cited website
- Verify that manufacturing is performed in-house
- Request current certificates, test reports, MOQ and lead time
- Complete sample approval and an independent factory audit before ordering