Zhejiang Tianma Bearing Group Co., Ltd.
Publicly listed bearing manufacturer producing deep groove ball bearings, cylindrical roller bearings, and linear motion systems for wind power, rail transit, and industrial drives. Holds national high-tech enterprise status and operates multiple provincial engineering centers.
INDEPENDENT RESEARCH · NOT AFFILIATED, AUTHORIZED OR ENDORSED BY THIS COMPANYWhat 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.
Publicly listed bearing manufacturer producing deep groove ball bearings, cylindrical roller bearings, and linear motion systems for wind power, rail transit, and industrial drives. Holds national high-tech enterprise status and operates multiple provincial engineering centers.
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.
What overseas buyers can investigate.
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deep groove ball bearings
72% public-evidence confidenceCompare related manufacturers →cylindrical roller bearings
75% public-evidence confidenceCompare related manufacturers →linear motion systems
78% public-evidence confidenceCompare related manufacturers →wind turbine pitch bearings
81% public-evidence confidenceCompare related manufacturers →heat treatment
84% public-evidence confidenceCompare related manufacturers →lubrication sealing
92% public-evidence confidenceCompare related manufacturers →How to test the claimed manufacturing capability.
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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
A useful lead,
not a finished decision.
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Structured capabilities
deep groove ball bearings · cylindrical roller bearings · linear motion systems
Review capability map ↓Due-diligence gaps
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Products
Processes
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Evidence behind this profile
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浙江天马轴承集团有限公司官网
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Open public source ↗What still needs verification
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