6221 Deep Groove Ball Bearing 105x190x36mm Heavy‑Duty for Industrial Transmission

Product Overview

• 6221 is open‑type single row deep groove ball bearing for medium‑heavy industrial rotating assemblies.
• It primarily carries radial load and can also bear light bidirectional axial loads.
• Open‑style design requires external lubrication supply on site during assembly.
• Made of GCr15 bearing steel, it delivers stable performance for large‑size general machinery.
• Standard CN clearance matches most common operating temperature and shaft fit conditions.

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• Open bearing structure allows convenient grease or oil lubrication maintenance.
• Handles main radial load plus small bidirectional axial loads for mixed force conditions.
• Sheet steel cage keeps rolling elements well positioned under continuous running.
• High‑quality bearing steel provides good hardness and fatigue resistance.
• Standard dimension, easy replacement for many existing industrial equipment.
• Solid construction works reliably for medium‑load large shaft support positions.

• Large‑size electric motor and driving machine assemblies
• Gearbox units and industrial mechanical transmission parts
• Conveyor systems and heavy‑duty material handling machinery
• Fans, blowers and large‑dimension rotating shaft supports
• Pumps and general workshop industrial equipment

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• 30 years professional bearing industry experience
• ISO certified strict quality inspection
• Flexible OEM & private label customization
• 3-5 days fast delivery for stocked bearings
• Full bearing series, universal interchangeable size
• Factory direct price & reliable after-sales service

*Need custom bearings? Share your drawings, specifications or requirements — we’ll find the right solution for you.