GQZ 6221 Deep Groove Ball Bearing 105×190×36mm Open Type Rotary Bearing
6221 is open single row deep groove ball bearing without built-in seals. It bears radial load and minor bidirectional axial load. Open design allows convenient on-site re-lubriion. Widely applied in large motors, pumps, fans, conveyors and medium-heavy load rotary machinery.
Formal quotation will be sent within 24 hours upon your inquiry.
- Model
- 6221
- Dimensions
- d105 mm, D190 mm, B36 mm
- Net weight
- approx 4.18 kg
- Structure
- Single row open deep groove ball bearing
- Material
- GCr15 bearing chrome steel, stamped steel cage
- Clearance
- Standard CN clearance
- Alternative versions
- 2Z / 2RS sealed types available
Complete dimension drawings and load data available on request.
- Open structure facilitates regular cleaning and re-greasing maintenance
- Supports radial load plus slight bidirectional axial load
- Low rolling friction, stable medium-speed continuous rotation
- Standard metric size for equipment replacement
- Flexible to match external sealing structures
- Customizable: OEM laser marking, special high temperature grease
- Large electric motors, industrial fans and blowers
- Centrifugal water pumps and compressor assemblies
- Belt conveyors and heavy-duty processing machinery
- Metallurgical auxiliary equipment supporting shafts
- Rotary units with independent external sealing design
25 years professional bearing manufacturer, products exported globally.
Strict raw material inspection and precision grinding process.
24-hour technical support for model selection.
Ample stock for machinery distributors.
Precise dimensions and stable service performance.
GCr15 raw material quenching & tempering treatment
Precision superfinishing for bearing rings and steel balls
Deburring and surface anti-rust treatment
Dimension tolerance and rotational noise testing
If you need 6221 deep groove ball bearings:
Send inquiry to obtain below supports:
- Quick quotation within 24 hours
- Professional matching suggestions
- Optional 2Z / 2RS sealed versions
- Competitive factory direct price Contact our sales team for full datasheets and formal offer.
- Q1: Main dimensions of 6221?
- 105×190×36 mm open deep groove ball bearing.
- Q2: Features of open type bearing?
- No built-in seals, easy for periodic lubriion maintenance.
- Q3: Can we get sealed variant?
- Yes, 6221-2Z and 6221-2RS are available on request.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.