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-lubrication. 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.

1. Open structure facilitates regular cleaning and re-greasing maintenance
2. Supports radial load plus slight bidirectional axial load
3. Low rolling friction, stable medium-speed continuous rotation
4. Standard metric size for equipment replacement
5. Flexible to match external sealing structures
6. 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 lubrication maintenance.

Q3: Can we get sealed variant?

Yes, 6221-2Z and 6221-2RS are available on request.