GQZ 6304-2RS Single Row Deep Groove Ball Bearing 20×52×15mm Double Contact Rubber Sealed Ball Bearing
6304-2RS is single row deep groove ball bearing. 2RS stands for double-sided contact rubber seals which effectively block dust, debris and light moisture intrusion. It bears radial load and minor bidirectional axial load, pre-filled with lubriing grease for direct installation. Widely applied on electric motors, water pumps, farm machinery, conveyors and medium-load rotary machinery.
Formal quotation will be sent within 24 hours upon your inquiry.
- Model
- 6304-2RS
- Dimensions
- d20 mm, D52 mm, B15 mm
- Net weight
- approx 0.155 kg
- Structure
- Single row deep groove ball bearing
- Material
- GCr15 bearing chrome steel, stamped steel cage
- Sealing
- 2RS double contact rubber seal
- Alternative versions
- Open / 2Z metal shield variants available
Complete dimension drawings and load data available on request.
- Double rubber contact seals resist dust and slight water splash in working environment
- Pre-greased construction supports maintenance-free continuous medium-speed operation
- Handles radial load plus slight bidirectional axial thrust steadily
- Low noise and low friction for long-time stable running
- Standard metric size for global aftermarket direct replacement
- Customizable: OEM laser marking, high-temperature special grease
- Small electric motors, cooling fans and blowers
- Water pumps and light-duty compressor assemblies
- Agricultural machinery and farm transport equipment
- Belt conveyors, textile and packaging machinery
- Rotary shafts operating under dusty and slightly humid conditions
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
Seal assembly and grease filling processing
Dimension tolerance, clearance and rotational noise testing
If you need 6304-2RS deep groove ball bearings:
Send inquiry to obtain below supports:
- Quick quotation within 24 hours
- Optional open / 2Z shielded alternatives
- Competitive factory direct price
Contact our sales team for full datasheets and formal offer.
- Q1: What does 2RS represent?
- 2RS = double-sided contact rubber sealing structure.
- Q2: Main dimensions of 6304-2RS?
- 20×52×15 mm single row deep groove ball bearing.
- Q3: Difference between 2RS and 2Z?
- 2RS rubber seal suits damp environments; 2Z metal shield is only for dry dusty conditions.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.