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GCr15 6304-2RS Bearing 20x52x15 Rubber Seal Bearings For Motors / Appliances
Product Overview
The 6304-2RS is a deep groove ball bearing with double-sided rubber seals designed for motors and appliances. This bearing excels in environments requiring protection against contaminants like dust, dirt, and moisture.
Design & Construction
Inner & Outer Rings: Precision-machined with 20mm inner diameter and 52mm outer diameter. Deep, accurately crafted raceways ensure smooth movement and even load distribution.
Rolling Elements: High-precision steel balls made from top-grade bearing steel with ultra-smooth surface finish for reduced friction.
Cage: Sheet metal construction maintains proper ball spacing and guides rotation.
Sealing: Double-sided rubber seals (2RS) provide reliable protection against dust, dirt, and moisture.
Technical Specifications
Parameter
Value
Inner Diameter (d)
20mm
Outer Diameter (D)
52mm
Width (B)
15mm
Basic Dynamic Load Rating (Cr)
15.8 - 16.5kN
Basic Static Load Rating (Cor)
8.2 - 8.5kN
Limiting Speed (Grease Lubrication)
12000 - 14000rpm
Limiting Speed (Oil Lubrication)
15000 - 17000rpm
Weight
0.14 - 0.15kg
Performance Advantages
High Radial Load Capacity: Handles moderate to heavy radial loads effectively with even distribution
Axial Load Accommodation: Can accommodate axial loads in both directions
Low Friction & High-Speed Capability: Operates at 12,000-17,000 rpm with minimal energy consumption
Quiet Operation: Optimized for low-vibration, quiet performance ideal for sensitive applications
Material Quality
Rings & Balls: High-carbon chromium bearing steel with vacuum degassing for high density and excellent mechanical properties
Cage: Sheet metal construction offering strength, cost-effectiveness, and good thermal conductivity
Applications
Industrial Machinery: Conveyors, pumps, small machine tools
Electric Motors: Medium-power industrial fans and machine tools
Automotive Industry: Water pumps, alternators
Household Appliances: Washing machines, dryers, large fans
Installation & Maintenance
Installation: Use appropriate tools (bearing press or installation sleeve) for even installation. Ensure proper alignment and use locking nut for tapered shafts.
Maintenance: Use lithium-based grease (fill 1/3 to 1/2 of internal space) or ISO VG 32/46 oil for high-speed applications. Monitor temperature (60-80°C max) and check for abnormal vibration or noise.
Summary: The 6304-2RS bearing is a reliable, versatile component offering excellent performance with contamination resistance, good load-handling capacity, and quiet operation for various mechanical systems.
Introduction:1.Covering an area of 80 mu (about 53,333 square meters), our factory has a 60-person team including 4 professional engineers, ensuring stable production and technical support.
2. Focusing on bearing production for 25 years, quality is our only guarantee3. Wafangdian Bearing Factory was... Introduction:1.Covering an area of 80 mu (about 53,333 square meters), our factory has a 60-person team including 4 professional engineers, ensuring stable production and technical support.
2. Focusing on bearing production for 25 years, quality is our only guarantee3. Wafangdian Bearing Factory was...
