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The 6004-2RS is a high-performance single-row deep groove ball bearing with double-sided rubber contact seals, specially designed for water-contact, dusty and low-noise working conditions. Manufactured from high-purity GCr15 bearing steel and processed through precise quenching and tempering heat treatment, this bearing delivers high hardness, excellent wear resistance and stable fatigue resistance. With a compact 20x42x12mm structure and finely ground raceways, it achieves ultra-smooth rotation and minimal friction. The 2RS double rubber seal structure effectively prevents water, moisture, dust and foreign particles from entering the bearing interior while locking in lubricating grease, greatly extending service life. Reliable and cost-effective, it is a core matching component for garage door openers, washing machines, water pumps and various industrial equipment.
2. Core Product Functions
Waterproof & Dust-proof Performance: Equipped with double-sided 2RS rubber contact seals, the bearing effectively blocks water, moisture, dust and impurities, and locks internal lubricating grease firmly, avoiding grease drying and leakage, greatly extending service life even in harsh environments.
Low Noise & Smooth Operation: Adopting high-precision grinding process for raceways and steel balls, it reduces running friction and vibration, realizing quiet and stable operation, perfectly adapting to noise-sensitive equipment.
Composite Load Bearing: It can bear both radial load and moderate bidirectional axial load, with uniform stress and strong operational stability, meeting daily industrial load demands.
Durability & Long Service Life: Premium material, standardized heat treatment and factory pre-lubricated grease ensure high structural rigidity and fatigue resistance, supporting long-term continuous operation without frequent maintenance.
Easy Installation & Low Maintenance: Standard universal size with high interchangeability, simple assembly and disassembly, no frequent maintenance required, reducing equipment operating costs.
3. Product Technical Parameters
Parameter Item
Specification Data
Model Number
6004-2RS
Bore Diameter (d)
20 mm
Outer Diameter (D)
42 mm
Width (B)
12 mm
Single Net Weight
0.069 kg
Main Material
GCr15 Bearing Steel
Precision Grade
Standard P0 (Custom P6 available)
Sealing Type
Double-sided Rubber Contact Seal (2RS)
Basic Dynamic Load Rating (Cr)
9.38 kN
Basic Static Load Rating (Cor)
5.02 kN
Limiting Speed
11000 RPM (Grease Lubrication)
Applicable Speed
Medium Speed
Operating Temperature
-20℃ ~ 120℃
Package Standard
Industrial Standard Export Package
4. Application Scenarios
The 6004-2RS sealed deep groove ball bearing is widely used in various medium-speed and low-noise mechanical equipment, especially suitable for garage door openers, washing machines, water pumps, agricultural machinery, electric motors, generators, household appliances and general mechanical transmission devices. Its excellent waterproof and dust-proof performance can effectively adapt to humid, dusty and outdoor working environments, ensuring stable, quiet and long-term operation of supporting equipment, and is one of the most cost-effective general-purpose bearings in the industry.
5. Product Advantages
All 6004-2RS bearings are strictly inspected in accordance with international industry standards. Adopting precision processing and full inspection technology, the products feature stable quality, high consistency and strong interchangeability. Factory direct sales support customized precision and packaging services, with sufficient inventory and fast delivery, providing reliable bearing supporting solutions for global customers.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2003
Ecer Certification：
Verified Supplier
We are Ningbo Kent Bearing Co., Ltd, one of the leading high-quality bearing manufacturer and supplier, established in 2003.
We registered the BUGAO Bearing trademark in 2003 and specialize in deep groove ball bearings
for electric motors, automobiles, household appliances, power tools, ...
We are Ningbo Kent Bearing Co., Ltd, one of the leading high-quality bearing manufacturer and supplier, established in 2003.
We registered the BUGAO Bearing trademark in 2003 and specialize in deep groove ball bearings
for electric motors, automobiles, household appliances, power tools, ...
