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The 2304 is a double-row self-aligning ball bearing engineered for automatic compensation of shaft misalignment and stable radial load bearing, widely used in textile machinery, ventilation equipment, agricultural machinery, and light industrial transmission systems. Model breakdown: "23" denotes the double-row self-aligning ball bearing series (optimized for adapting to slight shaft deflection or housing misalignment); "04" is the size code (standard dimension matching—inner diameter calculated by "04×5=20mm", conforming to ISO self-aligning ball bearing size norms). Its spherical outer ring raceway design enables automatic adjustment of rotational concentricity, making it ideal for scenarios with unavoidable shaft/housing misalignment (e.g., long-shaft equipment, vibrating light-duty machines).
Parameter
Value/Specifiion
Description
Bore Diameter (Inner Diameter)
20 mm
Inner diameter of the bearing
Outer Diameter
52 mm
Outer diameter of the bearing
Width
21 mm
Width (axial dimension) of the bearing
Basic Dynamic Load Rating (Radial)
12,700 N
Radial load capacity for fatigue life
Basic Static Load Rating (Radial)
3,350 N
Radial load capacity for permanent deformation
Fatigue Load Limit (Radial)
212 N
Radial load limit for fatigue initiation
Limiting Speed
9,400 1/min
Maximum recommended rotational speed
Weight
0.212 kg
Approximate weight of the bearing
Interchangeability & Appliions
Textile Machinery: Roller shafts of spinning frames, drawing machines—compensates for slight shaft deflection during long-term operation.
Ventilation & HVAC Equipment: Impeller shafts of industrial fans, air conditioner blowers—handles radial loads while adapting to motor-housing misalignment.
Agricultural Machinery: Transmission shafts of small harvesters, irrigation pump shafts—balances dust resistance (with optional seals) and misalignment compensation.
Light Industrial Equipment: Printing machine roller shafts, packaging machine conveyor rollers—ensures smooth rotation at speeds up to 9,400 rpm under general radial loads.
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Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Trading Company
Year Established:
1989
Total Annual:
1000000-10000000
Employee Number:
10~100
Ecer Certification:
Verified Supplier
Established in 1999, Wuxi Guangqiang Bearing Trade Co.,Ltd works hard in researching and manufacturing high quality bearings and rely on it's advantages of strong technologies, advanced equipment, professional technical team, quality production and reasonable prices has gain a broad... Established in 1999, Wuxi Guangqiang Bearing Trade Co.,Ltd works hard in researching and manufacturing high quality bearings and rely on it's advantages of strong technologies, advanced equipment, professional technical team, quality production and reasonable prices has gain a broad...