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The 2312 is double row self-aligning spherical ball bearing with spherical outer raceway, standard dimension 60×130×46mm. Its internal spherical structure allows large angular deflection to compensate shaft bending, installation offset and housing machining errors. It bears radial load plus moderate bidirectional axial load, runs smoothly under misaligned conditions, widely used in textile looms, paper machinery, printing equipment, conveyors and light heavy-duty industrial transmission shafts with unstable coaxiality.
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2. Technical Specifiions
Parameter
Value
Model
2312
Inner Diameter d
60mm
Outer Diameter D
130mm
Overall Width B
46mm
Min Fillet r
2.1mm
Structure
Double row self-aligning ball bearing
Cage
Stamped steel cage
Material
GCr15 high carbon chromium bearing steel
Basic Dynamic Load Cr
79.8kN
Basic Static Load C0r
34.8kN
Grease Reference Speed
4400rpm
Clearance
Standard CN, C3 enlarged clearance customizable
Interchangeable Variant
2312K (1:12 tapered bore for adapter sleeve mounting)
Full technical datasheet and installation drawings available upon request
3. Key Advantages
Spherical outer ring self-aligning design, adapt up to ±2.5° shaft deflection without extra friction or temperature rise
Double row steel ball layout supports combined radial and bidirectional axial load, stable under alternating vibration
Wide width structure provides larger load capacity than 1300/2200 series same bore self-aligning bearings
Open design supports regular grease refilling, extends service life under continuous long-hour operation
Two structural options: straight bore 2312 and tapered bore 2312K matching adapter sleeves for smooth shafts
Low friction operation, low noise, suitable for medium-speed continuous production line equipment
Wide-body self-aligning ball bearing solution for textile, paper and printing machinery with shaft misalignment
2312 is straight cylindrical bore for stepped shafts; 2312K has 1:12 tapered inner bore, fit adapter sleeves for smooth shafts.
Q2: How much angular deflection can 2312 tolerate?
Maximum allowable self-aligning angle reaches ±2.5°, ideal for shafts with obvious bending or installation offset.
Q3: What working speed can 2312 reach?
Grease lubriion reference speed is 4400rpm for stable medium-speed continuous running.
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...