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The 22211EK is double row E-type high-capacity spherical roller bearing with 1:12 tapered inner bore, standard dimension 55×100×25mm. Spherical outer raceway brings outstanding self-aligning performance to compensate shaft deflection and installation misalignment. E optimized roller & raceway structure greatly improves dynamic load capacity; K tapered bore matches H311 adapter sleeve for fast mounting/disassembly on smooth shafts. It bears combined heavy radial load, bidirectional axial thrust and impact shock, widely used in mining conveyors, concrete mixers, paper machinery, crushers and heavy-duty gearboxes.
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2. Technical Specifiions
Parameter
Value
Model
22211EK
Inner Bore d
55mm (1:12 taper)
Outer Diameter D
100mm
Width B
25mm
Min Fillet r
1.5mm
Structure
Double row spherical roller bearing, E high-load design, K tapered bore
Cage
Stamped steel cage
Material
GCr15 high carbon chromium bearing steel
Basic Dynamic Load Cr
129kN
Basic Static Load C0r
127kN
Reference Speed(Grease)
6300rpm
Limiting Speed(Oil)
8500rpm
Matching Adapter Sleeve
H311
Net Weight
Approx 0.84kg
Clearance
Standard CN, C3/C4 enlarged clearance customizable
Full technical datasheet and installation drawings available upon request
3. Key Advantages
E optimized internal geometry: longer crowned rollers, uniform stress distribution, 20% higher load capacity than traditional series bearings
K 1:12 tapered inner bore, perfectly matched with H311 adapter sleeve, no keyway required, convenient installation and disassembly
Spherical outer ring self-aligning design, allows ±0.5° angular misalignment without rising temperature or extra friction
Double row symmetrical rollers undertake heavy radial & axial combined load, excellent anti-shock and anti-vibration performance
Thickened quenched steel rings & rollers deliver strong wear resistance for dusty, harsh heavy-load working conditions
E = optimized high-capacity internal structure; K = inner bore with 1:12 taper, fit H311 adapter sleeve.
Q2: What adapter sleeve matches 22211EK?
Standard matching adapter sleeve model H311, convenient installation on smooth cylindrical shafts.
Q3: What angular misalignment can this bearing tolerate?
It can adapt up to 0.5° shaft deflection without abnormal heat or noise.
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...