21309CK Spherical Roller Bearings 45x100x25mm
21309CK Spherical Roller Bearings 45x100x25mm
21309CK Spherical roller Bearings
Inner Diameter (ID):45 mm
Outer diameter (OD):100 mm
Width/Height: 25 mm
Weight: 0.95 KG
Number of Row: Double row
Seals type: open
Characteristics: high speed
Material: No mark:Steel ball(SUJ2); SN24:Ceramic ball(Si3N4)
Cage structure:
TYN:polyamide resin cage
TR : Phenolic resin cage
BRASS:Brass cage
Combination of mark:
SU:Universal combination (single row)
DU:Universal combination (double rows)
DB: Back-to-back combination
DF: Face-to-face combination
DT: Parallel combination
DBD.DFD.DTD: Three rows
DBB.DFF.DBT.DFT.DTT: Four rows
Preloaded mark:
CAC: Large size bearings, roller is symmetrical
ECAC : Bearing roller and race surface by optimizing processing, helps to guide roller
CA : Roller is symmetrical, inner ring without guard.Each column roller with stamping steel cage
CC: Bearing roller and race surface by optimizing processing, help guide roller, and can reduce friction
E: Bearing load capacity is higher.E type bearing outer ring with a groove and three oil hole
Precision grade:
P2 : ISO2;
P4 : ISO4;
P5 : ISO5
P3 : Special grade(Dimensional accuracy:ISO4,Rotation accuracy:ISO2)
p4Y: Special grade
Bearing clearance
C1-1 set of the clearance, clearance is less than 2 groups.
C2 - clearance conform to the standards stipulated by the two groups, group windage is less than 0.
C0 - clearance conform to the standards stipulated by the 0 group, code omitted, don\\\\\\\'t say.
C3 - clearance conform to the standards stipulated by the three groups, group clearance greater than 0.
C4 - clearance conform to the standards stipulated by the four groups, clearance is greater than three groups.
Of the C5 - clearance 5 groups, clearance is greater than the four groups.
When clearance code and tolerance grade bearing code P4, P5 or P6, saves clearance code C.
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High quality 21309CK ( 0.95 kg Mass, ID: 45 mm OD: 100 mm WD: 25 mm , P0,P6,P5,P4,P2 Accuracy Class , Bearing steel / Chrome steel GCr15 Material ), Just click the button " Contact Now " to mention your purchase Requirement , Quantity and Contact Method of your requested Bearing Item No. 21309CK. then click the button " Send " The web site will make your purchasing information sent to the supplier's mailbox, who will come to contact you upon they get your information at the first time.
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