B1 Thrust Ball Bearing 12.78x30.96x15.88mm
B1 Thrust Ball Bearing 12.78x30.96x15.88mm
B1 Thrust ball bearing
Inner Diameter (ID):12.78 mm
Outer diameter (OD): 30.96 mm
Width/Height: 15.88 mm
Weight:0.531KG
Material:chrome steel(GCR15)
Number of Row: single rows
Seals type: open
Contact Angle:C=15°;AC=25°,A=30°; B=40°
Material: No mark:Steel ball(SUJ2); SN24:Ceramic ball(Si3N4)
B1 Cage structure:
TYN:polyamide resin cage
TR : Phenolic resin cage
BRASS:Brass cage
B1 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
B1 Preloaded mark:
EL: Micro preloaded
L : Light preload
M : Medium preloade
H : Heavy preloaded
B1 Precision grade:
P2 : ISO2;
P4 : ISO4;
P5 : ISO5
P3 : Special grade(Dimensional accuracy:ISO4,Rotation accuracy:ISO2)
p4Y: Special grade
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High quality B1 ( 0.531 kg Mass, ID: 12.78 mm OD: 30.96 mm WD: 15.88 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. B1. 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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