1Pcs 6801 2RS CB Hybrid Ceramic Bearing 12x21x5 mm ABEC-7 Bicycle Bottom Brackets Spares 6801RS Si3N4 Ball
Description
Bearing Housings
Item: 6801 RS CB
Structure: Deep Groove
Material: Bearing Steel
Ball Material: Ceramic Si3N4
Bore Dia (d): 12 mm
Outer Dia (D): 21 mm
Width (B): 5 mm
Closures: Rubber Seal
Lubrication: Grease
Magnetic: little
Hardness: 58HRC
Corrosion Resistance: General
Clearance: C0
Grades: ABEC-7
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