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6801-2RS Bicycle Hub Bottom Brackets Bearing Steel Hybrid Si3N4 Ceramic Ball bearings 12x21x5mm

6801-2RS Bicycle Hub Bottom Brackets Bearing Steel Hybrid Si3N4 Ceramic Ball Bearings 12x21x5mm

Reference FOB Price:
US3 ~ 7 / Piece
Min. Order:
4 Piece
Stock:
5000 Piece
Port:
Shanghai
Payment term:
TT ,PAYPAL ,Western Union
Delivery time:
According your quantity
Technical Parameters:
Product Designations:
6801-2RS
Structure:
Steel GCR15 and Hybrid Si3n4 ceramic ball bearing
Inside Diameter:
12 mm
Outside Diameter:
21 mm
Thickness:
5 mm
Weight:
0.006 KG
Reference speed (Grease rpm):
33000r/min
Limiting speed (Oil rpm):
39000r/min
Demensions:
12x21x5mm
Brand:
Neutral,OEM
Precision Rating:
ABEC-1 ABEC-3 ABEC-5 ABEC-7
Bearing Material:
Bearing steel GCR15
Cage material:
nylon
Seals Type:
2RS
Seal Material:
Rubber
Ball Material:
Si3N4 ceramic bearing
Shipping Ways:
sea shipping ,air ,express
Country of Origin:
China
6801-2RS Bicycle Hub Bottom Brackets Bearing Steel Hybrid Si3N4 Ceramic Ball Bearings 12x21x5mm
Item No :6801-2RS
Sealed type : double rubber sealed cover
Material: Bearing steel GCR15 ring+ Si3N4 ceramic balls +nylon cage
Precision Rating :ABEC-1,ABEC-3,ABEC,5,ABEC-7 all available
MOQ:4pcs/lot
Model
6801-2RS
Dimensions
Bore (d)
12
mm
Diameter (D)
21
mm
 Width (B)
5
mm

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