Enduro Bearings - Enduro ZERO CERAMIC bearing 6801 12x21x5mm 5.3g

Enduro Bearings - Enduro ZERO CERAMIC bearing 6801 12x21x5mm 5.3g

Enduro Bearings

ENDBEA0000770

New

DIMENSIONS12 x 21 x 5 mm
BALL MATERIALSi3N4
BALL GRADE3 US Made Silicon Nitride ceramic
RACESCryogenically Treated Chromium Steel
SEALS"VV" Dual-lip non-contact
PRECISIONABEC 5
RETAINERSPolyamide nylon
APPLICATIONWheel Hub
WEIGHT5.3g

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€ 23,77

The ZERØ Ceramic  ABEC 5 bearings have ceramic balls and steel races.

Balls:
Silicon Nitride Ceramic Si3N4 balls are made from pure Silicon Nitride material with extreme high density from uniform compaction, the micro-structural development of this material during manufacturing is second to none. These high precision grade 5, Si3n4 pure ceramic balls are 5/1,000,000″ from exactly round in sphericity, 60% lighter weight, and 7 times harder than steel.
The balls are Grade 3, Silicon Nitride (Si3n4).  These are the roundest balls you can buy without a military license.

Races:
52100 High carbon Chromium Alloy Races with Cryogenic Treatment:
Cryogenic treatment takes the races down to minus three hundred degree Fahrenheit to normalize the crystalline structure of the material so the races will resist the hardness of the ceramic balls and get the maximum wear potential.
The races are treated with a black oxide coating, which helps prevent rusting in the bearing. The races are then reground to a mirror finish after this treatment. Finally, they are cryogenically treated for strength before assembly.

Seals:
We use Silicone VV seals, which is the lightest drag seal available on the market. VV Seals: two NBR 70 rubber seals with non-contact type seal, which rides in a matching groove machined into the bearing.

MANUFACTURESEnduro Bearings
INTERNAL DIAMETER12mm
OUTER DIAMETER21mm
BALL MATERIALCeramic
BEARING TYPECeramic
CODE6801

Hub Bearings

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