Bearings
TECHNICAL SPECS
Item: S6702ZZ CB
Structure: Deep Groove
Bearing Material: 440C Stainless Steel
Ball Material:Ceramic Si3N4
Bearing Type : Hybrid ceramic ball bearing
Bore Dia (d): 15mm
Outer Dia (D): 21mm
Width (B): 4mm
Closures: Metal Shielded(ZZ)
Lubrication: Free of Grease Free of Runing
Magnetic: little
Hardness: 58HRC
Corrosion Resistance: General
Clearance: C0
Bearing Grades: ABEC 7
QTY: 2 pieces
BEARING STRUCTURE
Stainless Steel Hybrid Ceramic Bearing=
+ Stainless Steel Outer Ring & Inner Ring
Si3N4 Ceramic Balls
Stainless Steel Cage
+ Metal Seals
ADVANTAGE
# Stainless Steel, Ceramic Hybrid, Orange Sealed bearings are specially designed for any application seeking a high precision, free spinning bearing. These are the true secret weapon for serious rc racers and long distance casters. ABEC 7 tolerances makes the Orange Seal line the closest precision tolerance that Bearings has to offer. The removable, non-contact rubber seals results in a bearing with less drag and that requires less maintenance than a typical shielded bearing. The Grade 5 ceramic Si3N4 balls will allow the bearing to be lighter and spin 50% faster than a traditional steel bearing.
# Ceramic by its nature is lighter than steel by about 2/3 the wieght, it is harder than steel when it is in ball form and it is virtually frictionless because it is non-porous. A ceramic hybrid bearing has steel races with ceramic balls. The balls will never corrode or rust.