WZZG 4PC/lot SMR693 stainless steel hybrid ceramic bearings water drop fishing gear fishing reel bearing 3*8*4mm

$17.89
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WZZG  stainless steel hybrid ceramic bearings SMR693-ZZ   SMR693-2RS

Item: SMR693-ZZ  SMR693-2RS

Structure: Deep groove

Bearing Material: 440C Stainless Steel

Ball Material: Ceramic Si3N4

Bearing Type: Hybrid Ceramic Ball Bearing

Inner diameter (d): 3mm

Outer diameter (D): 8mm

Width (B): 4 mm

Closure: Rubber Seal (2RS)

       Metal Seal (ZZ)

Lubrication: Quick spin without grease

Magnetic: small

Hardness: 58HRC

Corrosion resistance: general

Clearance: C0

Bearing grade: ABEC-7