WZZG 4PC/lot SMR128 Stainless Steel Hybrid Ceramic Bearings 8x12x3.5 mm

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WZZG Stainless Steel Hybrid Ceramic Bearings SMR128-ZZ  SMR128-2RS

Item: SMR128-ZZ  SMR128-2RS

Structure: Deep groove

Bearing Material: 440C Stainless Steel

Ball Material: Ceramic Si3N4

Bearing Type: Hybrid Ceramic Ball Bearing

Inner diameter (d): 8mm

Outer diameter (D): 12mm

Width (B): 3.5 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