WZZG 4PC/lot SMR84 Stainless Steel Hybrid Ceramic Ball Bearings 4x8x3mm

WZZG  Stainless Steel Hybrid Ceramic Ball Bearings SMR84-ZZ SMR84-2RS

Item: SMR84-ZZ  SMR84-2RS

Structure: Deep groove

Bearing Material: 440C Stainless Steel

Ball Material: Ceramic Si3N4

Bearing Type: Hybrid Ceramic Ball Bearing

Inner diameter (d): 4mm

Outer diameter (D): 8mm

Width (B): 3 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