WZZG 4PC/lot SMR74 water drop wheel fishing gear fishing line wheel bearings 4*7*2.5 stainless steel hybrid ceramic bearings
$17.49
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WZZG stainless steel hybrid ceramic bearing SMR74-2RS
Item number: SMR74-2RS
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): 7mm
Width (B): 2.5mm
Closure: Rubber Seal (2RS)
Lubrication: no grease
Magnetic: yes
Hardness: 58HRC
Corrosion resistance: general
Standard clearance: C0
Bearing grade: ABEC-7
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