Bearing
Self-Aligning Ball Bearings
Bearing model: SMR74C-ZZ
Ring material: 440C stainless steel
Ball material: Si3N4 ceramic
Inner diameter: 4mm
Outer diameter: 7mm
Width: 2.5mm
Accuracy: ABEC-7(P4)
Seal Type: Metal Shield
Lubrication: Self-lubricating (no grease or oil)
Features: high speed corrosion resistance rust prevention dry lubrication insulation.
Applications: fishing reels remote control cars mini tools small motors household appliances etc.
4x7x2.5mm SMR74C-ZZ ABEC7 Si3N4 Ceramic Ball Bearing MR74Z SMR74 L740ZZ RD10314 Fishing Reel Hybrid Ceramic Bearing