With the different stainless steel balls, Si3N4 balls more lighter,and pre-lubricated. The longer you used, the operation more smooth and cast longer. All 3x10x4mm Ceramic fishing reel bearings inside is Dry(LD = Lube Dry). Oil and Greased can be added as request.
ABEC-5, ABEC-7 stainless steel HPCR ball bearings S623C, the higher Ratings ABEC-7, the less tolerance and less rolling resistance. After 3x10x4 High Speed Ceramic bearing install, really make fishing reels so much better. Spinning fast and easy to catch the fish.
For Smooth ball bearing system 3x10x4mm with Ceramic Si3N4 Bearing Balls, included:
S623C-2RS, SMR103C-2OS Orange Rubber Seals Bearings
S623C-ZZ metal shield A-RB Anti-Rust Bearings
S623C open HPCR (High Precision Corrosion Resistant) bearings
Widely used in kinds of below fishing reels
Spinning Reels
Spincast Reels
Conventional Reels
Fly Reels
Saltwater Spinning ReelsSurf Reels
Lever Drag Reels
Star Drag Reels
Low Profile Reels
Round Reels
Electric Reels
S623C-2R Orange Rubber Seals Hybrid Ceramic Ball Bearings 3x10x4mm
S623C-ZZ metal shield A-RB Anti-Rust Bearings
S623C open HPCR (High Precision Corrosion Resistant) bearings
3x10x4mm Full Ceramic Ball Bearings ZrO2 623 bearing