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Ships within 48 hours · Estimated delivery Sep 22 - Sep 27
Dimensions (mm) d L H3 J J1 N A1 A2 A3 A4 B S 35 133 92 111 78
Cage: Brass / Bronze
✅ Equal to: R188-ZZ
the NJ312MY outer diameter is 130mm
the N310MY inner diameter is 50mm
9x17x4mm Stainless Steel Ball Bearing - Miniature - Non Standard Slot Car Ball Bearing Dimensions (mm) d L H39 x 17 x 4mm Shielded Stainless Steel Ball Bearing ZZ Corrosion Resistant, High Speed Performance This 9x17x4mm deep groove ball bearing is made from stainless steel for excellent corrosion resistance. With double metal shields (ZZ) and factory grease, it's ideal for compact, high speed systems like fishing reels and precision tools. Size: 9mm ID x 17mm OD x 4mm width Type: Deep groove ball bearing Material: Stainless steel Shields: Double metal
