J&T Bearing Co. 15x21x4mm NMB Rubber Sealed Bearing (10) JTB-JT10012-10

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J&T Bearing Co. 15x21x4mm NMB Rubber Sealed Bearing (10) JTB-JT10012-10

J&T Bearing 15x21x4mm NMB Rubber Sealed Bearings provide a level of quality that can only come from the NMB name. These bearings are a great "mid-grade" option between standard steel bearings and more expensive ceramic bearings. These grease filled bearings feature polished stainless steel balls, "TW" type nylon ball retainer, rubber shields on both sides and an accurate Abec 5 rating. These are a great choice for any application that uses an 15x21x4mm bearing. Package includes ten bearings.