MR&R bearings Series:MR&R bearings Product Name:MR&R bearings Brand:NCKBRT Shield / closure: Open ball bearing, Z, ZZ, RS, 2RS, 2RZ Tolerance: ABEC-1, ABEC-3, ABEC-5, ABEC-7 Vibration level: V4, V3, V2, V1 Radial play: C0, C2, C3, C4, C5 Material: Gcr15 Retainer: PTFE, nylon, PEEK or (stainless)steel Hardness: 59 - 63HRC Application: office machine, mini motor, driver, fixed disk motor, recorder memory drum, mini fan, encoder and so on. Such as: MR84, MR104, MR85, MR95, MR115, MR126, MR137, MR128, MR148, R144. R3, R166, R168, R188, R4, R6, R8, R10, R12, MR84ZZ, MR104ZZ, MR85ZZ, MR95ZZ, MR115ZZ, MR126ZZ, MR137ZZ, MR128ZZ, MR148ZZ, R144ZZ, R3ZZ, R166ZZ, R168ZZ, R188ZZ, R4ZZ, R6ZZ, R8ZZ, R10ZZ, R12ZZ
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