Drawn Cup Needle Roller Bearings Suffi xes 2 OH, 2OH, OHE, GF Oil hole(s) or grease fi tting, closed end AS, NS, NSN, P Corrosion resistant coating S, S2S, Z1S, Z1Y Corrosion resistant stainless D, R Increased performance F Plastic cage T1, T2, T6 Sealed Needle roller complement bore diameter 18 = 18⁄16 = 1 1⁄8 in Width 16 = 16⁄16 = 1 in Prefi x J, JH, JP, BT drawn cup bearing, caged, open ends MJ, MJH drawn cup bearing, caged, closed end JT drawn cup bearing, caged, one seal, open ends JTT drawn cup bearing, caged, two seals, open ends B, BH, Y drawn cup bearing, full complement, open ends GB, GBH drawn cup bearing, full complement, open ends, extra precision M, MH drawn cup bearing, full complement, closed end MJH - 18 16 1 - OH Inner Rings (with four-digit number) Inch Nominal Dimensions Prefi x IR regular width (for use with drawn cup bearings only) IRA extended width (for use with drawn cup bearings only) IR - 14 16 Bore diameter 14 = 14⁄16 = 7⁄8 in Width (IR series only) 16 = 16⁄16 = 1 in Drawn Cup Needle Roller Bearings – Inch Nominal Dimensions Suffi x 1 1 closed end blank open ends B NEEDLE ROLLER BEARINGS B-2-3