Description Reviews MINI Cooper Upper Crankshaft Main Bearing - OEM MINI Crankshaft Main Bearing - Upper Half (Engine Block Side). Stock size 48.00mm. Fits the R52 & R53 MINI Cooper S with the W11 Supercharged Engine. Crankshaft requires 4 upper bearings. Bearings sold individually, please order a quantity of 4 for proper engine repairs. Note: We stock multiple size bearings (OEM and aftermarket). Certain sizes are special orders. If your engine build is time sensitive, give us a call to check on in stock bearings and sizes. OEM Part #: 11-21-1-492-118 11 21 1 492 118 11.21.1.492.118 11211492118 Fits the following vehicles: MINI R53 (09/2000 — 11/2006) MINI Cabrio R52 (11/2002 — 07/2008)