Big end bearing set
Mini: All models with A-Series engine with 848 cc, 998 cc and 1098 cc, Cooper with A-Series engine with 997 cc and 998 cc, Cooper S with A-Series engine with 970 cc, 1070 cc and 1275 cc plus all models with A-plus-Series engine with 998 cc
Sprite / Midget: To October 1974 with 948 cc, 1098 cc and 1275 cc engines (Sprite to AAN10-87824, Midget to GAN5-153920)
+0.010" oversize - heavy duty steel-backed cast copper lead Tri-metal bearings. Shaft diameter of the standard crankshaft: 1.625". Upper and lower half with groove and oil hole
Tri-metal bearings from cast leaded bronze are renowned as the best material for high performance and heavy duty applications. The alloy is continuosly cast onto a steel strip, normally precision plated with a lead indium overlay. The lead content giving it exellent embeddability, conformability and good lubricity under inadequate lubrication conditions.Its unique properties ensure longer life engine, maoking ist one of the most reliable bearings in the world.
