Bearing, bottom end overhaul kit, for Norton Mk3 850, s+0.010 size, Made in UK. includes: 2 x superblend bearing (NJ306E); 1 x big end shell set (std); 4 x big end nuts; 4 x big end bolts Original Part Number: 064118 - superblend bearing (NJ306E) x 2 064285 - big end shell set (+10) x 1 067827 - big end nuts x 4 066486 - big end bolts x 4