SME 3009 Main Bearing Series II Early Improved 3012 Compatible Spare Part

SME 3009 main bearing assembly, used, in good condition and fits Series II, Series II Improved and 3012 tonearms.The SME 3009 was a widely used tonearm produced across Series II and Series II Improved variants, with the 3012 sharing the same bearing but a longer arm tube. This is the main bearing assembly, which houses the vertical and horizontal pivot mechanism supporting the arm tube. Key specifications Vertical Bearing Configuration: Two single-row deep-groove ball bearings Ball Bearing Dimensions (each): OD 17 mm, ID 9 mm, Width 4 mm (SKF 618/9 equivalent) Horizontal (Knife-Edge) Bearing Type: Series II: metal knife-edge; Series II Improved: nylon/plastic knife-edge Specifications Compatible Brand: SME Colour: Black Compatible Model: 3009, 3009 Series II Compatible Product Line: SME 3009 / 3012 Country of Origin: England Vertical Bearing Configuration: Two single-row deep-groove ball bearings Ball Bearing Dimensions (each): OD 17 mm, ID 9 mm, Width 4 mm (SKF 618/9 equivalent) Horizontal (Knife-Edge) Bearing Type: Series II: metal knife-edge; Series II Improved: nylon/plastic knife-edge Manufacturer: SME Limited, Steyning, England Tonearm Arm Length (3009 / 3012 difference): 3009: 9 in; 3012: 12 in — same bearing, different arm tube length