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
