The CEMA SRC-6904LLB is a sealed cartridge hub bearing, 6904 size, 20 x 37 x 9mm, built with chrome steel balls and races to CEMA's own sealed cartridge standard. It's a direct swap into any hub, wheel build or pivot that takes a 6904 cartridge bearing at this exact size — sold individually, ready to press in.
Manufacturing defects are covered under CEMA's warranty terms. Return the bearing to Tune Cycles and we'll manage the claim on your behalf — no need to contact CEMA directly. This is in addition to your rights under the Australian Consumer Law.
  • Bearing code: 6904 (20 x 37 x 9mm)
  • Material: Chrome Steel
  • Double-sealed (LLB) design — keeps grease in, contaminants out
  • CEMA SRC sealed cartridge construction
  • Sold individually
  • Model: SRC-6904LLB
Bearing code6904
Dimensions (bore x OD x width)20 x 37 x 9mm
MaterialChrome Steel
Seal typeDouble-sealed (LLB)
ModelSRC-6904LLB
SKU BPW-0819
Model # 0819
Barcode # 9339506046702
Brand CEMA