NACHI 7204AC/DF bearing

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  • Combination Angular Contact Ball Bearings - Nachi America

    Normally Single Row Angular Contact Ball Bearings are used as a combination of two or more bearings. Three types of combinations are available; 1) DB, back to back 2) DF, face to face 3) DT, tandem; Clearance of matched set are adjusted before shipment, care should be taken to prevent mixing of parts from other sets.
  • Angular Contact Ball Bearings Single Mounting/Duplex Mounting

    i = 2 for DB or DF mounting i = 1 for Single or DT mounting. • Single or DT mounting. When Fa/Fr≦e, use Pr = Fr. • Static equivalent radial load. Por = XoFr+YoFa. 15°. 30°. 40°. X0. Y0. X0. Y0. 0.5. 0.46. 1. 0.92. 0.5. 0.33. 1. 0.66. 0.5. 0.26. 1. 0.52. • Single or DT mounting. When Por<Fr, use Pr = Fr φ d φ d a2 φ d a1.