NACHI 7030C/DB bearing

Online Messages
  • Precision Rolling Bearings

    Angular Contact Ball Bearings / Flush Ground Type. U and DU Series. 2. Features. Combinations. Any Combination of NACHI FLUSH GROUND. Precision Beanings will provide the desired preload, obviously facilitating bearing handling. There are three basic combinations: * Back to back combination (DB). * Face to face
  • 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.
  • Ball & Roller Bearings Catalog - NTN Bearing

    DB. DT. SINGLE DIRECTION THRUST BEARINGS consist of two washers having ball grooves ground into their adja- cent faces with balls and cages mounted 1.57 29,700 32,500 4,500 6,000. 7.58. 3,600. 4,800. 140. 210. 33. 2.0. 1.0. 40.0. 7030C. 5.9055 8.8583 1.3780 0.083 0.043. 1.67 34,000 38,000 4,200 5,600.
  • 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.