NACHI 7020C/DB bearing

NACHI 7020C/DB Bearing | Model :7020C/DB
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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.❖❖❖❖

❖❖❖FAG 7020 AC/ DB - Ball Bearings❖❖❖

❖❖❖❖FAG 7020 AC/ DB Bearing Details: Bearing Name 7020 AC/ DB New Model 7020AC/DB Old Model 246120 bearing product Model 7020AC/DB Category Angular Contact Ball Bearings Brand FAG Bearing Inner Diameter d ( mm ) 100 Outer NACHI 7020C/DB Bearing, 100, 150, 48, NACHI, Angular Contact Ball Bearings.❖❖❖❖

❖❖❖Precision Rolling Bearings❖❖❖

❖❖❖❖Bearing arrangement. Load conditions. Axial load. Dynamic equivalent radial load. NACHI BEARING. 5. Technical Description. Bearing. Selection. Bearing 16.0. 69.5. 69.5. 7020C. 100. 150. 24. 1.5. 1. 2.4. 76.0. 77.5. 7020AC. 100. 150. 24. 1.5. 1. 17.2. 71.0. 73.0. Face-to-face (DF). Back-to-back (DB). Tandem (DT). D d.❖❖❖❖

❖❖❖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❖❖❖❖


❖❖❖❖Compared with the DB Type, the distance between the effective load centers is small, so the capacity to sustain moments is inferior to the DB Type. Tandem. (DT). (Example). 7208 A DT. Radial loads and axial loads in one direction can be sustained. Since two bearings share the axial load, this arrangement is used when❖❖❖❖

❖❖❖Bearing Training Manual - Nachi America❖❖❖

❖❖❖❖May 3, 2017 DB = 2 Bearings in Back-to-Back Arrangement. TAB = Ball Screw Support Bearing (Bearing Contact Angle 60º). Bore Size: 35 = Bore size 35 mm. 07. 07 DU 2LR GM P4. P4 = ABEC 7 = Super Precision. GM = Medium Preload (Standard). 2LR = Rubber Seals on Both Sides. 2NKE = Non-Contact Seals on❖❖❖❖