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combining either DB or DF series bearings. DT series bearings can also be used in various arrangements to achieve uniform load distribution. All BNT type bearings are flush ground, but other angular contact ball bearing series are not. If it is necessary to flush grind any of these other bearings, please consult NTN
interference. In this case, contact NTN Engineering for technical assistance. L: Loose fit. Duplex angular contact ball bearings can be combined in rows of two, three or four bearings to accommodate required specifications. The back-to-back duplex (DB) arrangement and the face-to-face duplex (DF) arrangement allow for
notification, NTN will, at its option, (a) correct any failure of the product to conform to drawings, specifications or any defect in material or .. For DB and DF arrangement. For DB arrangement. For duplex arrangement. NU, N type. NJ, NF type. NUP, NP, NH type. Reference page. Bearing types. Characteristics. For duplex.
7028C ∼ 7040C. 7226C. ―. ―. ―. ―. ―. ―. ―. ―. ―. ―. ―. ―. ―. Bearing series. Resin molding cage. Phenol resin machined cage. High tensile brass casting machined cage. Note: Cage design is subject to change without notice. For detailed information, contact NTN Engineering. 3 Bearing designations. 5S- 7 0 20 U
preload for DF, DB, and DT sets, but it is possible only if the combined bearings have the same clearance/preload symbols. The flush grinding technique is employed for standard BNT series, 0 series, and 2 series bearings designed for main spindles of machine tools, and for 2A-BST thrust angular contact ball bearings
notification, NTN will, at its option, (a) correct any failure of the product to conform to drawings, specifications or any defect in material or .. For DB and DF arrangement. For DB arrangement. For duplex arrangement. NU, N type. NJ, NF type. NUP, NP, NH type. Reference page. Bearing types. Characteristics. For duplex.
High speed angular contact ball bearings. SF: Special single row angular contact ball bearings. DE & DF: Special double row angular contact ball bearings. 3. 2.17 55,500 69,000 3,200 4,300. 23.6. 2,600. 3,400. 190. 290. 46. 2.1. 1.1. 55.0. 7040C. 7.8740 12.2047 2.0079 0.083 0.043. 2.34 62,000 80,000 3,100 4,100.