DT pairing (P0, P6, P5 levels)

DT pairing is one of the three classic paired installation methods for angular contact ball bearings, with the full name Double Tandem (series connection) and code DT. The core is to install two angular contact ball bearings of the same specification in the same direction (outer ring wide/narrow edge in the same direction, contact angle centerline in the same line), forming a unidirectional load superposition layout, suitable for radial load+ultra large unidirectional axial load conditions. It is the core choice for heavy-duty shaft systems that need to withstand unidirectional large axial forces, such as rolling mills, cranes, hydraulic equipment, etc. It can be adapted to the full series of angular contact ball bearings such as 7000C/AC/B and AC7000 all ceramic types.

Model Basic Dimensions Basic rated dynamic load WeightType
Inner diameter Outer diameter Thickness Dynamic load Static load
[mm] [mm] [mm] (kN) (kN) （kg）
7318CMDT车削铜保持器 90 190 43 281 289 10.6 DT pairing (P0, P6, P5 levels)
7318AMDT车削铜保持器 90 190 43 2 2.8 10.12 DT pairing (P0, P6, P5 levels)
7318BMDT车削铜保持器 90 190 43 1.8 2.4 10.34 DT pairing (P0, P6, P5 levels)
7418AMDT车削铜保持器 90 225 54 351 393 22.8 DT pairing (P0, P6, P5 levels)
7418BMDT车削铜保持器 90 225 54 325 364 22.8 DT pairing (P0, P6, P5 levels)
7019AMDT车削铜保持器 95 145 24 3.8 5 2.86 DT pairing (P0, P6, P5 levels)
7019BMDT车削铜保持器 95 145 24 97 121 2.64 DT pairing (P0, P6, P5 levels)
7219AMDT车削铜保持器 95 170 32 2.6 3.6 5.36 DT pairing (P0, P6, P5 levels)
7219BMDT车削铜保持器 95 170 32 1.9 2.6 5.48 DT pairing (P0, P6, P5 levels)
7319CMDT车削铜保持器 95 200 45 300 319 12.24 DT pairing (P0, P6, P5 levels)
7319AMDT车削铜保持器 95 200 45 1.9 2.6 11.66 DT pairing (P0, P6, P5 levels)
7319BMDT车削铜保持器 95 200 45 1.7 2.4 11.96 DT pairing (P0, P6, P5 levels)
7820AMDT车削铜保持器 100 125 13 34 50.5 0.72 DT pairing (P0, P6, P5 levels)
7920AMDT车削铜保持器 100 140 20 78 105 1.86 DT pairing (P0, P6, P5 levels)
7020AMDT车削铜保持器 100 150 24 3.6 5 2.96 DT pairing (P0, P6, P5 levels)
7020BMDT车削铜保持器 100 150 24 99.5 127 2.74 DT pairing (P0, P6, P5 levels)
7220AMDT车削铜保持器 100 180 34 233 251 6.44 DT pairing (P0, P6, P5 levels)
7220BMDT车削铜保持器 100 180 34 212 229 6.56 DT pairing (P0, P6, P5 levels)
7320CMDT车削铜保持器 100 215 47 320 346 15.06 DT pairing (P0, P6, P5 levels)
7320AMDT车削铜保持器 100 215 47 335 385 14.58 DT pairing (P0, P6, P5 levels)