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）
7340BTNDT尼龙保持器 200 420 80 700 1200 110.6 DT pairing (P0, P6, P5 levels)
7844ATNDT尼龙保持器 220 270 24 138 270 5.68 DT pairing (P0, P6, P5 levels)
7844BTNDT尼龙保持器 220 270 24 122 241 5.64 DT pairing (P0, P6, P5 levels)
7944ATNDT尼龙保持器 220 300 38 279 465 15.2 DT pairing (P0, P6, P5 levels)
7944BTNDT尼龙保持器 220 300 38 248 415 15.18 DT pairing (P0, P6, P5 levels)
7044ATNDT尼龙保持器 220 340 56 460 785 37 DT pairing (P0, P6, P5 levels)
7044BTNDT尼龙保持器 220 340 56 410 710 36.8 DT pairing (P0, P6, P5 levels)
7244ATNDT尼龙保持器 220 400 65 665 1170 73 DT pairing (P0, P6, P5 levels)
7244BTNDT尼龙保持器 220 400 65 600 1060 72.2 DT pairing (P0, P6, P5 levels)
7344ATNDT尼龙保持器 220 460 88 805 1450 146.4 DT pairing (P0, P6, P5 levels)
7344BTNDT尼龙保持器 220 460 88 730 1330 145.8 DT pairing (P0, P6, P5 levels)
7848ATNDT尼龙保持器 240 300 28 179 350 8.7 DT pairing (P0, P6, P5 levels)
7848BTNDT尼龙保持器 240 300 28 159 315 8.7 DT pairing (P0, P6, P5 levels)
7948ATNDT尼龙保持器 240 320 38 293 520 16.74 DT pairing (P0, P6, P5 levels)
7948BTNDT尼龙保持器 240 320 38 261 465 16.86 DT pairing (P0, P6, P5 levels)
7048ATNDT尼龙保持器 240 360 56 485 865 38.6 DT pairing (P0, P6, P5 levels)
7048BTNDT尼龙保持器 240 360 56 435 780 39.8 DT pairing (P0, P6, P5 levels)
7248ATNDT尼龙保持器 240 440 72 705 1330 101.8 DT pairing (P0, P6, P5 levels)
7248BTNDT尼龙保持器 240 440 72 635 1200 100.6 DT pairing (P0, P6, P5 levels)
7348ATNDT尼龙保持器 240 500 95 920 1760 185 DT pairing (P0, P6, P5 levels)