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）
7872BTNDT尼龙保持器 360 440 38 315 680 23.4 DT pairing (P0, P6, P5 levels)
7972ATNDT尼龙保持器 360 480 56 540 1180 55.8 DT pairing (P0, P6, P5 levels)
7972BTNDT尼龙保持器 360 480 56 480 1060 55.8 DT pairing (P0, P6, P5 levels)
7072ATNDT尼龙保持器 360 540 82 865 1920 124.8 DT pairing (P0, P6, P5 levels)
7072BTNDT尼龙保持器 360 540 82 775 1730 127.2 DT pairing (P0, P6, P5 levels)
7272ATNDT尼龙保持器 360 650 95 1090 2550 288 DT pairing (P0, P6, P5 levels)
7272BTNDT尼龙保持器 360 650 95 975 2310 280 DT pairing (P0, P6, P5 levels)
7876ATNDT尼龙保持器 380 480 46 455 955 39 DT pairing (P0, P6, P5 levels)
7976ATNDT尼龙保持器 380 520 65 635 1450 79.6 DT pairing (P0, P6, P5 levels)
7976BTNDT尼龙保持器 380 520 65 565 1300 81.4 DT pairing (P0, P6, P5 levels)
7076ATNDT尼龙保持器 380 560 82 800 1750 135.8 DT pairing (P0, P6, P5 levels)
7076BTNDT尼龙保持器 380 560 82 720 1580 133.4 DT pairing (P0, P6, P5 levels)
7880ATNDT尼龙保持器 400 500 46 465 1000 40.8 DT pairing (P0, P6, P5 levels)
7980ATNDT尼龙保持器 400 540 65 640 1500 84.2 DT pairing (P0, P6, P5 levels)
7980BTNDT尼龙保持器 400 540 65 570 1350 84.6 DT pairing (P0, P6, P5 levels)
7080ATNDT尼龙保持器 400 600 90 905 2030 171.8 DT pairing (P0, P6, P5 levels)
7080BTNDT尼龙保持器 400 600 90 810 1830 172.4 DT pairing (P0, P6, P5 levels)
7884ATNDT尼龙保持器 420 520 46 505 1110 42.2 DT pairing (P0, P6, P5 levels)
7984ATNDT尼龙保持器 420 560 65 665 1610 88 DT pairing (P0, P6, P5 levels)
7984BTNDT尼龙保持器 420 560 65 590 1440 88.8 DT pairing (P0, P6, P5 levels)