Compensating Coupling – Model CTA-BB-A

Material: Aluminum

  • one-piece compact design
  • slotted structure
  • suitable for frequent load changes
  • high torsional stiffness and runout accuracy
  • fast assembly
  • suitable for shaft diameters 3-55 mm
propertiesunitunit symbol18202225304050607080100
rated trorque(Nm)TKN23268183065120170300
overall length(mm)A±2172820284048658095100118
diameter(mm)B18202225304050607080100
clamping fit length(mm)C585,5811111925252530
inner diameter from Ø to Ø H7(mm)D13-64-83-106-126-148-1912-2614-2820-3525-4230-55
inner diameter from Ø to Ø H7(mm)D23-64-83-106-126-148-1912-2614-2820-3525-4230-55
D1 pre-drilled(mm)D12,52,52,53,55,58,58,514,518,523,528,5
D2 pre-drilled(mm)D22,52,52,53,55,58,58,514,518,523,528,5
distance(mm)E2,542,7545,55,59,512,512,512,515
distance(mm)F5,56,57,2910,51418,521252937
fastening threadsGM2,5M2,5M2,5M3M4M5M6M8M8M8M10
tightening torque(Nm)G1,571,571,571,884,38,4514,535353570
approximate weight (g)8201530501003004007009001500
torsional stiffness10³ Nm/Rad0,20,80,23,44,61124548893190
moment of inertia10-6 kgm20,31,50,44,311351142854806951060
misalignment angular12121,71,71,41,41,11,11,1
misalignment lateralmm0,30,20,30,20,20,30,30,30,30,30,3
misalignment axialmm0,40,20,40,20,20,20,20,30,30,30,3
max. rotational speed(min -1 )115001150011500100008000750070006000500040003500
CT-AA-21-01

From size 40 also available with keyway upon request

Upper drawing: Ø18 – 60

Lower drawing: Ø70 – 100