• Apex Dynamics D Disc-Type Backlash-Free Servo Couplings (Size 05-62)
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Apex Dynamics D Disc-Type Backlash-Free Servo Couplings (Size 05-62)

Apex Dynamics D Disc-Type Backlash-Free Servo Couplings (Size 05-62)

APEX Dynamics D series backlash-free disc couplings with aluminum hubs and spacer and stainless steel discs, in 1-stage (I) and 2-stage (II) versions for servo motor, gearbox and ball screw drives.

Key features

  • Backlash-free stainless steel disc packs with high torsional rigidity, up to 1,500,000 Nm/rad (size 61/62, 1-stage)
  • Rated torque TKN 2.5 to 2,000 Nm, peak torque TKmax up to 3,000 Nm across 11 sizes
  • Hub types B/BK clamp (sizes 05-37), C/CK clamp (sizes 43-61) and H clamping-ring hub (sizes 16-62); K = keyway
  • Type I single disc pack, Type II double disc pack with spacer for larger radial misalignment
  • Low inertia aluminum design rated up to 31,150 rpm (H hub, size 16)
  • Easy axial installation; finish bores H7, keyways per DIN 6885/1 JS9 above 6 mm

Specifications

Coupling type Backlash-free disc coupling
Material Hub and spacer aluminum, disc stainless steel
Hub types B/BK, C/CK clamp hub; H clamping-ring hub
Bore tolerance H7 (H hub fit H7/h6 or H7/k6)
Keyway DIN 6885/1 JS9, bores above 6 mm
Angular misalignment 1 deg (Type I), 2 deg (Type II)
Radial misalignment Type II only, 0.13-0.62 mm by size
Ordering D-size-stage-input hub-bore-output hub-bore
Hub and bore selection Specify input/output hub type and bore when ordering (e.g. D-36-I-BK-42-B-45)
Warranty 5 years
Source APEX Dynamics Disc Coupling catalog, p. 2-13
D-05-I Size: 05 | Stages: I (1-stage) | Hubs / max bore D2: B/BK 12 mm | Torque TKN/TKmax: 2.5/5 Nm | Torsional rigidity: 2,400 Nm/rad | Max speed: 18,300 (B) rpm
D-05-II Size: 05 | Stages: II (2-stage) | Hubs / max bore D2: B/BK 12 mm | Torque TKN/TKmax: 2.5/5 Nm | Torsional rigidity: 1,200 Nm/rad | Max speed: 18,300 (B) rpm
D-10-I Size: 10 | Stages: I (1-stage) | Hubs / max bore D2: B/BK 15 mm | Torque TKN/TKmax: 7.5/15 Nm | Torsional rigidity: 5,600 Nm/rad | Max speed: 13,600 (B) rpm
D-10-II Size: 10 | Stages: II (2-stage) | Hubs / max bore D2: B/BK 15 mm | Torque TKN/TKmax: 7.5/15 Nm | Torsional rigidity: 2,800 Nm/rad | Max speed: 13,600 (B) rpm
D-16-I Size: 16 | Stages: I (1-stage) | Hubs / max bore D2: B/BK 20, H 20 mm | Torque TKN/TKmax: 35/53 Nm | Torsional rigidity: 20,000 Nm/rad | Max speed: 10,500 (B) / 31,150 (H) rpm
D-16-II Size: 16 | Stages: II (2-stage) | Hubs / max bore D2: B/BK 20, H 20 mm | Torque TKN/TKmax: 35/53 Nm | Torsional rigidity: 10,000 Nm/rad | Max speed: 10,500 (B) / 31,150 (H) rpm
D-21-I Size: 21 | Stages: I (1-stage) | Hubs / max bore D2: B/BK 30, H 28 mm | Torque TKN/TKmax: 70/105 Nm | Torsional rigidity: 40,000 Nm/rad | Max speed: 8,500 (B) / 24,700 (H) rpm
D-21-II Size: 21 | Stages: II (2-stage) | Hubs / max bore D2: B/BK 30, H 28 mm | Torque TKN/TKmax: 70/105 Nm | Torsional rigidity: 20,000 Nm/rad | Max speed: 8,500 (B) / 24,700 (H) rpm
D-26-I Size: 26 | Stages: I (1-stage) | Hubs / max bore D2: B/BK 38, H 35 mm | Torque TKN/TKmax: 120/180 Nm | Torsional rigidity: 84,000 Nm/rad | Max speed: 7,000 (B) / 20,800 (H) rpm
D-26-II Size: 26 | Stages: II (2-stage) | Hubs / max bore D2: B/BK 38, H 35 mm | Torque TKN/TKmax: 120/180 Nm | Torsional rigidity: 42,000 Nm/rad | Max speed: 7,000 (B) / 20,800 (H) rpm
D-36-I Size: 36 | Stages: I (1-stage) | Hubs / max bore D2: B/BK 45, H 42 mm | Torque TKN/TKmax: 340/510 Nm | Torsional rigidity: 280,000 Nm/rad | Max speed: 5,700 (B) / 17,100 (H) rpm
D-36-II Size: 36 | Stages: II (2-stage) | Hubs / max bore D2: B/BK 45, H 42 mm | Torque TKN/TKmax: 340/510 Nm | Torsional rigidity: 140,000 Nm/rad | Max speed: 5,700 (B) / 17,100 (H) rpm
D-37-I Size: 37 | Stages: I (1-stage) | Hubs / max bore D2: B/BK 50 mm | Torque TKN/TKmax: 340/510 Nm | Torsional rigidity: 280,000 Nm/rad | Max speed: 5,700 (B) rpm
D-37-II Size: 37 | Stages: II (2-stage) | Hubs / max bore D2: B/BK 50 mm | Torque TKN/TKmax: 340/510 Nm | Torsional rigidity: 140,000 Nm/rad | Max speed: 5,700 (B) rpm
D-43-I Size: 43 | Stages: I (1-stage) | Hubs / max bore D2: C/CK 55, H 60 mm | Torque TKN/TKmax: 600/900 Nm | Torsional rigidity: 510,000 Nm/rad | Max speed: 8,100 (C) / 13,800 (H) rpm
D-43-II Size: 43 | Stages: II (2-stage) | Hubs / max bore D2: C/CK 55, H 60 mm | Torque TKN/TKmax: 600/900 Nm | Torsional rigidity: 255,000 Nm/rad | Max speed: 8,100 (C) / 13,800 (H) rpm
D-51-I Size: 51 | Stages: I (1-stage) | Hubs / max bore D2: C/CK 70, H 70 mm | Torque TKN/TKmax: 1,300/1,950 Nm | Torsional rigidity: 920,000 Nm/rad | Max speed: 6,700 (C) / 11,600 (H) rpm
D-51-II Size: 51 | Stages: II (2-stage) | Hubs / max bore D2: C/CK 70, H 70 mm | Torque TKN/TKmax: 1,300/1,950 Nm | Torsional rigidity: 460,000 Nm/rad | Max speed: 6,700 (C) / 11,600 (H) rpm
D-61-I Size: 61 | Stages: I (1-stage) | Hubs / max bore D2: C/CK 80, H 80 mm | Torque TKN/TKmax: 2,000/3,000 Nm | Torsional rigidity: 1,500,000 Nm/rad | Max speed: 6,100 (C) / 10,000 (H) rpm
D-61-II Size: 61 | Stages: II (2-stage) | Hubs / max bore D2: C/CK 80, H 80 mm | Torque TKN/TKmax: 2,000/3,000 Nm | Torsional rigidity: 750,000 Nm/rad | Max speed: 6,100 (C) / 10,000 (H) rpm
D-62-I Size: 62 | Stages: I (1-stage) | Hubs / max bore D2: H 85 mm | Torque TKN/TKmax: 2,000/3,000 Nm | Torsional rigidity: 1,500,000 Nm/rad | Max speed: 10,000 (H) rpm
D-62-II Size: 62 | Stages: II (2-stage) | Hubs / max bore D2: H 85 mm | Torque TKN/TKmax: 2,000/3,000 Nm | Torsional rigidity: 750,000 Nm/rad | Max speed: 10,000 (H) rpm
CouplingsApex Dynamics
22 product codes available in this family
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Apex Dynamics D Disc-Type Backlash-Free Servo Couplings (Size 05-62)

Brand Apex Dynamics·Couplings

Available part numbers (22)

D-05-I, D-05-II, D-10-I, D-10-II, D-16-I, D-16-II, D-21-I, D-21-II, D-26-I, D-26-II + 12 more — see full table ↓

How to order

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Product codeSpec
D-05-ISize: 05 | Stages: I (1-stage) | Hubs / max bore D2: B/BK 12 mm | Torque TKN/TKmax: 2.5/5 Nm | Torsional rigidity: 2,400 Nm/rad | Max speed: 18,300 (B) rpm
D-05-IISize: 05 | Stages: II (2-stage) | Hubs / max bore D2: B/BK 12 mm | Torque TKN/TKmax: 2.5/5 Nm | Torsional rigidity: 1,200 Nm/rad | Max speed: 18,300 (B) rpm
D-10-ISize: 10 | Stages: I (1-stage) | Hubs / max bore D2: B/BK 15 mm | Torque TKN/TKmax: 7.5/15 Nm | Torsional rigidity: 5,600 Nm/rad | Max speed: 13,600 (B) rpm
D-10-IISize: 10 | Stages: II (2-stage) | Hubs / max bore D2: B/BK 15 mm | Torque TKN/TKmax: 7.5/15 Nm | Torsional rigidity: 2,800 Nm/rad | Max speed: 13,600 (B) rpm
D-16-ISize: 16 | Stages: I (1-stage) | Hubs / max bore D2: B/BK 20, H 20 mm | Torque TKN/TKmax: 35/53 Nm | Torsional rigidity: 20,000 Nm/rad | Max speed: 10,500 (B) / 31,150 (H) rpm
D-16-IISize: 16 | Stages: II (2-stage) | Hubs / max bore D2: B/BK 20, H 20 mm | Torque TKN/TKmax: 35/53 Nm | Torsional rigidity: 10,000 Nm/rad | Max speed: 10,500 (B) / 31,150 (H) rpm
D-21-ISize: 21 | Stages: I (1-stage) | Hubs / max bore D2: B/BK 30, H 28 mm | Torque TKN/TKmax: 70/105 Nm | Torsional rigidity: 40,000 Nm/rad | Max speed: 8,500 (B) / 24,700 (H) rpm
D-21-IISize: 21 | Stages: II (2-stage) | Hubs / max bore D2: B/BK 30, H 28 mm | Torque TKN/TKmax: 70/105 Nm | Torsional rigidity: 20,000 Nm/rad | Max speed: 8,500 (B) / 24,700 (H) rpm
D-26-ISize: 26 | Stages: I (1-stage) | Hubs / max bore D2: B/BK 38, H 35 mm | Torque TKN/TKmax: 120/180 Nm | Torsional rigidity: 84,000 Nm/rad | Max speed: 7,000 (B) / 20,800 (H) rpm
D-26-IISize: 26 | Stages: II (2-stage) | Hubs / max bore D2: B/BK 38, H 35 mm | Torque TKN/TKmax: 120/180 Nm | Torsional rigidity: 42,000 Nm/rad | Max speed: 7,000 (B) / 20,800 (H) rpm
D-36-ISize: 36 | Stages: I (1-stage) | Hubs / max bore D2: B/BK 45, H 42 mm | Torque TKN/TKmax: 340/510 Nm | Torsional rigidity: 280,000 Nm/rad | Max speed: 5,700 (B) / 17,100 (H) rpm
D-36-IISize: 36 | Stages: II (2-stage) | Hubs / max bore D2: B/BK 45, H 42 mm | Torque TKN/TKmax: 340/510 Nm | Torsional rigidity: 140,000 Nm/rad | Max speed: 5,700 (B) / 17,100 (H) rpm
D-37-ISize: 37 | Stages: I (1-stage) | Hubs / max bore D2: B/BK 50 mm | Torque TKN/TKmax: 340/510 Nm | Torsional rigidity: 280,000 Nm/rad | Max speed: 5,700 (B) rpm
D-37-IISize: 37 | Stages: II (2-stage) | Hubs / max bore D2: B/BK 50 mm | Torque TKN/TKmax: 340/510 Nm | Torsional rigidity: 140,000 Nm/rad | Max speed: 5,700 (B) rpm
D-43-ISize: 43 | Stages: I (1-stage) | Hubs / max bore D2: C/CK 55, H 60 mm | Torque TKN/TKmax: 600/900 Nm | Torsional rigidity: 510,000 Nm/rad | Max speed: 8,100 (C) / 13,800 (H) rpm
D-43-IISize: 43 | Stages: II (2-stage) | Hubs / max bore D2: C/CK 55, H 60 mm | Torque TKN/TKmax: 600/900 Nm | Torsional rigidity: 255,000 Nm/rad | Max speed: 8,100 (C) / 13,800 (H) rpm
D-51-ISize: 51 | Stages: I (1-stage) | Hubs / max bore D2: C/CK 70, H 70 mm | Torque TKN/TKmax: 1,300/1,950 Nm | Torsional rigidity: 920,000 Nm/rad | Max speed: 6,700 (C) / 11,600 (H) rpm
D-51-IISize: 51 | Stages: II (2-stage) | Hubs / max bore D2: C/CK 70, H 70 mm | Torque TKN/TKmax: 1,300/1,950 Nm | Torsional rigidity: 460,000 Nm/rad | Max speed: 6,700 (C) / 11,600 (H) rpm
D-61-ISize: 61 | Stages: I (1-stage) | Hubs / max bore D2: C/CK 80, H 80 mm | Torque TKN/TKmax: 2,000/3,000 Nm | Torsional rigidity: 1,500,000 Nm/rad | Max speed: 6,100 (C) / 10,000 (H) rpm
D-61-IISize: 61 | Stages: II (2-stage) | Hubs / max bore D2: C/CK 80, H 80 mm | Torque TKN/TKmax: 2,000/3,000 Nm | Torsional rigidity: 750,000 Nm/rad | Max speed: 6,100 (C) / 10,000 (H) rpm
D-62-ISize: 62 | Stages: I (1-stage) | Hubs / max bore D2: H 85 mm | Torque TKN/TKmax: 2,000/3,000 Nm | Torsional rigidity: 1,500,000 Nm/rad | Max speed: 10,000 (H) rpm
D-62-IISize: 62 | Stages: II (2-stage) | Hubs / max bore D2: H 85 mm | Torque TKN/TKmax: 2,000/3,000 Nm | Torsional rigidity: 750,000 Nm/rad | Max speed: 10,000 (H) rpm

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