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Metric Four and Six Beam Beam Couplings – Aluminium 7075 (A) or Stainless Steel 303 (SS)

• Bore tolerance+0.025 mm / -0.000 mm   •  Recommended shaft tolerance +0.000 mm / -0.013 mm
• Type BCC/BCF couplings have two patchlock socket head cap screws each end
• Type BCD/BCE couplings have two set screws each end, 120 degrees apart

Four Beam BCF & BCE Series

Part Number Specifications
 Clamp
Style
Set Screw
Style
Bores B1, B2
(mm)
Outer Ø OD
(mm)
Length  L (mm)
(BCF)
Length  L (mm)
(BCE)
Cap Screw
(BCF)
Set  Screw
(BCE)
BCF15 BCE15 3 15 22 20 M2 M3
4 15 22 20 M2 M3
5 15 22 20 M2 M3
BCF20 BCE20 4 20 28 20 M3 M3
5 20 28 20 M3 M3
 6 20 28 20 M3 M3
BCF25 BCE25  6 25 30 24 M3 M4
 8 25 30 24 M3 M4
 10 25 30 24 M3 M4
BCF30 BCE30  8 30 38 30 M4 M5
 10 30 38 30 M4 M5
12 30 38 30 M4 M5

Six Beam BCC & BCD Series

Part Number Specifications
Clamp
Style
Set Screw
Style
Bores B1, B2
(mm)
Outer Ø OD (mm) Clearance diam. c
(mm) (BCC) max
Length  L (mm)
(BCC)
Length  L (mm)
(BCD)
Cap Screw
(BCC)
Set  Screw
(BCD)
BCC16 BCD16 5 15.88 20.22 25.4 25.4 M3 M4
6 15.88 20.22 25.4 25.4 M3 M4
BCC19 BCD19 5 19.05 22.23 31.75 31.75 M3 M4
 6 19.05 22.23 31.75 31.75 M3 M4
 7 19.05 22.23 31.75 31.75 M3 M4
 8 19.05 22.23 31.75 31.75 M3 M4
BCC25 BCD25  6 25.4 28.37 38.1 38.1 M4 M5
 7 25.4 28.37 38.1 38.1 M4 M5
 8 25.4 28.37 38.1 38.1 M4 M5
 9 25.4 28.37 38.1 38.1 M4 M5
 10 25.4 28.37 38.1 38.1 M4 M5
 11 25.4 28.37 38.1 38.1 M4 M5
 12 25.4 28.37 38.1 38.1 M4 M5
BCC32 BCD32  8 31.75 37.06 44.45 44.45 M5 M6
 9 31.75 37.06 44.45 44.45 M5 M6
 10 31.75 37.06 44.45 44.45 M5 M6
 11 31.75 37.06 44.45 44.45 M5 M6
 12 31.75 37.06 44.45 44.45 M5 M6
 14 31.75 37.06 44.45 44.45 M5 M6
 15 31.75 37.06 44.45 44.45 M5 M6
BCC38 BCD38  10 38.1 41.71 57.15 57.15 M5 M6
 11 38.1 41.71 57.15 57.15 M5 M6
 12 38.1 41.71 57.15 57.15 M5 M6
 14 38.1 41.71 57.15 57.15 M5 M6
 15 38.1 41.71 57.15 57.15 M5 M6
 16 38.1 41.71 57.15 57.15 M5 M6
 19 38.1 41.71 57.15 57.15 M5 M6

Four beam and six beam couplings offered. Four beam couplings are more flexible with lower bearing loads.
Six beam couplings have increased torque capacity and higher torsional stiffness.
Two sets of cuts around centre member better accommodate parallel misalignment than single beam couplings.

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