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Metric Four 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 BCB couplings have socket head cap screws each end  • Type BCA couplings size BCA10 to BCA19 have one set screw
each end, size BCA 22 to BCA32 have two set screws 120 degrees apart   • Zero backlash

Part No. Specifications
 Clamp
Style
Set Screw
Style
Bores B1, B2
(mm)
Outer Ø OD
(mm)
Length L
(mm)
Cap Screw
(BCB)
Set Screw
(BCA)
BCB10 BCA10 3 9.5 14.3 M1.6 M2
BCB13 BCA13 3 12.7 19.1 M2 M2
BCB16 BCA16 3  15.9 20.3 M2 M3
4  15.9 20.3 M2 M3
5  15.9 20.3 M2 M3
BCB19 BCA19 3 19.1 22.9 M2.5 M4
4 19.1 22.9 M2.5 M4
5 19.1 22.9 M2.5 M4
6 19.1 22.9 M2.5 M4
BCB22 BCA22 5 22.2 27 M3 M4
6 22.2 27 M3 M4
7 22.2 27 M3 M4
8 22.2 27 M3 M4
BCB25 BCA25 6 25.4 31.8 M4 M4
7 25.4 31.8 M4 M4
8 25.4 31.8 M4 M4
9 25.4 31.8 M4 M4
BCB29 BCA29 6 28.6 38.1 M4 M5
7 28.6 38.1 M4 M5
8 28.6 38.1 M4 M5
9 28.6 38.1 M4 M5
10 28.6 38.1 M4 M5
11 28.6 38.1 M4 M5
12 28.6 38.1 M4 M5
BCB32 BCA32 6 31.8 38.1 M4 M6
7 31.8 38.1 M4 M6
8 31.8 38.1 M4 M6
9 31.8 38.1 M4 M6
10 31.8 38.1 M4 M6
11 31.8 38.1 M4 M6
12 31.8 38.1 M4 M6
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