Stainless Steel flexible beam Coupling made of SS 304. Stainless steel has high corrosin and fatigue resistance. Seamless shaft and sleeve connection,suitable for reversng.
1:Integrated structure,the overall use of stainless steel
2:Stainless steel has high corrosin and fatigue resistance.
3:Seamless shaft and sleeve connection,suitable for reversng.
4:Jack screw.
BCS Series
BCS-Outside diameter X Total length – d1 bore X d2 bore
Example: BCS-32X32-10X10
BC: Beam coupling
S: Stainless steel
32: Outside diameter
32: Total length
10: d1 bore diameter
10: d2 bore diameter
Model | d1 d2
Bore |
ΦD | L | L1 | L2 | F | M | Wrench Torque
(N.M) |
BCS-16X23 | 3,4,5,6, 6.35 | Φ16 | 23 | 0.5 | 1.3 | 3.6 | 4-M3X5 | 0.7 |
BCS-19X23 | 4,5,6, 6.35 ,7,8 | Φ19 | 23 | 0.5 | 1.3 | 3.6 | 4-M3X5 | 0.7 |
BCS-20X26 | 4,5,6, 6.35 ,7,8 | Φ20 | 26 | 0.5 | 1.4 | 3.6 | 4-M4X6 | 1.7 |
BCS-25X25 | 5,6, 6.35 ,7,8,9, 9.525 ,10,11,12 | Φ25 | 25 | 0.7 | 1.7 | 3.6 | 4-M4X6 | 1.7 |
BCS-25X31 | 5,6, 6.35 ,8,9, 9.525 ,10,11,12 | Φ25 | 31 | 0.7 | 1.8 | 4.3 | 4-M4X6 | 1.7 |
BCS-28.5X38 | 6, 6.35 ,8,9, 9.525 ,10,11,12,14 | Φ28.5 | 38 | 0.8 | 2.1 | 4.5 | 4-M4X8 | 1.7 |
BCS-32X32 | 8,9, 9.525 ,10,11,12,14,15 | Φ32 | 32 | 0.8 | 2.3 | 6 | 4-M5X8 | 4 |
BCS-32X41 | 8,9, 9.525 ,10,11,12,14,15 | Φ32 | 41 | 0.8 | 2.3 | 6 | 4-M5X8 | 4 |
BCS-38.1X38.1 | 8,9, 9.525 ,10,11,12,14,15 | Φ38.1 | 38.1 | 0.8 | 2.3 | 5 | 4-M5X8 | 4 |
BCS-38X41 | 10,11,12, 12.7 ,14,15,16,19 | Φ38 | 41 | 0.8 | 2.3 | 7 | 4-M6X10 | 7 |
BCS-40X50 | 10,11,12, 12.7 ,15,16,19 | Φ40 | 50 | 0.8 | 2.3 | 7.5 | 4-M6X10 | 7 |
BCS-40X56 | 8,9, 9.525 ,10,11,12,14,15,16,19,20 | Φ40 | 56 | 0.8 | 2.3 | 7.5 | 4-M6X10 | 7 |
BCS-50X50 | 10,11,12, 12.7 ,14,15,16,19,20,22,25 | Φ50 | 50 | 0.8 | 2.9 | 7.22 | 4-M8X16 | 12 |
BCS-50X71 | 10,11,12, 12.7 ,14,15,16,19,20,22,25 | Φ50 | 71 | 0.8 | 3.3 | 8.48 | 4-M8X16 | 12 |
BCS-63X90 | 14,15,16,18,19,20,22,24,25,28,30,35 | Φ65 | 90 | 0.8 | 3.6 | 12.4 | 4-M8X20 | 12 |
Model | Rated torque
(N.M) |
Maximum torque
(N.M) |
Allow Radial direction
(mm) |
Allow angle
(°) |
Allow Axis
(mm) |
Maximum speed
(rpm) |
Static torsional stiffness
(N.M/rad) |
Moment of inertia
(kg.M2) |
Flexible colloidal material | Surface Treatment | Weight
(g) |
BCS-16X23 | 0.9 | 1.8 | 0.1 | 2 | ±0.2 | 9500 | 85 | 8.4×10-7 | SUS | Polishing processing | |
BCS-19X23 | 0.9 | 1.8 | 0.1 | 2 | ±0.2 | 7300 | 240 | 2.1×10–6 | 30 | ||
BCS-20X26 | 1.7 | 3.4 | 0.1 | 2 | ±0.2 | 7600 | 250 | 2.4×10–6 | 38 | ||
BCS-25X25 | 1.8 | 3.6 | 0.1 | 2 | ±0.2 | 7600 | 720 | 6.1×10–6 | 63 | ||
BCS-25X31 | 3.6 | 7.2 | 0.15 | 2 | ±0.2 | 6100 | 330 | 6.8×10–6 | 71 | ||
BCS-28.5X38 | 3.6 | 7.2 | 0.15 | 2 | ±0.2 | 6100 | 450 | 7.5×10–6 | 120 | ||
BCS-32X32 | 5.4 | 10.8 | 0.15 | 2 | ±0.2 | 5500 | 1300 | 2.1×10–5 | 130 | ||
BCS-32X41 | 5.4 | 10.8 | 0.15 | 2 | ±0.2 | 5000 | 850 | 2.1×10–5 | 145 | ||
BCS-38.1X38.1 | 7.2 | 14.4 | 0.15 | 2 | ±0.2 | 3800 | 850 | 7.0×10–5 | 240 | ||
BCS-38X41 | 12.6 | 25.2 | 0.2 | 2 | ±0.2 | 3800 | 900 | 7.7×10–5 | 250 | ||
BCS-40X50 | 15 | 30 | 0.2 | 2 | ±0.2 | 3600 | 950 | 8.1×10–5 | 380 | ||
BCS-40X56 | 15 | 30 | 0.2 | 2 | ±0.2 | 3600 | 950 | 8.3×10–5 | 390 | ||
BCS-50X50 | 33 | 66 | 0.2 | 2 | ±0.2 | 3200 | 1350 | 9.2×10–5 | 720 | ||
BCS-50X71 | 38 | 76 | 0.2 | 2 | ±0.2 | 3200 | 1650 | 10.7×10–5 | 900 | ||
BCS-63X90 | 50 | 100 | 0.2 | 2 | ±0.2 | 3000 | 2150 | 13.4×10–5 | 1655 |