Spiral Beam Coupling Set Screw Style : BC Series

BC series set screw style spiral beam coupling bore d1,d2 3~35mm;OD:10~63; Set screw style; Flexible couplings manufacturer and Supplier in China.

Features

• Integrated structure, the overall use of high-strength aluminum alloy.
• Flexible action to compensate radial, angular and axial misalignment.
• Seamless shaft and sleeve connection, suitable for reversing.
• Set screw type.
• Flexible colloidal material: High strength aluminum alloy;
• Surface Treatment: Oxidation treatment;

Spiral Beam Coupling : Set Screw Style Size Chart:

Model	d1  d2Bore	ΦD	L	L1	L2	F	M	Wrench Torque(N.M)
BC-10X12	3,4,5	Φ10	12	0.5	1.2	2	4-M2.5X3	0.5
BC-12X18.5	3,4,5,6, 6.35	Φ12	18.5	0.5	1.2	2.5	4-M3X6	0.7
BC-15.5X23	4,5,6, 6.35	Φ15.5	23	0.5	1.4	3.6	4-M4X5	1.7
BC-16X23	4,5,6, 6.35	Φ16	23	0.5	1.4	3.6	4-M4X5	1.7
BC-17.5X23	4,5,6, 6.35	Φ17.5	23	0.5	1.4	3.6	4-M4X5	1.7
BC-19X23	3,4,5,6, 6.35 ,8	Φ19	23	0.5	1.4	3.6	4-M4X5	1.7
BC-20X26	4,5,6, 6.35 ,7,8	Φ20	26	0.5	1.5	3.6	4-M4X6	1.7
BC-25X25	5,6, 6.35 ,8,9, 9.525 ,10,11,12	Φ25	25	0.55	1.7	3.6	4-M4X6	1.7
BC-25X31	6, 6.35 ,8,9, 9.525 ,10,11,12	Φ25	31	0.55	1.8	4.3	4-M4X6	1.7
BC-28.5X38	8,9, 9.525 ,10,11,12,14	Φ28.5	38	0.8	2.1	4.5	4-M4X8	1.7
BC-32X32	8,9, 9.525 ,10,11,12,14,15	Φ32	32	0.8	2.3	6	4-M5X8	4
BC-38.1X38.1	8,9, 9.525 ,10,11,12,14,15	Φ38.1	38.1	0.8	2.3	5.3	4-M5X8	4
BC-38X41	8,9, 9.525 ,10,11,12,14,15	Φ38	41	0.8	2.3	6	4-M5X8	4
BC-40X56	8,9, 9.525 ,10,11,12,14,15,16,19	Φ40	56	0.8	2.3	7	4-M6X10	7
BC-50X50	12, 12.7 ,14,15,16,19,20,22,24	Φ50	50	0.8	2.9	7	4-M8X12	8.4
BC-50X71	12, 12.7 ,14,15,16,19,20,22,24	Φ50	71	0.8	3.3	8.5	4-M8X12	8.4
BC-63X90	14,15,16,18,19,20,22,24,25,30	Φ63	90	0.8	4	11.3	4-M8X14	8.4

Spiral Beam Coupling Model and data

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)	Weight(g)
BC-10X12	0.5	1	0.1	2	±0.2	35000	38	7.5×10-8	2.3
BC-12X18.5	0.8	1.6	0.1	2	±0.2	32000	45	8.3×10-8	3.7
BC-15.5X23	0.9	1.8	0.1	2	±0.2	23000	76	2.9×10-7	3.7
BC-16X23	1	2	0.1	2	±0.2	24000	80	3.3×10-7	7.8
BC-17.5X23	1.1	2.2	0.1	2	±0.2	23000	100	5.6×10-7	9.6
BC-19X23	1.2	2.4	0.1	2	±0.2	20000	150	8.7×10-7	12
BC-20X26	1.5	3	0.15	2	±0.2	19000	245	9.0×10-7	14
BC-25X25	2	4	0.15	2	±0.2	15000	350	2.2×10-6	23
BC-25X31	2	4	0.15	2	±0.2	15000	330	2.6×10-6	27
BC-28.5X38	3	6	0.15	2	±0.2	13000	500	4.3×10-6	46
BC-32X32	4	8	0.15	2	±0.2	12000	870	8.0×10-6	50
BC-38.1X38.1	6.5	13	0.2	2	±0.2	11000	880	2.9×10-6	98
BC-38X41	6.5	13	0.2	2	±0.2	10000	900	3.0×10-5	107
BC-40X56	8	16	0.2	2	±0.2	9600	950	3.2×10-5	135
BC-50X50	20	40	0.2	2	±0.2	8000	1350	6.8×10-5	220
BC-50X71	25	50	0.2	2	±0.2	8000	1450	8.8×10-5	322
BC-63X90	35	70	0.2	2	±0.2	6000	2200	8.8×10-5	650