NBK MST/MSTS

Specifications Catalog Number Max.Bore(mm) Rated Torque […]

Zero Backlash
Design changes in the aluminum alloy’s slit pattern have improved performance
Recipient of the 1998 Ministry of Economy, Trade and Industry Good Design Award
One-piece metallic spring coupling
Absorption of parallel, angular misalignments and shaft end-play by spring action
High torsional stiffness and response
Identical clockwise and counter-clockwise rotational
Available in aluminum alloy and stainless steel
Available in a wide range of sizes Outer diameter: φ8〜φ63
Finished products featuring two different end bore diameters available in stock.
We produce clean washed, single piece specialty couplings constructed of SUS304 steel for special environment use Please inquire for price and delivery time

Specifications

Catalog Number	Max.Bore (mm)	Rated Torque (N•m)	Max.Torque (N•m)	Max. Rotational Frequency (min^-1)	Moment of Inertia* (kg•m²)	Static Torsional Stiffness (N•m/rad)	Errors of Eccentricity (mm)	Errors of Angularity (°)	Errors of Shaft End-Play (mm)	Mass* (g)
MST-8	4	0.1	0.2	78000	1.2×10^-6	25	0.1	2	0.2	1.4
MST-12	6	0.4	0.8	52000	8.3×10^-8	45	0.1	2	0.3	1.4
MST-16	8	0.5	1	39000	3.3×10^-7	80	0.1	2	0.4	8.1
MST-20	10	1	2	31000	9.0×10^-7	170	0.1	2	0.4	14
MST-25	12	2	4	25000	2.6×10^-6	380	0.15	2	0.5	27
MST-32	16	4	8	19000	9.6×10^-6	500	0.15	2	0.5	60
MST-40	20	8	16	15000	3.2×10^-5	700	0.2	2	0.5	130
MST-50	25	16	32	12000	1.0×10^-4	1800	0.2	2	0.5	260
MST-63	35	32	64	10000	3.2×10^-4	3100	0.2	2	0.5	490
MSTS-8	4	0.2	0.4	78000	3.1×10^-8	50	0.1	2	0.2	3
MSTS-12	6	0.3	0.6	52000	2.1×10^-7	64	0.1	2	0.3	9.3
MSTS-16	8	0.5	1	39000	8.4×10^-7	85	0.1	2	0.3	21
MSTS-20	10	1	2	31000	2.4×10^-6	250	0.1	2	0.3	38
MSTS-25	12	2	4	25000	6.8×10^-6	330	0.15	2	0.4	71
MSTS-32	16	3.5	7	19000	8.7×10^-5	330	0.15	2	0.5	160
MSTS-40	20	8	16	15000	8.7×10^-5	1000	0.2	2	0.5	350
MSTS-50	25	15	30	12000	2.7×10^-4	1400	0.2	2	0.5	700
MSTS-63	35	35	70	10000	8.4×10^-4	1800	0.2	2	0.5	1300

NBK