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Disc Coupling Clamping Type (Double Disc) SDWC (Part Numbers)

Disc type coupling with low moment of inertia and stable even at high speed.
[Features]
·It has a shape with high torsional rigidity and is excellent in oil and chemical resistance.
·Semi-permanent life with zero backlash.
·Absorbs declination, eccentricity, and end play misalignment.
・ The characteristics of forward/reverse rotation are the same and no repair is required.
[Applications]
·It can be used for servo motors, stepping motors, precision motors, etc.
·Ideal for high-precision encoders, dynamometer drivers, high-speed, high-precision position control systems, centrifuges, copiers, etc.

Part Number

Configured Part Number is shown.

Product TOP

: 30; 60; 90

Part Number
SDWC-54C-12K5X25K9
SDWC-54C-12K5X25K10
SDWC-54C-12X12
SDWC-54C-12X12K4
SDWC-54C-12X12K5
SDWC-54C-12X12.7
SDWC-54C-12X12.7K5
SDWC-54C-12X14
SDWC-54C-12X14K5
SDWC-54C-12X15
SDWC-54C-12X15K5
SDWC-54C-12X15K6
SDWC-54C-12X15.875
SDWC-54C-12X15.875K5
SDWC-54C-12X16
SDWC-54C-12X16K5
SDWC-54C-12X16K6
SDWC-54C-12X17
SDWC-54C-12X17K5
SDWC-54C-12X17K6
SDWC-54C-12X18
SDWC-54C-12X18K6
SDWC-54C-12X18K7
SDWC-54C-12X18K8
SDWC-54C-12X19
SDWC-54C-12X19K6
SDWC-54C-12X19K7
SDWC-54C-12X19K8
SDWC-54C-12X20
SDWC-54C-12X20K6
SDWC-54C-12X20K7
SDWC-54C-12X20K8
SDWC-54C-12X24
SDWC-54C-12X24K7
SDWC-54C-12X24K8
SDWC-54C-12X24K9
SDWC-54C-12X25
SDWC-54C-12X25K7
SDWC-54C-12X25K8
SDWC-54C-12X25K9
SDWC-54C-12X25K10
SDWC-54C-12.7K5X12.7
SDWC-54C-12.7K5X12.7K5
SDWC-54C-12.7K5X14
SDWC-54C-12.7K5X14K5
SDWC-54C-12.7K5X15
SDWC-54C-12.7K5X15K5
SDWC-54C-12.7K5X15K6
SDWC-54C-12.7K5X15.875
SDWC-54C-12.7K5X15.875K5
SDWC-54C-12.7K5X16
SDWC-54C-12.7K5X16K5
SDWC-54C-12.7K5X16K6
SDWC-54C-12.7K5X17
SDWC-54C-12.7K5X17K5
SDWC-54C-12.7K5X17K6
SDWC-54C-12.7K5X18
SDWC-54C-12.7K5X18K6
SDWC-54C-12.7K5X18K7
SDWC-54C-12.7K5X18K8
SDWC-54C-12.7K5X19
SDWC-54C-12.7K5X19K6
SDWC-54C-12.7K5X19K7
SDWC-54C-12.7K5X19K8
SDWC-54C-12.7K5X20
SDWC-54C-12.7K5X20K6
SDWC-54C-12.7K5X20K7
SDWC-54C-12.7K5X20K8
SDWC-54C-12.7K5X24
SDWC-54C-12.7K5X24K7
SDWC-54C-12.7K5X24K8
SDWC-54C-12.7K5X24K9
SDWC-54C-12.7K5X25
SDWC-54C-12.7K5X25K7
SDWC-54C-12.7K5X25K8
SDWC-54C-12.7K5X25K9
SDWC-54C-12.7K5X25K10
SDWC-54C-12.7X12.7
SDWC-54C-12.7X12.7K5
SDWC-54C-12.7X14
SDWC-54C-12.7X14K5
SDWC-54C-12.7X15
SDWC-54C-12.7X15K5
SDWC-54C-12.7X15K6
SDWC-54C-12.7X15.875
SDWC-54C-12.7X15.875K5
SDWC-54C-12.7X16
SDWC-54C-12.7X16K5
SDWC-54C-12.7X16K6
SDWC-54C-12.7X17

Standard Unit Price	Minimum order quantity	Days to Ship	RoHS	Shaft Hole Dia.(Already processed) d1 (Ø)	Shaft Hole Dia.(Already processed) d2 (Ø)	Outer Diameter D (Ø)	Full length L (mm)	Rated torque range (N•m)	Features	Rated Torque (N•m)	Allowable Lateral Misalignment (mm)	Max. Rotational Speed (r/min)	Buffer Material	Allowable Axial Clearance (±) (mm)	Moment of Inertia (kg・m2)	With or without Keyway	d1 Keyway symbol	d1keyway width b1 (mm)	d1Keyway height t1 (mm)	d2 Keyway symbol	d2 keyway width b2 (mm)	d2 keyway height t2 (mm)
MYR 254.99	1 Piece(s)	10 Day(s) or more	10	12	25	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	With Keyway	K5	5	2.3	K9	9	3.3
MYR 259.32	1 Piece(s)	10 Day(s) or more	10	12	25	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	Both sides keyway	K5	5	2.3	K10	10	3.3
MYR 233.40	1 Piece(s)	9 Day(s) or more	10	12	12	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	No Keyway	-	-	-	-	-	-
MYR 242.07	1 Piece(s)	10 Day(s) or more	10	12	12	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	-	-	-	K4	4	1.8
MYR 242.07	1 Piece(s)	10 Day(s) or more	10	12	12	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	-	-	-	K5	5	2.3
MYR 233.40	1 Piece(s)	9 Day(s) or more	10	12	12.7	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	No Keyway	-	-	-	-	-	-
MYR 242.07	1 Piece(s)	10 Day(s) or more	10	12	12.7	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	-	-	-	K5	5	2.3
MYR 233.40	1 Piece(s)	9 Day(s) or more	10	12	14	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	No Keyway	-	-	-	-	-	-
MYR 242.07	1 Piece(s)	10 Day(s) or more	10	12	14	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	-	-	-	K5	5	2.3
MYR 233.40	1 Piece(s)	9 Day(s) or more	10	12	15	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	No Keyway	-	-	-	-	-	-
MYR 242.07	1 Piece(s)	10 Day(s) or more	10	12	15	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	-	-	-	K5	5	2.3
MYR 246.38	1 Piece(s)	10 Day(s) or more	10	12	15	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	-	-	-	K6	6	2.8
MYR 233.40	1 Piece(s)	9 Day(s) or more	10	12	15.875	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	No Keyway	-	-	-	-	-	-
MYR 242.07	1 Piece(s)	10 Day(s) or more	10	12	15.875	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	-	-	-	K5	5	2.3
MYR 233.40	1 Piece(s)	9 Day(s) or more	10	12	16	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	No Keyway	-	-	-	-	-	-
MYR 242.07	1 Piece(s)	10 Day(s) or more	10	12	16	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	-	-	-	K5	5	2.3
MYR 246.38	1 Piece(s)	10 Day(s) or more	10	12	16	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	-	-	-	K6	6	2.8
MYR 233.40	1 Piece(s)	9 Day(s) or more	10	12	17	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	No Keyway	-	-	-	-	-	-
MYR 242.07	1 Piece(s)	10 Day(s) or more	10	12	17	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	-	-	-	K5	5	2.3
MYR 246.38	1 Piece(s)	10 Day(s) or more	10	12	17	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	-	-	-	K6	6	2.8
MYR 233.40	1 Piece(s)	9 Day(s) or more	10	12	18	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	No Keyway	-	-	-	-	-	-
MYR 246.38	1 Piece(s)	10 Day(s) or more	10	12	18	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	-	-	-	K6	6	2.8
MYR 246.38	1 Piece(s)	10 Day(s) or more	10	12	18	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	-	-	-	K7	7	3
MYR 246.38	1 Piece(s)	10 Day(s) or more	10	12	18	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	-	-	-	K8	8	3.3
MYR 233.40	1 Piece(s)	9 Day(s) or more	10	12	19	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	No Keyway	-	-	-	-	-	-
MYR 246.38	1 Piece(s)	10 Day(s) or more	10	12	19	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	-	-	-	K6	6	2.8
MYR 246.38	1 Piece(s)	10 Day(s) or more	10	12	19	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	-	-	-	K7	7	3
MYR 246.38	1 Piece(s)	10 Day(s) or more	10	12	19	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	-	-	-	K8	8	3.3
MYR 233.40	1 Piece(s)	9 Day(s) or more	10	12	20	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	No Keyway	-	-	-	-	-	-
MYR 246.38	1 Piece(s)	10 Day(s) or more	10	12	20	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	-	-	-	K6	6	2.8
MYR 246.38	1 Piece(s)	10 Day(s) or more	10	12	20	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	-	-	-	K7	7	3
MYR 246.38	1 Piece(s)	10 Day(s) or more	10	12	20	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	-	-	-	K8	8	3.3
MYR 233.40	1 Piece(s)	6 Day(s) or more	10	12	24	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	No Keyway	-	-	-	-	-	-
MYR 246.38	1 Piece(s)	10 Day(s) or more	10	12	24	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	-	-	-	K7	7	3
MYR 246.38	1 Piece(s)	10 Day(s) or more	10	12	24	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	-	-	-	K8	8	3.3
MYR 246.38	1 Piece(s)	10 Day(s) or more	10	12	24	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	-	-	-	K9	9	3.3
MYR 233.40	1 Piece(s)	9 Day(s) or more	10	12	25	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	No Keyway	-	-	-	-	-	-
MYR 246.38	1 Piece(s)	10 Day(s) or more	10	12	25	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	-	-	-	K7	7	3
MYR 246.38	1 Piece(s)	10 Day(s) or more	10	12	25	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	-	-	-	K8	8	3.3
MYR 246.38	1 Piece(s)	10 Day(s) or more	10	12	25	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	-	-	-	K9	9	3.3
MYR 250.71	1 Piece(s)	10 Day(s) or more	10	12	25	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	-	-	-	K10	10	3.3
MYR 242.07	1 Piece(s)	10 Day(s) or more	10	12.7	12.7	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	K5	5	2.3	-	-	-
MYR 250.71	1 Piece(s)	10 Day(s) or more	10	12.7	12.7	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	Both sides keyway	K5	5	2.3	K5	5	2.3
MYR 242.07	1 Piece(s)	10 Day(s) or more	10	12.7	14	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	K5	5	2.3	-	-	-
MYR 250.71	1 Piece(s)	10 Day(s) or more	10	12.7	14	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	Both sides keyway	K5	5	2.3	K5	5	2.3
MYR 242.07	1 Piece(s)	10 Day(s) or more	10	12.7	15	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	K5	5	2.3	-	-	-
MYR 250.71	1 Piece(s)	10 Day(s) or more	10	12.7	15	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	Both sides keyway	K5	5	2.3	K5	5	2.3
MYR 254.99	1 Piece(s)	10 Day(s) or more	10	12.7	15	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	Both sides keyway	K5	5	2.3	K6	6	2.8
MYR 242.07	1 Piece(s)	10 Day(s) or more	10	12.7	15.875	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	K5	5	2.3	-	-	-
MYR 250.71	1 Piece(s)	10 Day(s) or more	10	12.7	15.875	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	With Keyway	K5	5	2.3	K5	5	2.3
MYR 242.07	1 Piece(s)	10 Day(s) or more	10	12.7	16	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	K5	5	2.3	-	-	-
MYR 250.71	1 Piece(s)	10 Day(s) or more	10	12.7	16	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	Both sides keyway	K5	5	2.3	K5	5	2.3
MYR 254.99	1 Piece(s)	10 Day(s) or more	10	12.7	16	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	Both sides keyway	K5	5	2.3	K6	6	2.8
MYR 242.07	1 Piece(s)	10 Day(s) or more	10	12.7	17	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	K5	5	2.3	-	-	-
MYR 250.71	1 Piece(s)	10 Day(s) or more	10	12.7	17	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	With Keyway	K5	5	2.3	K5	5	2.3
MYR 254.99	1 Piece(s)	10 Day(s) or more	10	12.7	17	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	With Keyway	K5	5	2.3	K6	6	2.8
MYR 242.07	1 Piece(s)	10 Day(s) or more	10	12.7	18	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	K5	5	2.3	-	-	-
MYR 254.99	1 Piece(s)	10 Day(s) or more	10	12.7	18	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	Both sides keyway	K5	5	2.3	K6	6	2.8
MYR 254.99	1 Piece(s)	10 Day(s) or more	10	12.7	18	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	Both sides keyway	K5	5	2.3	K7	7	3
MYR 254.99	1 Piece(s)	10 Day(s) or more	10	12.7	18	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	Both sides keyway	K5	5	2.3	K8	8	3.3
MYR 242.07	1 Piece(s)	10 Day(s) or more	10	12.7	19	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	K5	5	2.3	-	-	-
MYR 254.99	1 Piece(s)	10 Day(s) or more	10	12.7	19	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	Both sides keyway	K5	5	2.3	K6	6	2.8
MYR 254.99	1 Piece(s)	10 Day(s) or more	10	12.7	19	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	Both sides keyway	K5	5	2.3	K7	7	3
MYR 254.99	1 Piece(s)	10 Day(s) or more	10	12.7	19	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	Both sides keyway	K5	5	2.3	K8	8	3.3
MYR 242.07	1 Piece(s)	10 Day(s) or more	10	12.7	20	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	K5	5	2.3	-	-	-
MYR 254.99	1 Piece(s)	10 Day(s) or more	10	12.7	20	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	Both sides keyway	K5	5	2.3	K6	6	2.8
MYR 254.99	1 Piece(s)	10 Day(s) or more	10	12.7	20	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	Both sides keyway	K5	5	2.3	K7	7	3
MYR 254.99	1 Piece(s)	10 Day(s) or more	10	12.7	20	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	Both sides keyway	K5	5	2.3	K8	8	3.3
MYR 242.07	1 Piece(s)	10 Day(s) or more	10	12.7	24	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	K5	5	2.3	-	-	-
MYR 254.99	1 Piece(s)	10 Day(s) or more	10	12.7	24	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	Both sides keyway	K5	5	2.3	K7	7	3
MYR 254.99	1 Piece(s)	10 Day(s) or more	10	12.7	24	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	Both sides keyway	K5	5	2.3	K8	8	3.3
MYR 254.99	1 Piece(s)	10 Day(s) or more	10	12.7	24	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	With Keyway	K5	5	2.3	K9	9	3.3
MYR 242.07	1 Piece(s)	10 Day(s) or more	10	12.7	25	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	K5	5	2.3	-	-	-
MYR 254.99	1 Piece(s)	10 Day(s) or more	10	12.7	25	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	Both sides keyway	K5	5	2.3	K7	7	3
MYR 254.99	1 Piece(s)	10 Day(s) or more	10	12.7	25	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	Both sides keyway	K5	5	2.3	K8	8	3.3
MYR 254.99	1 Piece(s)	10 Day(s) or more	10	12.7	25	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	With Keyway	K5	5	2.3	K9	9	3.3
MYR 259.32	1 Piece(s)	10 Day(s) or more	10	12.7	25	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	Both sides keyway	K5	5	2.3	K10	10	3.3
MYR 233.40	1 Piece(s)	9 Day(s) or more	10	12.7	12.7	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	No Keyway	-	-	-	-	-	-
MYR 242.07	1 Piece(s)	10 Day(s) or more	10	12.7	12.7	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	-	-	-	K5	5	2.3
MYR 233.40	1 Piece(s)	9 Day(s) or more	10	12.7	14	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	No Keyway	-	-	-	-	-	-
MYR 242.07	1 Piece(s)	10 Day(s) or more	10	12.7	14	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	-	-	-	K5	5	2.3
MYR 233.40	1 Piece(s)	9 Day(s) or more	10	12.7	15	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	No Keyway	-	-	-	-	-	-
MYR 242.07	1 Piece(s)	10 Day(s) or more	10	12.7	15	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	-	-	-	K5	5	2.3
MYR 246.38	1 Piece(s)	10 Day(s) or more	10	12.7	15	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	-	-	-	K6	6	2.8
MYR 233.40	1 Piece(s)	9 Day(s) or more	10	12.7	15.875	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	No Keyway	-	-	-	-	-	-
MYR 242.07	1 Piece(s)	10 Day(s) or more	10	12.7	15.875	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	-	-	-	K5	5	2.3
MYR 233.40	1 Piece(s)	9 Day(s) or more	10	12.7	16	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	No Keyway	-	-	-	-	-	-
MYR 242.07	1 Piece(s)	10 Day(s) or more	10	12.7	16	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	-	-	-	K5	5	2.3
MYR 246.38	1 Piece(s)	10 Day(s) or more	10	12.7	16	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	One Side Key Way	-	-	-	K6	6	2.8
MYR 233.40	1 Piece(s)	9 Day(s) or more	10	12.7	17	54	58.6	20.01~50.00	High accuracy / Backlash 0 / Small / Heat Resistant	22	0.2	7500	[Others] Others	0.5	1.2X10^-4	No Keyway	-	-	-	-	-	-

Basic Information

Type	Disc Type	Application	Servo Motor / Stepping Motor	Allowable Misalignment	Angular Misalignment / Eccentricity / Axial Misalignment
Max. Rotational Speed Range(r/min)	4001~10000	Body Material	Aluminum	Allowable Angular Misalignment(deg)	1.5
Product Category	Coupling body	Allowable Lateral Misalignment Range(mm)	0.02~0.2	Disc Material	Stainless Steel
Operating Temperature Range(°C)	-50::200

Configure

4,353 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Shaft Hole Dia.(Already processed) d1(Ø)
5

6

6.35

7

8

9

9.525

10

11

12

12.7

14

15

15.875

16

17

18

19

20

24

25
Clear
Shaft Hole Dia.(Already processed) d2(Ø)
5

6

6.35

7

8

9

9.525

10

11

12

12.7

14

15

15.875

16

17

18

19

20

24

25
Clear
Outer Diameter D(Ø)
39

42.5

47

54
Clear
Full length L(mm)
45

46.2

50

58.6
Clear
Rated torque range(N•m)
3.01~5.00

5.01~10.00

20.01~50.00
Clear
Features
High accuracy

Backlash 0

Small

Heat Resistant
Clear
Rated Torque(N•m)
5

6

10

22
Clear
Allowable Lateral Misalignment(mm)
0.18

0.2
Clear
Max. Rotational Speed(r/min)
7500

8000
Clear
Buffer Material
- Aluminum
- Others
  - Others
Clear
With or without Keyway
- Both sides keyway
- No Keyway
- One Side Key Way
- With Keyway
Clear
d1 Keyway symbol
K2

K3

K4

K5

K6

K7

K8

K9

K10
Clear
d1keyway width b1(mm)
2

3

4

5

6

7

8

9

10
Clear
d1Keyway height t1(mm)
1

1.4

1.8

2.3

2.8

3

3.3
Clear
d2 Keyway symbol
K2

K3

K4

K5

K6

K7

K8

K9

K10
Clear
d2 keyway width b2(mm)
2

3

4

5

6

7

8

9

10
Clear
d2 keyway height t2(mm)
1

1.4

1.8

2.3

2.8

3

3.3
Clear
type
- SDWC-39C
- SDWC-42C
- SDWC-47C
- SDWC-54C
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

4 Day(s) or Less

6 Day(s) or Less

9 Day(s) or Less

10 Day(s) or Less

15 Day(s) or Less

16 Day(s) or Less
Clear

Specify Alterations

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

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Disc Coupling Clamping Type (Double Disc) SDWC (Part Numbers)

Basic Information

Configure

Specification/Dimensions

Shaft Hole Dia.(Already processed) d1(Ø)

Shaft Hole Dia.(Already processed) d2(Ø)

Outer Diameter D(Ø)

Full length L(mm)

Rated torque range(N•m)

Features

Rated Torque(N•m)

Allowable Lateral Misalignment(mm)

Max. Rotational Speed(r/min)

Buffer Material

With or without Keyway

d1 Keyway symbol

d1keyway width b1(mm)

d1Keyway height t1(mm)

d2 Keyway symbol

d2 keyway width b2(mm)

d2 keyway height t2(mm)

type

CAD

Days to Ship

Specify Alterations

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