Claw couplings / hub clamping, feather key / claw disc: POM, PU, polyester elastomer / body: aluminium / SJC / SUNGIL (Part Numbers - CAD Download)

Promotional pricing ends 31/12/2024

Brand-name products provided by MISUMI-VONA are offered based on customers' needs that selected from products of Asian manufacturers carefully. Please select an item according to the user's various usage scenes. A Korean manufacturer established in 1991. Korean coupling market share is 70%, with over 3,000 customers. No1 maker. Rich selection, and short lead-times.

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Part Number
SJC-55C-RD-18K7X25
SJC-55C-RD-18K7X25K7
SJC-55C-RD-18K7X25K8
SJC-55C-RD-18K7X25K9
SJC-55C-RD-18K7X25K10
SJC-55C-RD-18K7X26
SJC-55C-RD-18K7X26K8
SJC-55C-RD-18K7X26K10
SJC-55C-RD-18K7X28
SJC-55C-RD-18K7X28K8
SJC-55C-RD-18K7X28K9
SJC-55C-RD-18K7X28K10
SJC-55C-RD-18K8X18
SJC-55C-RD-18K8X18K6
SJC-55C-RD-18K8X18K7
SJC-55C-RD-18K8X18K8
SJC-55C-RD-18K8X19
SJC-55C-RD-18K8X19K6
SJC-55C-RD-18K8X19K7
SJC-55C-RD-18K8X19K8
SJC-55C-RD-18K8X20
SJC-55C-RD-18K8X20K6
SJC-55C-RD-18K8X20K7
SJC-55C-RD-18K8X20K8
SJC-55C-RD-18K8X22
SJC-55C-RD-18K8X22K6
SJC-55C-RD-18K8X22K7
SJC-55C-RD-18K8X22K8
SJC-55C-RD-18K8X24
SJC-55C-RD-18K8X24K7
SJC-55C-RD-18K8X24K8
SJC-55C-RD-18K8X24K9
SJC-55C-RD-18K8X25
SJC-55C-RD-18K8X25K7
SJC-55C-RD-18K8X25K8
SJC-55C-RD-18K8X25K9
SJC-55C-RD-18K8X25K10
SJC-55C-RD-18K8X26
SJC-55C-RD-18K8X26K8
SJC-55C-RD-18K8X26K10
SJC-55C-RD-18K8X28
SJC-55C-RD-18K8X28K8
SJC-55C-RD-18K8X28K9
SJC-55C-RD-18K8X28K10
SJC-55C-RD-18X18
SJC-55C-RD-18X18K6
SJC-55C-RD-18X18K7
SJC-55C-RD-18X18K8
SJC-55C-RD-18X19
SJC-55C-RD-18X19K6
SJC-55C-RD-18X19K7
SJC-55C-RD-18X19K8
SJC-55C-RD-18X20
SJC-55C-RD-18X20K6
SJC-55C-RD-18X20K7
SJC-55C-RD-18X20K8
SJC-55C-RD-18X22
SJC-55C-RD-18X22K6
SJC-55C-RD-18X22K7
SJC-55C-RD-18X22K8

Standard Unit Price	Minimum order quantity	Standard Shipping Days ?	RoHS	Rated torque range (N•m)	Shaft Hole Dia.(Already processed) D1 (mm)	Shaft Hole Dia.(Already processed) D2 (mm)	Outer Diameter D (mm)	Overall Length L (mm)	Max. Rotational Speed Range (r/min)	Feature	Rated Torque (Nm)	Max. Rotational Speed (r/min)	Allowable Lateral Misalignment (mm)	Buffer Part Material	Disc Part Material	Operating Temperature Range (°C)	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)
51.91 €	1	10 Days	10	50.01 to 100.00	18	25	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	One Side Key Way	K7	7	3	-	-	-
57.35 €	1	10 Days	10	50.01 to 100.00	18	25	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	Both sides keyway	K7	7	3	K7	7	3
57.35 €	1	10 Days	10	50.01 to 100.00	18	25	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	Both sides keyway	K7	7	3	K8	8	3.3
57.35 €	1	10 Days	10	50.01 to 100.00	18	25	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	Polyacetal	Aluminum	-20～120	±1.40	1.6X10^-4	With Keyway	K7	7	3	K9	9	3.3
57.35 €	1	10 Days	10	50.01 to 100.00	18	25	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	Both sides keyway	K7	7	3	K10	10	3.3
51.91 €	1	10 Days	10	50.01 to 100.00	18	26	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	One Side Key Way	K7	7	3	-	-	-
57.35 €	1	10 Days	10	50.01 to 100.00	18	26	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	Both sides keyway	K7	7	3	K8	8	3.3
57.35 €	1	10 Days	10	50.01 to 100.00	18	26	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	Both sides keyway	K7	7	3	K10	10	3.3
51.91 €	1	10 Days	10	50.01 to 100.00	18	28	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	One Side Key Way	K7	7	3	-	-	-
57.35 €	1	10 Days	10	50.01 to 100.00	18	28	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	Both sides keyway	K7	7	3	K8	8	3.3
57.35 €	1	10 Days	10	50.01 to 100.00	18	28	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	Polyacetal	Aluminum	-20～120	±1.40	1.6X10^-4	With Keyway	K7	7	3	K9	9	3.3
57.35 €	1	10 Days	10	50.01 to 100.00	18	28	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	Both sides keyway	K7	7	3	K10	10	3.3
51.91 €	1	10 Days	10	50.01 to 100.00	18	18	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	One Side Key Way	K8	8	3.3	-	-	-
57.35 €	1	10 Days	10	50.01 to 100.00	18	18	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	Both sides keyway	K8	8	3.3	K6	6	2.8
57.35 €	1	10 Days	10	50.01 to 100.00	18	18	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	Both sides keyway	K8	8	3.3	K7	7	3
57.35 €	1	10 Days	10	50.01 to 100.00	18	18	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	Both sides keyway	K8	8	3.3	K8	8	3.3
51.91 €	1	10 Days	10	50.01 to 100.00	18	19	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	One Side Key Way	K8	8	3.3	-	-	-
57.35 €	1	10 Days	10	50.01 to 100.00	18	19	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	Both sides keyway	K8	8	3.3	K6	6	2.8
57.35 €	1	10 Days	10	50.01 to 100.00	18	19	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	Both sides keyway	K8	8	3.3	K7	7	3
57.35 €	1	10 Days	10	50.01 to 100.00	18	19	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	Both sides keyway	K8	8	3.3	K8	8	3.3
51.91 €	1	10 Days	10	50.01 to 100.00	18	20	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	One Side Key Way	K8	8	3.3	-	-	-
57.35 €	1	10 Days	10	50.01 to 100.00	18	20	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	Both sides keyway	K8	8	3.3	K6	6	2.8
57.35 €	1	10 Days	10	50.01 to 100.00	18	20	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	Both sides keyway	K8	8	3.3	K7	7	3
57.35 €	1	10 Days	10	50.01 to 100.00	18	20	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	Both sides keyway	K8	8	3.3	K8	8	3.3
51.91 €	1	10 Days	10	50.01 to 100.00	18	22	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	One Side Key Way	K8	8	3.3	-	-	-
57.35 €	1	10 Days	10	50.01 to 100.00	18	22	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	Both sides keyway	K8	8	3.3	K6	6	2.8
57.35 €	1	10 Days	10	50.01 to 100.00	18	22	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	Both sides keyway	K8	8	3.3	K7	7	3
57.35 €	1	10 Days	10	50.01 to 100.00	18	22	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	Both sides keyway	K8	8	3.3	K8	8	3.3
51.91 €	1	10 Days	10	50.01 to 100.00	18	24	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	One Side Key Way	K8	8	3.3	-	-	-
57.35 €	1	10 Days	10	50.01 to 100.00	18	24	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	Both sides keyway	K8	8	3.3	K7	7	3
57.35 €	1	10 Days	10	50.01 to 100.00	18	24	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	Both sides keyway	K8	8	3.3	K8	8	3.3
57.35 €	1	10 Days	10	50.01 to 100.00	18	24	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	Polyacetal	Aluminum	-20～120	±1.40	1.6X10^-4	With Keyway	K8	8	3.3	K9	9	3.3
51.91 €	1	10 Days	10	50.01 to 100.00	18	25	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	One Side Key Way	K8	8	3.3	-	-	-
57.35 €	1	10 Days	10	50.01 to 100.00	18	25	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	Both sides keyway	K8	8	3.3	K7	7	3
57.35 €	1	10 Days	10	50.01 to 100.00	18	25	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	Both sides keyway	K8	8	3.3	K8	8	3.3
57.35 €	1	10 Days	10	50.01 to 100.00	18	25	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	Polyacetal	Aluminum	-20～120	±1.40	1.6X10^-4	With Keyway	K8	8	3.3	K9	9	3.3
57.35 €	1	10 Days	10	50.01 to 100.00	18	25	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	Both sides keyway	K8	8	3.3	K10	10	3.3
51.91 €	1	10 Days	10	50.01 to 100.00	18	26	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	One Side Key Way	K8	8	3.3	-	-	-
57.35 €	1	10 Days	10	50.01 to 100.00	18	26	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	Both sides keyway	K8	8	3.3	K8	8	3.3
57.35 €	1	10 Days	10	50.01 to 100.00	18	26	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	Both sides keyway	K8	8	3.3	K10	10	3.3
51.91 €	1	10 Days	10	50.01 to 100.00	18	28	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	One Side Key Way	K8	8	3.3	-	-	-
57.35 €	1	10 Days	10	50.01 to 100.00	18	28	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	Both sides keyway	K8	8	3.3	K8	8	3.3
57.35 €	1	10 Days	10	50.01 to 100.00	18	28	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	Polyacetal	Aluminum	-20～120	±1.40	1.6X10^-4	With Keyway	K8	8	3.3	K9	9	3.3
57.35 €	1	10 Days	10	50.01 to 100.00	18	28	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	Both sides keyway	K8	8	3.3	K10	10	3.3
48.29 €	1	9 Days	10	50.01 to 100.00	18	18	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	No Keyway	-	-	-	-	-	-
51.91 €	1	10 Days	10	50.01 to 100.00	18	18	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	One Side Key Way	-	-	-	K6	6	2.8
51.91 €	1	10 Days	10	50.01 to 100.00	18	18	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	One Side Key Way	-	-	-	K7	7	3
51.91 €	1	10 Days	10	50.01 to 100.00	18	18	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	One Side Key Way	-	-	-	K8	8	3.3
48.29 €	1	9 Days	10	50.01 to 100.00	18	19	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	No Keyway	-	-	-	-	-	-
51.91 €	1	10 Days	10	50.01 to 100.00	18	19	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	One Side Key Way	-	-	-	K6	6	2.8
51.91 €	1	10 Days	10	50.01 to 100.00	18	19	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	One Side Key Way	-	-	-	K7	7	3
51.91 €	1	10 Days	10	50.01 to 100.00	18	19	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	One Side Key Way	-	-	-	K8	8	3.3
48.29 €	1	9 Days	10	50.01 to 100.00	18	20	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	No Keyway	-	-	-	-	-	-
51.91 €	1	10 Days	10	50.01 to 100.00	18	20	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	One Side Key Way	-	-	-	K6	6	2.8
51.91 €	1	10 Days	10	50.01 to 100.00	18	20	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	One Side Key Way	-	-	-	K7	7	3
51.91 €	1	10 Days	10	50.01 to 100.00	18	20	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	One Side Key Way	-	-	-	K8	8	3.3
48.29 €	1	10 Days	10	50.01 to 100.00	18	22	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	No Keyway	-	-	-	-	-	-
51.91 €	1	10 Days	10	50.01 to 100.00	18	22	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	One Side Key Way	-	-	-	K6	6	2.8
51.91 €	1	10 Days	10	50.01 to 100.00	18	22	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	One Side Key Way	-	-	-	K7	7	3
51.91 €	1	10 Days	10	50.01 to 100.00	18	22	55	78.3	4,001 to 10,000	High torsional rigidity / Backlash 0 / Vibration Absorption	60	6500	0.06	[Polyurethane] Polyurethane Elastomer	Aluminum	-20～120	1.4	1.6X10^-4	One Side Key Way	-	-	-	K8	8	3.3

Basic information

Type	Jaw Type	Allowable Misalignment	Angular Misalignment / Eccentricity / Axial Misalignment	Application	Servo Motor
Body Material	Aluminum	Category	Coupling body	Allowable Lateral Misalignment Range(mm)	0.02 to 0.2
Allowable Angular Misalignment(deg)	1

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Basic Attributes

Shaft Hole Dia.(Already processed) D1(mm)
3

4

4.5

5

6

6.35

7

8

9.525

10

11

12

14

15

16

18

19

20

22

24

25

26

28

30

32

35

40

45

50

60
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Shaft Hole Dia.(Already processed) D2(mm)
3

4

4.5

5

6

6.35

7

8

9.525

10

11

12

14

15

16

18

19

20

22

24

25

26

28

30

32

35

40

45

50

60
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Outer Diameter D(mm)
14

20

25

30

40

55

65

80

104
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Overall Length L(mm)
22

30

31.3

35.3

44.7

55

66

78.3

90.3

114.2

140.2
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Max. Rotational Speed Range(r/min)
2001 to 4,000

4,001 to 10,000

10,001 to 78,000
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Feature
High torsional rigidity

Backlash 0

Vibration Absorption

Small
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Rated Torque(Nm)
1.2

2

3

5

7.5

9

10

12.5

17

35

60

95

160

190

300

320

600
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Max. Rotational Speed(r/min)
3500

4500

5500

6500

8500

10000

13000

15000

22000
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Allowable Lateral Misalignment(mm)
0.03

0.04

0.05

0.06

0.07

0.08

0.09

0.1

0.15
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Buffer Part Material
- Polyacetal
- Polyurethane
  - Polyurethane Elastomer
- Others
  - Polyester Elastomer
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Disc Part Material
- Aluminum
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With or without Keyway
- Both sides keyway
- No Keyway
- One Side Key Way
- With Keyway
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d1 Keyway symbol
K2

K3

K4

K5

K6

K7

K8

K9

K10

K12

K14

K16

K18
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d1keyway width b1(mm)
2

3

4

5

6

7

8

9

10

12

14

16

18
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d1Keyway height t1(mm)
1

1.4

1.8

2.3

2.8

3

3.3

3.8

4.3

4.4
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d2 Keyway symbol
K2

K3

K4

K5

K6

K7

K8

K9

K10

K12

K14

K16

K18
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d2 keyway width b2(mm)
2

3

4

5

6

7

8

9

10

12

14

16

18
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d2 keyway height t2(mm)
1

1.4

1.8

2.3

2.8

3

3.3

3.8

4.3

4.4
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Type
- SJC-100C
- SJC-14C
- SJC-20C
- SJC-25C
- SJC-55C
- SJC-65C
- SJC-80C
- SJCA-30C
- SJCA-40C
- SJCB-30C
- SJCB-40C
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Rated torque range(N•m)
1.01 to 3.00

3.01 to 5.00

5.01 to 10.00

10.01 to 20.00

20.01 to 50.00

50.01 to 100.00

100～Less than 500
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