Slit couplings / hub clamping, feather key / cross slot / body: aluminium / SRBA / SUNGIL (Part Numbers - CAD Download)

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Clamping type slit coupling that has a low moment of inertia and is stable even at high rotations.
[Features]
・ Spring with 0 backlash and radial beam absorbs eccentricity, declination, and end play.
·It has high torsional rigidity and torque tolerance, as well as high oil and chemical resistance.
·A long type, identical forward/reverse rotation characteristics, no need for repair.
[Applications]
・ Optimal for serial drive of transmission equipment, position control / positioning table, robot system, boring, and polishing machine.
·Can be used for machining centers (machine tools), medical equipment, servo motors, speed reducers, etc.

Part Number

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Part Number
SRBA-39C-15X18K8
SRBA-39C-15X19
SRBA-39C-15X19K6
SRBA-39C-15X19K7
SRBA-39C-15X19K8
SRBA-39C-16K5X16
SRBA-39C-16K5X16K5
SRBA-39C-16K5X16K6
SRBA-39C-16K5X18
SRBA-39C-16K5X18K6
SRBA-39C-16K5X18K7
SRBA-39C-16K5X18K8
SRBA-39C-16K5X19
SRBA-39C-16K5X19K6
SRBA-39C-16K5X19K7
SRBA-39C-16K5X19K8
SRBA-39C-16K6X16
SRBA-39C-16K6X16K5
SRBA-39C-16K6X16K6
SRBA-39C-16K6X18
SRBA-39C-16K6X18K6
SRBA-39C-16K6X18K7
SRBA-39C-16K6X18K8
SRBA-39C-16K6X19
SRBA-39C-16K6X19K6
SRBA-39C-16K6X19K7
SRBA-39C-16K6X19K8
SRBA-39C-16X16
SRBA-39C-16X16K5
SRBA-39C-16X16K6
SRBA-39C-16X18
SRBA-39C-16X18K6
SRBA-39C-16X18K7
SRBA-39C-16X18K8
SRBA-39C-16X19
SRBA-39C-16X19K6
SRBA-39C-16X19K7
SRBA-39C-16X19K8
SRBA-39C-18K6X18
SRBA-39C-18K6X18K6
SRBA-39C-18K6X18K7
SRBA-39C-18K6X18K8
SRBA-39C-18K6X19
SRBA-39C-18K6X19K6
SRBA-39C-18K6X19K7
SRBA-39C-18K6X19K8
SRBA-39C-18K7X18
SRBA-39C-18K7X18K6
SRBA-39C-18K7X18K7
SRBA-39C-18K7X18K8
SRBA-39C-18K7X19
SRBA-39C-18K7X19K6
SRBA-39C-18K7X19K7
SRBA-39C-18K7X19K8
SRBA-39C-18K8X18
SRBA-39C-18K8X18K6
SRBA-39C-18K8X18K7
SRBA-39C-18K8X18K8
SRBA-39C-18K8X19
SRBA-39C-18K8X19K6

Standard Unit Price	Minimum order quantity	Standard Shipping Days ?	RoHS	Allowable Torque Range (N•m)	Shaft Bore Dia. (machined) D1 (mm)	Shaft Bore Dia. (machined) D2 (mm)	Outer Dia. A (mm)	Overall Length W (mm)	Max. Rotational Speed Range (r/min)	Feature	Allowable Torque (Nm)	Max. Rotational Speed (r/min)	Allowable Lateral Misalignment Range (mm)	Allowable Lateral Misalignment (mm)	Buffer Part 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)
48.85 €	1	12 Days	10	5.01 to 10.00	15	18	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	One Side Key Way	-	-	-	K8	8	3.3
45.22 €	1	11 Days	10	5.01 to 10.00	15	19	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	No Keyway	-	-	-	-	-	-
48.85 €	1	12 Days	10	5.01 to 10.00	15	19	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	One Side Key Way	-	-	-	K6	6	2.8
48.85 €	1	12 Days	10	5.01 to 10.00	15	19	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	One Side Key Way	-	-	-	K7	7	3
48.85 €	1	12 Days	10	5.01 to 10.00	15	19	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	One Side Key Way	-	-	-	K8	8	3.3
47.93 €	1	12 Days	10	5.01 to 10.00	16	16	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	One Side Key Way	K5	5	2.3	-	-	-
50.65 €	1	12 Days	10	5.01 to 10.00	16	16	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	Both sides keyway	K5	5	2.3	K5	5	2.3
51.56 €	1	12 Days	10	5.01 to 10.00	16	16	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	Both sides keyway	K5	5	2.3	K6	6	2.8
47.93 €	1	12 Days	10	5.01 to 10.00	16	18	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	One Side Key Way	K5	5	2.3	-	-	-
51.56 €	1	12 Days	10	5.01 to 10.00	16	18	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	Both sides keyway	K5	5	2.3	K6	6	2.8
51.56 €	1	12 Days	10	5.01 to 10.00	16	18	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	Both sides keyway	K5	5	2.3	K7	7	3
51.56 €	1	12 Days	10	5.01 to 10.00	16	18	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	Both sides keyway	K5	5	2.3	K8	8	3.3
47.93 €	1	12 Days	10	5.01 to 10.00	16	19	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	One Side Key Way	K5	5	2.3	-	-	-
51.56 €	1	12 Days	10	5.01 to 10.00	16	19	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	Both sides keyway	K5	5	2.3	K6	6	2.8
51.56 €	1	12 Days	10	5.01 to 10.00	16	19	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	Both sides keyway	K5	5	2.3	K7	7	3
51.56 €	1	12 Days	10	5.01 to 10.00	16	19	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	Both sides keyway	K5	5	2.3	K8	8	3.3
48.85 €	1	12 Days	10	5.01 to 10.00	16	16	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	One Side Key Way	K6	6	2.8	-	-	-
51.56 €	1	12 Days	10	5.01 to 10.00	16	16	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	Both sides keyway	K6	6	2.8	K5	5	2.3
52.46 €	1	12 Days	10	5.01 to 10.00	16	16	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	Both sides keyway	K6	6	2.8	K6	6	2.8
48.85 €	1	12 Days	10	5.01 to 10.00	16	18	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	One Side Key Way	K6	6	2.8	-	-	-
52.46 €	1	12 Days	10	5.01 to 10.00	16	18	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	Both sides keyway	K6	6	2.8	K6	6	2.8
52.46 €	1	12 Days	10	5.01 to 10.00	16	18	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	Both sides keyway	K6	6	2.8	K7	7	3
52.46 €	1	12 Days	10	5.01 to 10.00	16	18	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	Both sides keyway	K6	6	2.8	K8	8	3.3
48.85 €	1	12 Days	10	5.01 to 10.00	16	19	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	One Side Key Way	K6	6	2.8	-	-	-
52.46 €	1	12 Days	10	5.01 to 10.00	16	19	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	Both sides keyway	K6	6	2.8	K6	6	2.8
52.46 €	1	12 Days	10	5.01 to 10.00	16	19	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	Both sides keyway	K6	6	2.8	K7	7	3
52.46 €	1	12 Days	10	5.01 to 10.00	16	19	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	Both sides keyway	K6	6	2.8	K8	8	3.3
45.22 €	1	11 Days	10	5.01 to 10.00	16	16	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	No Keyway	-	-	-	-	-	-
47.93 €	1	12 Days	10	5.01 to 10.00	16	16	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	One Side Key Way	-	-	-	K5	5	2.3
48.85 €	1	12 Days	10	5.01 to 10.00	16	16	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	One Side Key Way	-	-	-	K6	6	2.8
45.22 €	1	11 Days	10	5.01 to 10.00	16	18	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	No Keyway	-	-	-	-	-	-
48.85 €	1	12 Days	10	5.01 to 10.00	16	18	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	One Side Key Way	-	-	-	K6	6	2.8
48.85 €	1	12 Days	10	5.01 to 10.00	16	18	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	One Side Key Way	-	-	-	K7	7	3
48.85 €	1	12 Days	10	5.01 to 10.00	16	18	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	One Side Key Way	-	-	-	K8	8	3.3
45.22 €	1	10 Days	10	5.01 to 10.00	16	19	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	No Keyway	-	-	-	-	-	-
48.85 €	1	12 Days	10	5.01 to 10.00	16	19	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	One Side Key Way	-	-	-	K6	6	2.8
48.85 €	1	12 Days	10	5.01 to 10.00	16	19	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	One Side Key Way	-	-	-	K7	7	3
48.85 €	1	12 Days	10	5.01 to 10.00	16	19	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	One Side Key Way	-	-	-	K8	8	3.3
48.85 €	1	12 Days	10	5.01 to 10.00	18	18	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	One Side Key Way	K6	6	2.8	-	-	-
52.46 €	1	12 Days	10	5.01 to 10.00	18	18	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	Both sides keyway	K6	6	2.8	K6	6	2.8
52.46 €	1	12 Days	10	5.01 to 10.00	18	18	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	Both sides keyway	K6	6	2.8	K7	7	3
52.46 €	1	12 Days	10	5.01 to 10.00	18	18	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	Both sides keyway	K6	6	2.8	K8	8	3.3
48.85 €	1	12 Days	10	5.01 to 10.00	18	19	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	One Side Key Way	K6	6	2.8	-	-	-
52.46 €	1	12 Days	10	5.01 to 10.00	18	19	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	Both sides keyway	K6	6	2.8	K6	6	2.8
52.46 €	1	12 Days	10	5.01 to 10.00	18	19	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	Both sides keyway	K6	6	2.8	K7	7	3
52.46 €	1	12 Days	10	5.01 to 10.00	18	19	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	Both sides keyway	K6	6	2.8	K8	8	3.3
48.85 €	1	12 Days	10	5.01 to 10.00	18	18	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	One Side Key Way	K7	7	3	-	-	-
52.46 €	1	12 Days	10	5.01 to 10.00	18	18	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	Both sides keyway	K7	7	3	K6	6	2.8
52.46 €	1	12 Days	10	5.01 to 10.00	18	18	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	Both sides keyway	K7	7	3	K7	7	3
52.46 €	1	12 Days	10	5.01 to 10.00	18	18	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	Both sides keyway	K7	7	3	K8	8	3.3
48.85 €	1	12 Days	10	5.01 to 10.00	18	19	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	One Side Key Way	K7	7	3	-	-	-
52.46 €	1	12 Days	10	5.01 to 10.00	18	19	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	Both sides keyway	K7	7	3	K6	6	2.8
52.46 €	1	12 Days	10	5.01 to 10.00	18	19	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	Both sides keyway	K7	7	3	K7	7	3
52.46 €	1	12 Days	10	5.01 to 10.00	18	19	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	Both sides keyway	K7	7	3	K8	8	3.3
48.85 €	1	12 Days	10	5.01 to 10.00	18	18	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	One Side Key Way	K8	8	3.3	-	-	-
52.46 €	1	12 Days	10	5.01 to 10.00	18	18	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	Both sides keyway	K8	8	3.3	K6	6	2.8
52.46 €	1	12 Days	10	5.01 to 10.00	18	18	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	Both sides keyway	K8	8	3.3	K7	7	3
52.46 €	1	12 Days	10	5.01 to 10.00	18	18	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	Both sides keyway	K8	8	3.3	K8	8	3.3
48.85 €	1	12 Days	10	5.01 to 10.00	18	19	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	One Side Key Way	K8	8	3.3	-	-	-
52.46 €	1	12 Days	10	5.01 to 10.00	18	19	39	43	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	4000	0.21 to 0.40	0.25	Aluminum	±0.4	2.1X10^-5	Both sides keyway	K8	8	3.3	K6	6	2.8

Basic information

Type	Slit type	Application	Stepping Motor	Body Material	Aluminum
Allowable Angular Misalignment(deg)	2.5	Operating Temperature Range(°C)	-50::200

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Basic Attributes

Shaft Bore Dia. (machined) D1(mm)
8

9.525

10

11

12

14

15

16

18

19

20

22

24

25
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Shaft Bore Dia. (machined) D2(mm)
8

9.525

10

11

12

14

15

16

18

19

20

22

24

25
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Outer Dia. A(mm)
31.8

39

49

60
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Overall Length W(mm)
39

43

63.5

76.2
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Max. Rotational Speed Range(r/min)
2001 to 4,000

4,001 to 10,000
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Feature
High torsional rigidity

High Torque

Backlash 0

Low Inertia Moment

Small

Heat Resistant
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Allowable Torque(Nm)
2.6

6.5

13

24
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Max. Rotational Speed(r/min)
2600

3300

4000

5000
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Allowable Lateral Misalignment Range(mm)
0.02 to 0.2

0.21 to 0.40
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Allowable Lateral Misalignment(mm)
0.2

0.25
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Buffer Part Material
- Polyacetal
- Aluminum
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With or without Keyway
- Both sides keyway
- No Keyway
- One Side Key Way
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d1 Keyway symbol
K2

K3

K4

K5

K6

K7

K8

K9

K10
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d1keyway width b1(mm)
2

3

4

5

6

7

8

9

10
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d1Keyway height t1(mm)
1

1.4

1.8

2.3

2.8

3

3.3
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d2 Keyway symbol
K2

K3

K4

K5

K6

K7

K8

K9

K10
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d2 keyway width b2(mm)
2

3

4

5

6

7

8

9

10
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d2 keyway height t2(mm)
1

1.4

1.8

2.3

2.8

3

3.3
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Type
- SRBA-32C
- SRBA-39C
- SRBA-49C
- SRBA-60C
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Allowable Torque Range(N•m)
1.01 to 3.00

5.01 to 10.00

10.01 to 20.00

20.01 to 50.00
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- 3D
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