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

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
SRBB-49C-18K8X20
SRBB-49C-18K8X20K6
SRBB-49C-18K8X20K7
SRBB-49C-18K8X20K8
SRBB-49C-18X18
SRBB-49C-18X18K6
SRBB-49C-18X18K7
SRBB-49C-18X18K8
SRBB-49C-18X19
SRBB-49C-18X19K6
SRBB-49C-18X19K7
SRBB-49C-18X19K8
SRBB-49C-18X20
SRBB-49C-18X20K6
SRBB-49C-18X20K7
SRBB-49C-18X20K8
SRBB-49C-19K6X19
SRBB-49C-19K6X19K6
SRBB-49C-19K6X19K7
SRBB-49C-19K6X19K8
SRBB-49C-19K6X20
SRBB-49C-19K6X20K6
SRBB-49C-19K6X20K7
SRBB-49C-19K6X20K8
SRBB-49C-19K7X19
SRBB-49C-19K7X19K6
SRBB-49C-19K7X19K7
SRBB-49C-19K7X19K8
SRBB-49C-19K7X20
SRBB-49C-19K7X20K6
SRBB-49C-19K7X20K7
SRBB-49C-19K7X20K8
SRBB-49C-19K8X19
SRBB-49C-19K8X19K6
SRBB-49C-19K8X19K7
SRBB-49C-19K8X19K8
SRBB-49C-19K8X20
SRBB-49C-19K8X20K6
SRBB-49C-19K8X20K7
SRBB-49C-19K8X20K8
SRBB-49C-19X19
SRBB-49C-19X19K6
SRBB-49C-19X19K7
SRBB-49C-19X19K8
SRBB-49C-19X20
SRBB-49C-19X20K6
SRBB-49C-19X20K7
SRBB-49C-19X20K8
SRBB-49C-20K6X20
SRBB-49C-20K6X20K6
SRBB-49C-20K6X20K7
SRBB-49C-20K6X20K8
SRBB-49C-20K7X20
SRBB-49C-20K7X20K6
SRBB-49C-20K7X20K7
SRBB-49C-20K7X20K8
SRBB-49C-20K8X20
SRBB-49C-20K8X20K6
SRBB-49C-20K8X20K7
SRBB-49C-20K8X20K8

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)
86.38 €	1	12 Days	10	10.01 to 20.00	18	20	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	One Side Key Way	K8	8	3.3	-	-	-
90.01 €	1	12 Days	10	10.01 to 20.00	18	20	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	Both sides keyway	K8	8	3.3	K6	6	2.8
90.01 €	1	12 Days	10	10.01 to 20.00	18	20	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	Both sides keyway	K8	8	3.3	K7	7	3
90.01 €	1	12 Days	10	10.01 to 20.00	18	20	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	Both sides keyway	K8	8	3.3	K8	8	3.3
82.76 €	1	11 Days	10	10.01 to 20.00	18	18	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	No Keyway	-	-	-	-	-	-
86.38 €	1	12 Days	10	10.01 to 20.00	18	18	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	One Side Key Way	-	-	-	K6	6	2.8
86.38 €	1	12 Days	10	10.01 to 20.00	18	18	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	One Side Key Way	-	-	-	K7	7	3
86.38 €	1	12 Days	10	10.01 to 20.00	18	18	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	One Side Key Way	-	-	-	K8	8	3.3
82.76 €	1	11 Days	10	10.01 to 20.00	18	19	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	No Keyway	-	-	-	-	-	-
86.38 €	1	12 Days	10	10.01 to 20.00	18	19	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	One Side Key Way	-	-	-	K6	6	2.8
86.38 €	1	12 Days	10	10.01 to 20.00	18	19	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	One Side Key Way	-	-	-	K7	7	3
86.38 €	1	12 Days	10	10.01 to 20.00	18	19	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	One Side Key Way	-	-	-	K8	8	3.3
82.76 €	1	11 Days	10	10.01 to 20.00	18	20	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	No Keyway	-	-	-	-	-	-
86.38 €	1	12 Days	10	10.01 to 20.00	18	20	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	One Side Key Way	-	-	-	K6	6	2.8
86.38 €	1	12 Days	10	10.01 to 20.00	18	20	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	One Side Key Way	-	-	-	K7	7	3
86.38 €	1	12 Days	10	10.01 to 20.00	18	20	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	One Side Key Way	-	-	-	K8	8	3.3
86.38 €	1	12 Days	10	10.01 to 20.00	19	19	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	One Side Key Way	K6	6	2.8	-	-	-
90.01 €	1	12 Days	10	10.01 to 20.00	19	19	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	Both sides keyway	K6	6	2.8	K6	6	2.8
90.01 €	1	12 Days	10	10.01 to 20.00	19	19	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	Both sides keyway	K6	6	2.8	K7	7	3
90.01 €	1	12 Days	10	10.01 to 20.00	19	19	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	Both sides keyway	K6	6	2.8	K8	8	3.3
86.38 €	1	12 Days	10	10.01 to 20.00	19	20	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	One Side Key Way	K6	6	2.8	-	-	-
90.01 €	1	12 Days	10	10.01 to 20.00	19	20	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	Both sides keyway	K6	6	2.8	K6	6	2.8
90.01 €	1	12 Days	10	10.01 to 20.00	19	20	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	Both sides keyway	K6	6	2.8	K7	7	3
90.01 €	1	12 Days	10	10.01 to 20.00	19	20	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	Both sides keyway	K6	6	2.8	K8	8	3.3
86.38 €	1	12 Days	10	10.01 to 20.00	19	19	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	One Side Key Way	K7	7	3	-	-	-
90.01 €	1	12 Days	10	10.01 to 20.00	19	19	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	Both sides keyway	K7	7	3	K6	6	2.8
90.01 €	1	12 Days	10	10.01 to 20.00	19	19	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	Both sides keyway	K7	7	3	K7	7	3
90.01 €	1	12 Days	10	10.01 to 20.00	19	19	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	Both sides keyway	K7	7	3	K8	8	3.3
86.38 €	1	12 Days	10	10.01 to 20.00	19	20	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	One Side Key Way	K7	7	3	-	-	-
90.01 €	1	12 Days	10	10.01 to 20.00	19	20	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	Both sides keyway	K7	7	3	K6	6	2.8
90.01 €	1	12 Days	10	10.01 to 20.00	19	20	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	Both sides keyway	K7	7	3	K7	7	3
90.01 €	1	12 Days	10	10.01 to 20.00	19	20	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	Both sides keyway	K7	7	3	K8	8	3.3
86.38 €	1	12 Days	10	10.01 to 20.00	19	19	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	One Side Key Way	K8	8	3.3	-	-	-
90.01 €	1	12 Days	10	10.01 to 20.00	19	19	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	Both sides keyway	K8	8	3.3	K6	6	2.8
90.01 €	1	12 Days	10	10.01 to 20.00	19	19	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	Both sides keyway	K8	8	3.3	K7	7	3
90.01 €	1	12 Days	10	10.01 to 20.00	19	19	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	Both sides keyway	K8	8	3.3	K8	8	3.3
86.38 €	1	12 Days	10	10.01 to 20.00	19	20	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	One Side Key Way	K8	8	3.3	-	-	-
90.01 €	1	12 Days	10	10.01 to 20.00	19	20	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	Both sides keyway	K8	8	3.3	K6	6	2.8
90.01 €	1	12 Days	10	10.01 to 20.00	19	20	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	Both sides keyway	K8	8	3.3	K7	7	3
90.01 €	1	12 Days	10	10.01 to 20.00	19	20	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	Both sides keyway	K8	8	3.3	K8	8	3.3
82.76 €	1	11 Days	10	10.01 to 20.00	19	19	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	No Keyway	-	-	-	-	-	-
86.38 €	1	12 Days	10	10.01 to 20.00	19	19	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	One Side Key Way	-	-	-	K6	6	2.8
86.38 €	1	12 Days	10	10.01 to 20.00	19	19	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	One Side Key Way	-	-	-	K7	7	3
86.38 €	1	12 Days	10	10.01 to 20.00	19	19	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	One Side Key Way	-	-	-	K8	8	3.3
82.76 €	1	11 Days	10	10.01 to 20.00	19	20	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	No Keyway	-	-	-	-	-	-
86.38 €	1	12 Days	10	10.01 to 20.00	19	20	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	One Side Key Way	-	-	-	K6	6	2.8
86.38 €	1	12 Days	10	10.01 to 20.00	19	20	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	One Side Key Way	-	-	-	K7	7	3
86.38 €	1	12 Days	10	10.01 to 20.00	19	20	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	One Side Key Way	-	-	-	K8	8	3.3
86.38 €	1	12 Days	10	10.01 to 20.00	20	20	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	One Side Key Way	K6	6	2.8	-	-	-
90.01 €	1	12 Days	10	10.01 to 20.00	20	20	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	Both sides keyway	K6	6	2.8	K6	6	2.8
90.01 €	1	12 Days	10	10.01 to 20.00	20	20	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	Both sides keyway	K6	6	2.8	K7	7	3
90.01 €	1	12 Days	10	10.01 to 20.00	20	20	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	Both sides keyway	K6	6	2.8	K8	8	3.3
86.38 €	1	12 Days	10	10.01 to 20.00	20	20	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	One Side Key Way	K7	7	3	-	-	-
90.01 €	1	12 Days	10	10.01 to 20.00	20	20	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	Both sides keyway	K7	7	3	K6	6	2.8
90.01 €	1	12 Days	10	10.01 to 20.00	20	20	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	Both sides keyway	K7	7	3	K7	7	3
90.01 €	1	12 Days	10	10.01 to 20.00	20	20	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	Both sides keyway	K7	7	3	K8	8	3.3
86.38 €	1	12 Days	10	10.01 to 20.00	20	20	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	One Side Key Way	K8	8	3.3	-	-	-
90.01 €	1	12 Days	10	10.01 to 20.00	20	20	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	Both sides keyway	K8	8	3.3	K6	6	2.8
90.01 €	1	12 Days	10	10.01 to 20.00	20	20	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	Both sides keyway	K8	8	3.3	K7	7	3
90.01 €	1	12 Days	10	10.01 to 20.00	20	20	49	70	2001 to 4,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	13	3300	0.21 to 0.40	0.25	Aluminum	±0.5	1.0X10^-4	Both sides keyway	K8	8	3.3	K8	8	3.3

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)
44

56

70

88
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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

0.3
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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
- SRBB-32C
- SRBB-39C
- SRBB-49C
- SRBB-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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Filter by CAD data type
- 3D
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