Slit couplings / hub clamping, feather key / cross slot / body: aluminium / SRBB / SUNGIL

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.

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Part Number
SRBB-49C-12K4X12
SRBB-49C-12K4X12K4
SRBB-49C-12K4X12K5
SRBB-49C-12K4X14
SRBB-49C-12K4X14K5
SRBB-49C-12K4X15
SRBB-49C-12K4X15K5
SRBB-49C-12K4X15K6
SRBB-49C-12K4X16
SRBB-49C-12K4X16K5
SRBB-49C-12K4X16K6
SRBB-49C-12K4X18
SRBB-49C-12K4X18K6
SRBB-49C-12K4X18K7
SRBB-49C-12K4X18K8
SRBB-49C-12K4X19
SRBB-49C-12K4X19K6
SRBB-49C-12K4X19K7
SRBB-49C-12K4X19K8
SRBB-49C-12K4X20
SRBB-49C-12K4X20K6
SRBB-49C-12K4X20K7
SRBB-49C-12K4X20K8
SRBB-49C-12K5X12
SRBB-49C-12K5X12K4
SRBB-49C-12K5X12K5
SRBB-49C-12K5X14
SRBB-49C-12K5X14K5
SRBB-49C-12K5X15
SRBB-49C-12K5X15K5
SRBB-49C-12K5X15K6
SRBB-49C-12K5X16
SRBB-49C-12K5X16K5
SRBB-49C-12K5X16K6
SRBB-49C-12K5X18
SRBB-49C-12K5X18K6
SRBB-49C-12K5X18K7
SRBB-49C-12K5X18K8
SRBB-49C-12K5X19
SRBB-49C-12K5X19K6
SRBB-49C-12K5X19K7
SRBB-49C-12K5X19K8
SRBB-49C-12K5X20
SRBB-49C-12K5X20K6
SRBB-49C-12K5X20K7
SRBB-49C-12K5X20K8
SRBB-49C-12X12
SRBB-49C-12X12K4
SRBB-49C-12X12K5
SRBB-49C-12X14
SRBB-49C-12X14K5
SRBB-49C-12X15
SRBB-49C-12X15K5
SRBB-49C-12X15K6
SRBB-49C-12X16
SRBB-49C-12X16K5
SRBB-49C-12X16K6
SRBB-49C-12X18
SRBB-49C-12X18K6
SRBB-49C-12X18K7

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)
85.48 €	1	12 Days	10	10.01 to 20.00	12	12	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	K4	4	1.8	-	-	-
88.19 €	1	12 Days	10	10.01 to 20.00	12	12	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	K4	4	1.8	K4	4	1.8
88.19 €	1	12 Days	10	10.01 to 20.00	12	12	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	K4	4	1.8	K5	5	2.3
85.48 €	1	12 Days	10	10.01 to 20.00	12	14	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	K4	4	1.8	-	-	-
88.19 €	1	12 Days	10	10.01 to 20.00	12	14	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	K4	4	1.8	K5	5	2.3
85.48 €	1	12 Days	10	10.01 to 20.00	12	15	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	K4	4	1.8	-	-	-
88.19 €	1	12 Days	10	10.01 to 20.00	12	15	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	K4	4	1.8	K5	5	2.3
89.11 €	1	12 Days	10	10.01 to 20.00	12	15	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	K4	4	1.8	K6	6	2.8
85.48 €	1	12 Days	10	10.01 to 20.00	12	16	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	K4	4	1.8	-	-	-
88.19 €	1	12 Days	10	10.01 to 20.00	12	16	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	K4	4	1.8	K5	5	2.3
89.11 €	1	12 Days	10	10.01 to 20.00	12	16	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	K4	4	1.8	K6	6	2.8
85.48 €	1	12 Days	10	10.01 to 20.00	12	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	K4	4	1.8	-	-	-
89.11 €	1	12 Days	10	10.01 to 20.00	12	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	Both sides keyway	K4	4	1.8	K6	6	2.8
89.11 €	1	12 Days	10	10.01 to 20.00	12	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	Both sides keyway	K4	4	1.8	K7	7	3
89.11 €	1	12 Days	10	10.01 to 20.00	12	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	Both sides keyway	K4	4	1.8	K8	8	3.3
85.48 €	1	12 Days	10	10.01 to 20.00	12	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	K4	4	1.8	-	-	-
89.11 €	1	12 Days	10	10.01 to 20.00	12	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	K4	4	1.8	K6	6	2.8
89.11 €	1	12 Days	10	10.01 to 20.00	12	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	K4	4	1.8	K7	7	3
89.11 €	1	12 Days	10	10.01 to 20.00	12	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	K4	4	1.8	K8	8	3.3
85.48 €	1	12 Days	10	10.01 to 20.00	12	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	K4	4	1.8	-	-	-
89.11 €	1	12 Days	10	10.01 to 20.00	12	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	K4	4	1.8	K6	6	2.8
89.11 €	1	12 Days	10	10.01 to 20.00	12	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	K4	4	1.8	K7	7	3
89.11 €	1	12 Days	10	10.01 to 20.00	12	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	K4	4	1.8	K8	8	3.3
85.48 €	1	12 Days	10	10.01 to 20.00	12	12	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	K5	5	2.3	-	-	-
88.19 €	1	12 Days	10	10.01 to 20.00	12	12	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	K5	5	2.3	K4	4	1.8
88.19 €	1	12 Days	10	10.01 to 20.00	12	12	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	K5	5	2.3	K5	5	2.3
85.48 €	1	12 Days	10	10.01 to 20.00	12	14	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	K5	5	2.3	-	-	-
88.19 €	1	12 Days	10	10.01 to 20.00	12	14	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	K5	5	2.3	K5	5	2.3
85.48 €	1	12 Days	10	10.01 to 20.00	12	15	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	K5	5	2.3	-	-	-
88.19 €	1	12 Days	10	10.01 to 20.00	12	15	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	K5	5	2.3	K5	5	2.3
89.11 €	1	12 Days	10	10.01 to 20.00	12	15	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	K5	5	2.3	K6	6	2.8
85.48 €	1	12 Days	10	10.01 to 20.00	12	16	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	K5	5	2.3	-	-	-
88.19 €	1	12 Days	10	10.01 to 20.00	12	16	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	K5	5	2.3	K5	5	2.3
89.11 €	1	12 Days	10	10.01 to 20.00	12	16	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	K5	5	2.3	K6	6	2.8
85.48 €	1	12 Days	10	10.01 to 20.00	12	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	K5	5	2.3	-	-	-
89.11 €	1	12 Days	10	10.01 to 20.00	12	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	Both sides keyway	K5	5	2.3	K6	6	2.8
89.11 €	1	12 Days	10	10.01 to 20.00	12	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	Both sides keyway	K5	5	2.3	K7	7	3
89.11 €	1	12 Days	10	10.01 to 20.00	12	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	Both sides keyway	K5	5	2.3	K8	8	3.3
85.48 €	1	12 Days	10	10.01 to 20.00	12	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	K5	5	2.3	-	-	-
89.11 €	1	12 Days	10	10.01 to 20.00	12	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	K5	5	2.3	K6	6	2.8
89.11 €	1	12 Days	10	10.01 to 20.00	12	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	K5	5	2.3	K7	7	3
89.11 €	1	12 Days	10	10.01 to 20.00	12	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	K5	5	2.3	K8	8	3.3
85.48 €	1	12 Days	10	10.01 to 20.00	12	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	K5	5	2.3	-	-	-
89.11 €	1	12 Days	10	10.01 to 20.00	12	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	K5	5	2.3	K6	6	2.8
89.11 €	1	12 Days	10	10.01 to 20.00	12	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	K5	5	2.3	K7	7	3
89.11 €	1	12 Days	10	10.01 to 20.00	12	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	K5	5	2.3	K8	8	3.3
82.76 €	1	11 Days	10	10.01 to 20.00	12	12	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	-	-	-	-	-	-
85.48 €	1	12 Days	10	10.01 to 20.00	12	12	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	-	-	-	K4	4	1.8
85.48 €	1	12 Days	10	10.01 to 20.00	12	12	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	-	-	-	K5	5	2.3
82.76 €	1	11 Days	10	10.01 to 20.00	12	14	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	-	-	-	-	-	-
85.48 €	1	12 Days	10	10.01 to 20.00	12	14	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	-	-	-	K5	5	2.3
82.76 €	1	11 Days	10	10.01 to 20.00	12	15	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	-	-	-	-	-	-
85.48 €	1	12 Days	10	10.01 to 20.00	12	15	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	-	-	-	K5	5	2.3
86.38 €	1	12 Days	10	10.01 to 20.00	12	15	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
82.76 €	1	11 Days	10	10.01 to 20.00	12	16	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	-	-	-	-	-	-
85.48 €	1	12 Days	10	10.01 to 20.00	12	16	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	-	-	-	K5	5	2.3
86.38 €	1	12 Days	10	10.01 to 20.00	12	16	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
82.76 €	1	11 Days	10	10.01 to 20.00	12	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	12	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	12	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

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

9.525

10

11

12

14

15

16

18

19

20

22

24

25
Clear
Outer Dia. A(mm)
31.8

39

49

60
Clear
Overall Length W(mm)
44

56

70

88
Clear
Max. Rotational Speed Range(r/min)
2001 to 4,000

4,001 to 10,000
Clear
Feature
High torsional rigidity

High Torque

Backlash 0

Low Inertia Moment

Small

Heat Resistant
Clear
Allowable Torque(Nm)
2.6

6.5

13

24
Clear
Max. Rotational Speed(r/min)
2600

3300

4000

5000
Clear
Allowable Lateral Misalignment Range(mm)
0.02 to 0.2

0.21 to 0.40
Clear
Allowable Lateral Misalignment(mm)
0.2

0.25

0.3
Clear
Buffer Part Material
- Polyacetal
- Aluminum
Clear
With or without Keyway
- Both sides keyway
- No Keyway
- One Side Key Way
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
- SRBB-32C
- SRBB-39C
- SRBB-49C
- SRBB-60C
Clear
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
Clear
Filter by CAD data type
- 3D
Clear