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Stainless slit-shaped coupling - Set Screw Type - [SRBS-22] (Part Numbers)

This set screw type slit coupling has a low moment of inertia and stability even at high RPM.
[Features]
・ Spring with 0 backlash and radial beam absorbs eccentricity, declination, and end play.
·A long type, with high torsional rigidity and torque tolerance, and high oil and chemical resistance.
・ The characteristics of forward/reverse rotation are the same and no repair is required.
[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

Configured Part Number is shown.

Product TOP

: 30; 60; 90

Part Number
SRBS-49-12K4X14
SRBS-49-12K4X14K5
SRBS-49-12K5X14
SRBS-49-12K5X14K5
SRBS-49-12X14
SRBS-49-12X14K5
SRBS-49-14K5X14
SRBS-49-14K5X14K5
SRBS-49-14K5X16
SRBS-49-14K5X16K5
SRBS-49-14K5X16K6
SRBS-49-14X14
SRBS-49-14X14K5
SRBS-49-14X16
SRBS-49-14X16K5
SRBS-49-14X16K6
SRBS-49-15K5X15
SRBS-49-15K5X15K5
SRBS-49-15K5X15K6
SRBS-49-15K6X15
SRBS-49-15K6X15K5
SRBS-49-15K6X15K6
SRBS-49-15X15
SRBS-49-15X15K5
SRBS-49-15X15K6
SRBS-49-16K5X16
SRBS-49-16K5X16K5
SRBS-49-16K5X16K6
SRBS-49-16K6X16
SRBS-49-16K6X16K5
SRBS-49-16K6X16K6
SRBS-49-16X16
SRBS-49-16X16K5
SRBS-49-16X16K6
SRBS-49-18K6X18
SRBS-49-18K6X18K6
SRBS-49-18K6X18K7
SRBS-49-18K6X18K8
SRBS-49-18K7X18
SRBS-49-18K7X18K6
SRBS-49-18K7X18K7
SRBS-49-18K7X18K8
SRBS-49-18K8X18
SRBS-49-18K8X18K6
SRBS-49-18K8X18K7
SRBS-49-18K8X18K8
SRBS-49-18X18
SRBS-49-18X18K6
SRBS-49-18X18K7
SRBS-49-18X18K8
SRBS-49-20K6X20
SRBS-49-20K6X20K6
SRBS-49-20K6X20K7
SRBS-49-20K6X20K8
SRBS-49-20K7X20
SRBS-49-20K7X20K6
SRBS-49-20K7X20K7
SRBS-49-20K7X20K8
SRBS-49-20K8X20
SRBS-49-20K8X20K6
SRBS-49-20K8X20K7
SRBS-49-20K8X20K8
SRBS-49-20X20
SRBS-49-20X20K6
SRBS-49-20X20K7
SRBS-49-20X20K8

Standard Unit Price	Minimum order quantity	Days to Ship	RoHS	Shaft Bore Dia. (machined) D1 (Ø)	Allowable Torque Range (N•m)	Shaft Bore Dia. (machined) D2 (Ø)	O.D. (Ø)	Features	Full Length (mm)	Max. Rotational Speed Range (r/min)	Allowable Torque (N•m)	Max. Rotational Speed (r/min)	Allowable Lateral Misalignment Range (mm)	Allowable Lateral Misalignment (mm)	Buffer Material	Moment of Inertia (kg･m²)	Allowable Axial Clearance (±) (mm)	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 834.20	1 Piece(s)	16 Day(s) or more	10	12	10.01~20.00	14	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	One Side Key Way	K4	4	1.8	-	-	-
MYR 851.50	1 Piece(s)	16 Day(s) or more	10	12	10.01~20.00	14	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	Both sides keyway	K4	4	1.8	K5	5	2.3
MYR 834.20	1 Piece(s)	16 Day(s) or more	10	12	10.01~20.00	14	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	One Side Key Way	K5	5	2.3	-	-	-
MYR 851.50	1 Piece(s)	16 Day(s) or more	10	12	10.01~20.00	14	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	Both sides keyway	K5	5	2.3	K5	5	2.3
MYR 816.89	1 Piece(s)	15 Day(s) or more	10	12	10.01~20.00	14	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	No Keyway	-	-	-	-	-	-
MYR 834.20	1 Piece(s)	16 Day(s) or more	10	12	10.01~20.00	14	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	One Side Key Way	-	-	-	K5	5	2.3
MYR 834.20	1 Piece(s)	16 Day(s) or more	10	14	10.01~20.00	14	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	One Side Key Way	K5	5	2.3	-	-	-
MYR 851.50	1 Piece(s)	16 Day(s) or more	10	14	10.01~20.00	14	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	Both sides keyway	K5	5	2.3	K5	5	2.3
MYR 834.20	1 Piece(s)	16 Day(s) or more	10	14	10.01~20.00	16	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	One Side Key Way	K5	5	2.3	-	-	-
MYR 851.50	1 Piece(s)	16 Day(s) or more	10	14	10.01~20.00	16	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	Both sides keyway	K5	5	2.3	K5	5	2.3
MYR 855.83	1 Piece(s)	16 Day(s) or more	10	14	10.01~20.00	16	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	Both sides keyway	K5	5	2.3	K6	6	2.8
MYR 816.89	1 Piece(s)	15 Day(s) or more	10	14	10.01~20.00	14	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	No Keyway	-	-	-	-	-	-
MYR 834.20	1 Piece(s)	16 Day(s) or more	10	14	10.01~20.00	14	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	One Side Key Way	-	-	-	K5	5	2.3
MYR 816.89	1 Piece(s)	15 Day(s) or more	10	14	10.01~20.00	16	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	No Keyway	-	-	-	-	-	-
MYR 834.20	1 Piece(s)	16 Day(s) or more	10	14	10.01~20.00	16	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	One Side Key Way	-	-	-	K5	5	2.3
MYR 838.52	1 Piece(s)	16 Day(s) or more	10	14	10.01~20.00	16	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	One Side Key Way	-	-	-	K6	6	2.8
MYR 834.20	1 Piece(s)	16 Day(s) or more	10	15	10.01~20.00	15	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	One Side Key Way	K5	5	2.3	-	-	-
MYR 851.50	1 Piece(s)	16 Day(s) or more	10	15	10.01~20.00	15	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	Both sides keyway	K5	5	2.3	K5	5	2.3
MYR 855.83	1 Piece(s)	16 Day(s) or more	10	15	10.01~20.00	15	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	Both sides keyway	K5	5	2.3	K6	6	2.8
MYR 838.52	1 Piece(s)	16 Day(s) or more	10	15	10.01~20.00	15	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	One Side Key Way	K6	6	2.8	-	-	-
MYR 855.83	1 Piece(s)	16 Day(s) or more	10	15	10.01~20.00	15	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	Both sides keyway	K6	6	2.8	K5	5	2.3
MYR 860.16	1 Piece(s)	16 Day(s) or more	10	15	10.01~20.00	15	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	Both sides keyway	K6	6	2.8	K6	6	2.8
MYR 816.89	1 Piece(s)	15 Day(s) or more	10	15	10.01~20.00	15	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	No Keyway	-	-	-	-	-	-
MYR 834.20	1 Piece(s)	16 Day(s) or more	10	15	10.01~20.00	15	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	One Side Key Way	-	-	-	K5	5	2.3
MYR 838.52	1 Piece(s)	16 Day(s) or more	10	15	10.01~20.00	15	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	One Side Key Way	-	-	-	K6	6	2.8
MYR 834.20	1 Piece(s)	16 Day(s) or more	10	16	10.01~20.00	16	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	One Side Key Way	K5	5	2.3	-	-	-
MYR 851.50	1 Piece(s)	16 Day(s) or more	10	16	10.01~20.00	16	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	Both sides keyway	K5	5	2.3	K5	5	2.3
MYR 855.83	1 Piece(s)	16 Day(s) or more	10	16	10.01~20.00	16	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	Both sides keyway	K5	5	2.3	K6	6	2.8
MYR 838.52	1 Piece(s)	16 Day(s) or more	10	16	10.01~20.00	16	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	One Side Key Way	K6	6	2.8	-	-	-
MYR 855.83	1 Piece(s)	16 Day(s) or more	10	16	10.01~20.00	16	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	Both sides keyway	K6	6	2.8	K5	5	2.3
MYR 860.16	1 Piece(s)	16 Day(s) or more	10	16	10.01~20.00	16	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	Both sides keyway	K6	6	2.8	K6	6	2.8
MYR 816.89	1 Piece(s)	15 Day(s) or more	10	16	10.01~20.00	16	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	No Keyway	-	-	-	-	-	-
MYR 834.20	1 Piece(s)	16 Day(s) or more	10	16	10.01~20.00	16	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	One Side Key Way	-	-	-	K5	5	2.3
MYR 838.52	1 Piece(s)	16 Day(s) or more	10	16	10.01~20.00	16	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	One Side Key Way	-	-	-	K6	6	2.8
MYR 838.52	1 Piece(s)	16 Day(s) or more	10	18	10.01~20.00	18	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	One Side Key Way	K6	6	2.8	-	-	-
MYR 860.16	1 Piece(s)	16 Day(s) or more	10	18	10.01~20.00	18	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	Both sides keyway	K6	6	2.8	K6	6	2.8
MYR 860.16	1 Piece(s)	16 Day(s) or more	10	18	10.01~20.00	18	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	Both sides keyway	K6	6	2.8	K7	7	3
MYR 860.16	1 Piece(s)	16 Day(s) or more	10	18	10.01~20.00	18	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	Both sides keyway	K6	6	2.8	K8	8	3.3
MYR 838.52	1 Piece(s)	16 Day(s) or more	10	18	10.01~20.00	18	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	One Side Key Way	K7	7	3	-	-	-
MYR 860.16	1 Piece(s)	16 Day(s) or more	10	18	10.01~20.00	18	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	Both sides keyway	K7	7	3	K6	6	2.8
MYR 860.16	1 Piece(s)	16 Day(s) or more	10	18	10.01~20.00	18	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	Both sides keyway	K7	7	3	K7	7	3
MYR 860.16	1 Piece(s)	16 Day(s) or more	10	18	10.01~20.00	18	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	Both sides keyway	K7	7	3	K8	8	3.3
MYR 838.52	1 Piece(s)	16 Day(s) or more	10	18	10.01~20.00	18	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	One Side Key Way	K8	8	3.3	-	-	-
MYR 860.16	1 Piece(s)	16 Day(s) or more	10	18	10.01~20.00	18	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	Both sides keyway	K8	8	3.3	K6	6	2.8
MYR 860.16	1 Piece(s)	16 Day(s) or more	10	18	10.01~20.00	18	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	Both sides keyway	K8	8	3.3	K7	7	3
MYR 860.16	1 Piece(s)	16 Day(s) or more	10	18	10.01~20.00	18	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	Both sides keyway	K8	8	3.3	K8	8	3.3
MYR 816.89	1 Piece(s)	15 Day(s) or more	10	18	10.01~20.00	18	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	No Keyway	-	-	-	-	-	-
MYR 838.52	1 Piece(s)	16 Day(s) or more	10	18	10.01~20.00	18	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	One Side Key Way	-	-	-	K6	6	2.8
MYR 838.52	1 Piece(s)	16 Day(s) or more	10	18	10.01~20.00	18	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	One Side Key Way	-	-	-	K7	7	3
MYR 838.52	1 Piece(s)	16 Day(s) or more	10	18	10.01~20.00	18	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	One Side Key Way	-	-	-	K8	8	3.3
MYR 838.52	1 Piece(s)	16 Day(s) or more	10	20	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	One Side Key Way	K6	6	2.8	-	-	-
MYR 860.16	1 Piece(s)	16 Day(s) or more	10	20	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	Both sides keyway	K6	6	2.8	K6	6	2.8
MYR 860.16	1 Piece(s)	16 Day(s) or more	10	20	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	Both sides keyway	K6	6	2.8	K7	7	3
MYR 860.16	1 Piece(s)	16 Day(s) or more	10	20	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	Both sides keyway	K6	6	2.8	K8	8	3.3
MYR 838.52	1 Piece(s)	16 Day(s) or more	10	20	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	One Side Key Way	K7	7	3	-	-	-
MYR 860.16	1 Piece(s)	16 Day(s) or more	10	20	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	Both sides keyway	K7	7	3	K6	6	2.8
MYR 860.16	1 Piece(s)	16 Day(s) or more	10	20	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	Both sides keyway	K7	7	3	K7	7	3
MYR 860.16	1 Piece(s)	16 Day(s) or more	10	20	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	Both sides keyway	K7	7	3	K8	8	3.3
MYR 838.52	1 Piece(s)	16 Day(s) or more	10	20	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	One Side Key Way	K8	8	3.3	-	-	-
MYR 860.16	1 Piece(s)	16 Day(s) or more	10	20	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	Both sides keyway	K8	8	3.3	K6	6	2.8
MYR 860.16	1 Piece(s)	16 Day(s) or more	10	20	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	Both sides keyway	K8	8	3.3	K7	7	3
MYR 860.16	1 Piece(s)	16 Day(s) or more	10	20	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	Both sides keyway	K8	8	3.3	K8	8	3.3
MYR 816.89	1 Piece(s)	15 Day(s) or more	10	20	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	No Keyway	-	-	-	-	-	-
MYR 838.52	1 Piece(s)	16 Day(s) or more	10	20	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	One Side Key Way	-	-	-	K6	6	2.8
MYR 838.52	1 Piece(s)	16 Day(s) or more	10	20	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	One Side Key Way	-	-	-	K7	7	3
MYR 838.52	1 Piece(s)	16 Day(s) or more	10	20	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Small / Heat Resistant	70	4001~10000	16	7000	0.21~0.40	0.25	Aluminum	2.8X10^-4	±0.5	One Side Key Way	-	-	-	K8	8	3.3

Basic Information

Application	Stepping Motor	Body Material	Stainless Steel	Allowable Angular Misalignment(deg)	2.5
Operating Temperature Range(°C)	-50::200

Configure

66 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Shaft Bore Dia. (machined) D1(Ø)
3

4

5

6

6.35

8

10

12

14

15

16

18

20

22

24

25
Clear
Shaft Bore Dia. (machined) D2(Ø)
3

4

5

6

6.35

8

9.525

10

12

14

15

16

18

20

22

24

25
Clear
O.D.(Ø)
12.7

16

19.1

22.2

26.2

31.8

39

49

60
Clear
Features
High torsional rigidity

High Torque

Backlash 0

Small

Heat Resistant
Clear
Full Length(mm)
18

18.5

22

25

30

39

56

70

88
Clear
Max. Rotational Speed Range(r/min)
4001~10000

10001~78000
Clear
Allowable Torque(N•m)
0.3

0.5

0.9

1.6

2.1

3.5

8

16

34
Clear
Max. Rotational Speed(r/min)
6000

7000

9500

12000

15000

17000

20000

24000

28000
Clear
Allowable Lateral Misalignment Range(mm)
0.02~0.2

0.21~0.40
Clear
Allowable Lateral Misalignment(mm)
0.1

0.15

0.2

0.25

0.36
Clear
Buffer Material
- Polyacetal
- Aluminum
- Stainless Steel
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
- SRBS-12
- SRBS-16
- SRBS-19
- SRBS-22
- SRBS-26
- SRBS-32
- SRBS-39
- SRBS-49
- SRBS-60
Clear
Allowable Torque Range(N•m)
0.05~1.00

1.01~3.00

3.01~5.00

5.01~10.00

10.01~20.00

20.01~50.00
Clear
CAD
- 3D
Clear

Days to Ship

All

9 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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Stainless slit-shaped coupling - Set Screw Type - [SRBS-22] (Part Numbers)

Basic Information

Configure

Specification/Dimensions

Shaft Bore Dia. (machined) D1(Ø)

Shaft Bore Dia. (machined) D2(Ø)

O.D.(Ø)

Features

Full Length(mm)

Max. Rotational Speed Range(r/min)

Allowable Torque(N•m)

Max. Rotational Speed(r/min)

Allowable Lateral Misalignment Range(mm)

Allowable Lateral Misalignment(mm)

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

Allowable Torque Range(N•m)

CAD

Days to Ship

Specify Alterations

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