Joint Units For Ball Screws and Motors

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Technical Information

Type	Material		Surface Treatment		Accessory	Applicable Motor
	Main Body	Support Units	Main Body	Support Units
BJS	EN AW-5052 Equiv.	EN 1.1191 Equiv.	Clear Anodize	Black Oxide	Collar 2 pcs. Bearing Nut 1 pc. (with Set Piece)	AC Servo Motor
BJSM				Electroless Nickel Plating

Specifications

Part Number

BJS8A

Part Number		d	B₁	B₂	D₁	D₂	D₃	E	F	H₁	H₂	J	K	L	N	Q	S	T₁	T₂	W₁	W₂	X₁	X₂	Y₁	Y₂	P.C.D.	M₁ (Fine)	M₂ (Coarse)	d₁	ℓ	Support Units
Type	No.																														BJS	BJSM
BJS BJSM	* 8A	8	67	9	30	28	11.5	21	64	41	19	43	40	10	12	12	6	47	52	40	35	5	14	5.5	6.5	45	M8x1.0	M3	5.5	8	BRW8	-
	* 8B																									46		M4		10
	*10A	10	74	13	30	34	14	25	70	46	23	46	42	10	14	14	7	54	56	42	42	8	16	5.5	8	45	M10x1.0	M3	6.5	8	BRW10	BRWN10
	10B																									46		M4		10
	*12A	12	74	13	30	36	15	25	72	47	23	46	44	10	14	14	7	54	58	44	44	8	16	5.5	8	45	M12x1.0	M3	6.5	8	BRW12	BRWN12
	12B																									46		M4		10
	12C		84		50			31	98	62	26	56	62	13		18	9	58	80	62						70		M5	8.5	Through
	15A	15	97	15	50	40	20	31	98	61	26	63	62	13	17	18	9	71	80	62	52	8	18	10	10	70	M15x1.0	M5	8.5	13	BRW15	BRWN15
	15B		106		70			41	128	82	36	72	82	16		23	11	74	106	82						90		M6	10.5	15
	20A	20	117	22	50	57	25	35	116	70	30	69	70	20	24	23	11	77	94	70	68	14	28	11	13	70	M20x1.0	M5	10.5	13	BRW20	BRWN20
	20B		127		70			41	128	82	36	79	82					87	106	82	68					90		M6		15

* marked sizes are for BJS only.

■Motor Compatibility Chart

Part Number	Motor			Part Number	Motor
	Flange Size	Manufacturer	Output (W)		Flange Size	Manufacturer	Output (W)
BJS8A BJS10A BJS12A	□38	Panasonic	30	BJS (M)12C BJS (M)15A BJS (M)20A	□60	Yaskawa Electric Corporation	200
			50				400
			100			Mitsubishi Electric Corporation	200
BJS8B BJS (M)10B BJS (M)12B	□40	Yaskawa Electric Corporation	30				400
			50			Sanyo Denki Co., Ltd.	200
			100				400
		Mitsubishi Electric Corporation	50			Omron Corporation	200
			100				400
		Sanyo Denki Co Ltd.	30	BJS (M)15B BJS (M)20B	□80	Yaskawa Electric Corporation	750
			50			Mitsubishi Electric Corporation	750
			100			Sanyo Denki Co., Ltd.	750
		Omron Corporation	30			Omron Corporation	750
			50
			100

Motor part numbers and specifications are subject to change. Refer to motor manufacturer's specifications.
Selection of motors, ball screws and couplings should be made upon confirming user's application specific criteria.
Other motors and couplings not listed in the chart can also be used. Consult with mounting dimensions and specifications of each product.
When selecting ball screws, use MISUMI Technical Calculation Software: http://fa.misumi.jp/ (Free)

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Part Number
BJS8A
BJS8B
BJS10A
BJS10B
BJS12A
BJS12B
BJS12C
BJS15A
BJS15B
BJS20A
BJS20B
BJSM10B
BJSM12B
BJSM12C
BJSM15A
BJSM15B
BJSM20A
BJSM20B

Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	RoHS	Shaft Dia. d (φ)	P.C.D. (Ø)
209.93 €	1	Available	Same day Stock	10	8	45
209.93 €	1	Available	5 Days	10	8	46
195.96 €	1	Available	5 Days	10	10	45
195.96 €	1	Available	5 Days	10	10	46
198.99 €	1	Available	5 Days	10	12	45
198.99 €	1	Available	Same day Stock	10	12	46
261.20 €	1	Available	5 Days	10	12	70
261.20 €	1	Available	5 Days	10	15	70
402.87 €	1	Available	5 Days	10	15	90
411.81 €	1	Available	5 Days	10	20	70
436.00 €	1	Available	5 Days	10	20	90
218.89 €	1	Available	5 Days	10	10	46
222.04 €	1	Available	5 Days	10	12	46
287.40 €	1	Available	5 Days	10	12	70
288.90 €	1	Available	5 Days	10	15	70
427.94 €	1	Available	5 Days	10	15	90
442.43 €	1	Available	5 Days	10	20	70
466.73 €	1	Available	5 Days	10	20	90

More Information

■Features • Simplification of Assembly: With a support bearing unit already pre-installed
mounting and aligning a motor becomes simple with a build-in pilot.
• Accurate Shaft Centering : Unitized construction of ball screw and motor mounts reduces shaft misalignments.