Ball Splines / Both Ends Stepped and Threaded

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Ball Splines/Both Ends Stepped and Threaded:Related Image

Both Ends Stepped and Threaded	Spline Shafts [ M ] EN 1.3505 Equiv. Nut [ M ] EN 1.7242 Equiv. [ H ] Hardness: 58HRC ~	Spline Shaft, Nut [ M ] Material: EN 1.4125 Equiv. [ H ] Hardness: 55HRC ~
Both Ends Stepped and Threaded	Nut 1 pc.	Nut 1 pc.
With Round Flange Nut	BSYM	BSYMS
With Compact Flange Nut	BSYN	-
With Straight Nut	BSYS	BSYSS

Specifications

Part Number	-	L	-	F	-	E	-	B	-	S	-	P	-	Q	-	M	-	N
BSYS8 BSYS8G BSYS8L	- - -	250 250 250	- - -	F20 F20 F20	- - -	E20 E20 E20	- - -	B8 B8 B8	- - -	S8 S8 S8	- - -	P6 P6 P6	- - -	Q6 Q6 Q6	- - -	M6 M6 M6	- - -	N6 N6 N6

Alternative grease types available. For Days to Ship, Price and Performance, see >> P.340

■ Spline Shafts

Part Number		1mm Increment			P, Q Selection												M (Coarse) / N (Coarse) Selection (M≤P, N≤Q)										D	(Y)	Mass (kg/m)
Type	No.	L	F, E	B, S																								1-Nut Type
Type	No.	1-Nut Type	F, E	B, S																								min~max
BSYM BSYN BSYS BSYMS BSYSS	*6	60~400(190)	When P, Q=3 4≤F, E≤9 When P, Q=4 4≤F, E≤16 When P, Q≥5 4≤F, E≤P, Qx5 [ ! ] F, E≥B, S+2	When M, N=3 2≤B, S≤M, Nx3 When M, N=4 2≤B, S≤M, Nx4 When M, N≥5 2≤B, S≤M, Nx5 [ ! ] B • S≥Pitchx3+ ℓ [ ! ] For Stainless Steel materials,M, N≤B, S≤M, Nx3	3	4	5										3	4	5								6	52~392(182)	0.23
	*8	60~400(190)				4	5	6										4	5	6							8	52~392(182)	0.39
	*10	60~600(390)				4	5	6	8									4	5	6	8						10.4	52~592(382)	0.65
	*13	60~600(390)					5	6	8	10									5	6	8	10					13.4	52~592(382)	1.11
	*16	70~600(390)					5	6	8	10	12	13								6	8	10	12				16.6	62~592(382)	1.65
	20	80~700							8	10	12	13	15	16						6	8	10	12	16			20.6	72~692	2.57
	25	90~900							8	10	12	13	15	16	20					6	8	10	12	16	20		25.8	82~892	4.04
	30	100~1150								10	12	13	15	16	20	25					8	10	12	16	20	24	30.8	92~1142	5.85

[ ! ] For BSYMS and BSYSS, only * marked sizes are available, and the Max. L and Y dimensions are in ( ).
[ ! ] For BSYN, only No. 6, 8 and 10 are available.
■ Round Flange Nuts, Compact Flange Nuts

No.	D (h6)	L	Df	H	P.C.D.	d₁	d₂	h	W	d	B	Basic Rated Torque		Basic Load Rating		Allowable Static Moment		Mass (kg)
No.	D (h6)	L	Df	H	P.C.D.	d₁	d₂	h	W	d	B	Dynamic C_t (N • m)	Static C_0t (N • m)	Dynamic C (kN)	Static C₀ (kN)	M₀₁ (N • m)	M₀₂ (N • m)	Mass (kg)
6	14	25	30	6	22	3.5	6	3.1	6.5	1.5	18	3.8	7	1.2	2.1	5	36	0.03
8	16	25	32	6	24	3.5	6	3.1	6.5		21	4.8	8.7	1.2	2.1	5	36	0.04
10	21	40(33)	42(41)	6(8)	32(30)	4.5	8	4.4(5.3)	14(8.5)		25	19(11)	34(21)	3.8(2.4)	6.9(4.3)	26(15)	181(102)	0.09
13	24	44(36)	44(45)	7(8)	33(34)			4.4(5.3)	15(10)		-	28(20)	52(37)	4.6(3.3)	8.3(5.9)	36(22)	251(148)	0.11
16	31	50	51	7	40			4.4	18			51	93	6.2	11.1	56	386	0.2
20	35	63	58	9	45	5.5	9.5	5.4	22.5	2		85	154	8.5	15.3	83	611	0.3
25	42	71	65	9	52	5.5	9.5	5.4	26.5	2		193	348	15.4	27.7	173	1248	0.4
30	47	80	75	10	60	6.6	11	6.5	30	2.5		272	490	18.5	33.3	212	1581	0.57

Dimensions in ( ) are for EN 1.4125 Equiv. Allowable static moment M₀₁ is a value measured when a single nut is used, and M₀₂ is a value measured when two nuts are used.
■ Straight Nuts

No.	D (h6)	L	b		t (+0.05( 0	d	α	Basic Rated Torque		Basic Load Rating		Allowable Static Moment		Mass (kg)	Dimensions of Key (Included)
				Tolerance				Dynamic C_t (N • m)	Static C_0t (N • m)	Dynamic C (kN)	Static C₀ (kN)	M₀₁ (N • m)	M₀₂ (N • m)		B		h		L₁	R
																Tolerance		Tolerance
6	14	25	2.5	+0.014 0	1.2	1.5	15°	3.8	7	1.2	2.1	5	36	0.012	2.5	+0.016 +0.006	2.5	0 -0.025	10.5	1.25
8	16						25°	4.8	8.7	1.2	2.1	5	36	0.013					10.5
10	21	40(33)	3		1.5		-	19(11)	34(21)	3.8(2.4)	6.9(4.3)	26(15)	181(102)	0.06	3		3		17(14)	1.5
13	24	44(36)						28(20)	52(37)	4.6(3.3)	8.3(5.9)	36(22)	251(148)	0.07					17(14)
16	31	50	3.5	+0.018 0	2			51	93	6.2	11.1	56	386	0.15	3.5	+0.024 +0.012	3.5	0 -0.030	18	1.75
20	35	63	4		2.5	2		85	154	8.5	15.3	83	611	0.2	4		4		29	2
25	42	71						193	348	15.4	27.7	173	1248	0.29					33
30	47	80				2.5		272	490	18.5	33.3	212	1581	0.37					42

Dimensions in ( ) are for EN 1.4125 Equiv. Allowable static moment M₀₁ is a value measured when a single nut is used, and M₀₂ is a value measured when two nuts are used.

Alterations

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Part Number
BSYMS6-[60-190/1]-F[4-9/1]-E[4-9/1]-B[3-15/1]-S[3-25/1]-P[3,4,5]-Q[3,4,5]-M[3,4,5]-N[3,4,5]
BSYMS6L-[60-190/1]-F[4-9/1]-E[4-9/1]-B[3-15/1]-S[3-25/1]-P[3,4,5]-Q[3,4,5]-M[3,4,5]-N[3,4,5]
BSYMS8-[60-190/1]-F[4-30/1]-E[4-30/1]-B[4-18/1]-S[4-30/1]-P[4,5,6]-Q[4,5,6]-M[4,5,6]-N[4,5,6]
BSYMS8L-[60-190/1]-F[4-30/1]-E[4-30/1]-B[4-18/1]-S[4-30/1]-P[4,5,6]-Q[4,5,6]-M[4,5,6]-N[4,5,6]
BSYMS10-[60-390/1]-F[4-40/1]-E[4-40/1]-B[4-24/1]-S[4-40/1]-P[4,5,6,8]-Q[5,6,8]-M[4,5,6,8]-N[4,5,6,8]
BSYMS10L-[60-390/1]-F[4-40/1]-E[4-40/1]-B[4-24/1]-S[4-40/1]-P[4,5,6,8]-Q[5,6,8]-M[4,5,6,8]-N[4,5,6,8]
BSYMS13-[60-390/1]-F[4-50/1]-E[4-50/1]-B[5-30/1]-S[5-50/1]-P[5,6,8,10]-Q[5,6,8,10]-M[5,6,8,10]-N[5,6,8,10]
BSYMS13G-[60-390/1]-F[4-50/1]-E[4-50/1]-B[5-30/1]-S[5-50/1]-P[5,6,8,10]-Q[5,6,8,10]-M[5,6,8,10]-N[5,6,8,10]
BSYMS13L-[60-390/1]-F[4-50/1]-E[4-50/1]-B[5-30/1]-S[5-50/1]-P[5,6,8,10]-Q[5,6,8,10]-M[5,6,8,10]-N[5,6,8,10]
BSYMS16-[70-390/1]-F[4-65/1]-E[4-65/1]-B[5-39/1]-S[5-60/1]-P[5,6,8,10,12,13]-Q[5,6,8,10,12,13]-M[6,8,10,12]-N[6,8,10,12]
BSYMS16L-[70-390/1]-F[4-65/1]-E[4-65/1]-B[5-39/1]-S[5-60/1]-P[5,6,8,10,12,13]-Q[5,6,8,10,12,13]-M[6,8,10,12]-N[6,8,10,12]
BSYSS6-[60-190/1]-F[4-9/1]-E[4-9/1]-B[3-15/1]-S[3-15/1]-P[3,4,5]-Q[3,4,5]-M[3,4,5]-N[3,4,5]
BSYSS6L-[60-190/1]-F[4-9/1]-E[4-9/1]-B[3-15/1]-S[3-15/1]-P[3,4,5]-Q[3,4,5]-M[3,4,5]-N[3,4,5]
BSYSS8-[60-190/1]-F[4-30/1]-E[4-30/1]-B[4-18/1]-S[4-18/1]-P[4,5,6]-Q[4,5,6]-M[4,5,6]-N[4,5,6]
BSYSS8L-[60-190/1]-F[4-30/1]-E[4-30/1]-B[4-18/1]-S[4-18/1]-P[4,5,6]-Q[4,5,6]-M[4,5,6]-N[4,5,6]
BSYSS10-[60-390/1]-F[4-40/1]-E[4-40/1]-B[4-24/1]-S[4-24/1]-P[4,5,6,8]-Q[5,6,8]-M[4,5,6,8]-N[4,5,6,8]
BSYSS10L-[60-390/1]-F[4-40/1]-E[4-40/1]-B[4-24/1]-S[4-24/1]-P[4,5,6,8]-Q[5,6,8]-M[4,5,6,8]-N[4,5,6,8]
BSYSS13-[60-390/1]-F[4-50/1]-E[4-50/1]-B[5-30/1]-S[5-30/1]-P[5,6,8,10]-Q[5,6,8,10]-M[5,6,8,10]-N[5,6,8,10]
BSYSS13G-[60-390/1]-F[4-50/1]-E[4-50/1]-B[5-30/1]-S[5-30/1]-P[5,6,8,10]-Q[5,6,8,10]-M[5,6,8,10]-N[5,6,8,10]
BSYSS13L-[60-390/1]-F[4-50/1]-E[4-50/1]-B[5-30/1]-S[5-30/1]-P[5,6,8,10]-Q[5,6,8,10]-M[5,6,8,10]-N[5,6,8,10]
BSYSS16-[70-390/1]-F[4-65/1]-E[4-65/1]-B[5-39/1]-S[5-39/1]-P[5,6,8,10,12,13]-Q[5,6,8,10,12,13]-M[6,8,10,12]-N[6,8,10,12]
BSYSS16L-[70-390/1]-F[4-65/1]-E[4-65/1]-B[5-39/1]-S[5-39/1]-P[5,6,8,10,12,13]-Q[5,6,8,10,12,13]-M[6,8,10,12]-N[6,8,10,12]

Minimum order quantity	Standard Shipping Days ?	RoHS	Nut type	Shaft O.D. D (φ)	Shaft material	Nut Overall Length (mm)	Nut O.D. (φ)	Shaft Overall Length L (mm)	Basic Load Rating Dynamic Rating (N)	Allowable Torque (Nm)	Nut Material	Grease	B (mm)	E (mm)	F (mm)	M (mm)	N (mm)	P (mm)	Q (mm)	S (mm)
1	9 Days	10	[Flange Type] Round Flanged	6	EN 1.4125 Equiv.	25	14	60 ～ 190	1200	3.8	EN 1.4125 Equiv.	Standard (S2)	3 ～ 15	4 ～ 9	4 ～ 9	3 ～ 5	3 ～ 5	3 ～ 5	3 ～ 5	3 ～ 25
1	11 Days	10	[Flange Type] Round Flanged	6	EN 1.4125 Equiv.	25	14	60 ～ 190	1200	3.8	EN 1.4125 Equiv.	ET-100K	3 ～ 15	4 ～ 9	4 ～ 9	3 ～ 5	3 ～ 5	3 ～ 5	3 ～ 5	3 ～ 25
1	9 Days	10	[Flange Type] Round Flanged	8	EN 1.4125 Equiv.	25	16	60 ～ 190	1200	4.8	EN 1.4125 Equiv.	Standard (S2)	4 ～ 18	4 ～ 30	4 ～ 30	4 ～ 6	4 ～ 6	4 ～ 6	4 ～ 6	4 ～ 30
1	11 Days	10	[Flange Type] Round Flanged	8	EN 1.4125 Equiv.	25	16	60 ～ 190	1200	4.8	EN 1.4125 Equiv.	ET-100K	4 ～ 18	4 ～ 30	4 ～ 30	4 ～ 6	4 ～ 6	4 ～ 6	4 ～ 6	4 ～ 30
1	9 Days	10	[Flange Type] Round Flanged	10.4	EN 1.4125 Equiv.	33	21	60 ～ 390	2400	11	EN 1.4125 Equiv.	Standard (S2)	4 ～ 24	4 ～ 40	4 ～ 40	4 ～ 8	4 ～ 8	4 ～ 8	5 ～ 8	4 ～ 40
1	11 Days	10	[Flange Type] Round Flanged	10.4	EN 1.4125 Equiv.	33	21	60 ～ 390	2400	11	EN 1.4125 Equiv.	ET-100K	4 ～ 24	4 ～ 40	4 ～ 40	4 ～ 8	4 ～ 8	4 ～ 8	5 ～ 8	4 ～ 40
1	9 Days	10	[Flange Type] Round Flanged	13.4	EN 1.4125 Equiv.	36	24	60 ～ 390	3300	20	EN 1.4125 Equiv.	Standard (S2)	5 ～ 30	4 ～ 50	4 ～ 50	5 ～ 10	5 ～ 10	5 ～ 10	5 ～ 10	5 ～ 50
1	11 Days	10	[Flange Type] Round Flanged	13.4	EN 1.4125 Equiv.	36	24	60 ～ 390	3300	20	EN 1.4125 Equiv.	LG2	5 ～ 30	4 ～ 50	4 ～ 50	5 ～ 10	5 ～ 10	5 ～ 10	5 ～ 10	5 ～ 50
1	11 Days	10	[Flange Type] Round Flanged	13.4	EN 1.4125 Equiv.	36	24	60 ～ 390	3300	20	EN 1.4125 Equiv.	ET-100K	5 ～ 30	4 ～ 50	4 ～ 50	5 ～ 10	5 ～ 10	5 ～ 10	5 ～ 10	5 ～ 50
1	9 Days	10	[Flange Type] Round Flanged	16.6	EN 1.4125 Equiv.	50	31	70 ～ 390	6200	51	EN 1.4125 Equiv.	Standard (S2)	5 ～ 39	4 ～ 65	4 ～ 65	6 ～ 12	6 ～ 12	5 ～ 13	5 ～ 13	5 ～ 60
1	11 Days	10	[Flange Type] Round Flanged	16.6	EN 1.4125 Equiv.	50	31	70 ～ 390	6200	51	EN 1.4125 Equiv.	ET-100K	5 ～ 39	4 ～ 65	4 ～ 65	6 ～ 12	6 ～ 12	5 ～ 13	5 ～ 13	5 ～ 60
1	9 Days	10	Straight	6	EN 1.4125 Equiv.	25	14	60 ～ 190	1200	3.8	EN 1.4125 Equiv.	Standard (S2)	3 ～ 15	4 ～ 9	4 ～ 9	3 ～ 5	3 ～ 5	3 ～ 5	3 ～ 5	3 ～ 15
1	11 Days	10	Straight	6	EN 1.4125 Equiv.	25	14	60 ～ 190	1200	3.8	EN 1.4125 Equiv.	ET-100K	3 ～ 15	4 ～ 9	4 ～ 9	3 ～ 5	3 ～ 5	3 ～ 5	3 ～ 5	3 ～ 15
1	9 Days	10	Straight	8	EN 1.4125 Equiv.	25	16	60 ～ 190	1200	4.8	EN 1.4125 Equiv.	Standard (S2)	4 ～ 18	4 ～ 30	4 ～ 30	4 ～ 6	4 ～ 6	4 ～ 6	4 ～ 6	4 ～ 18
1	11 Days	10	Straight	8	EN 1.4125 Equiv.	25	16	60 ～ 190	1200	4.8	EN 1.4125 Equiv.	ET-100K	4 ～ 18	4 ～ 30	4 ～ 30	4 ～ 6	4 ～ 6	4 ～ 6	4 ～ 6	4 ～ 18
1	9 Days	10	Straight	10.4	EN 1.4125 Equiv.	33	21	60 ～ 390	2400	11	EN 1.4125 Equiv.	Standard (S2)	4 ～ 24	4 ～ 40	4 ～ 40	4 ～ 8	4 ～ 8	4 ～ 8	5 ～ 8	4 ～ 24
1	11 Days	10	Straight	10.4	EN 1.4125 Equiv.	33	21	60 ～ 390	2400	11	EN 1.4125 Equiv.	ET-100K	4 ～ 24	4 ～ 40	4 ～ 40	4 ～ 8	4 ～ 8	4 ～ 8	5 ～ 8	4 ～ 24
1	9 Days	10	Straight	13.4	EN 1.4125 Equiv.	36	24	60 ～ 390	3300	20	EN 1.4125 Equiv.	Standard (S2)	5 ～ 30	4 ～ 50	4 ～ 50	5 ～ 10	5 ～ 10	5 ～ 10	5 ～ 10	5 ～ 30
1	11 Days	10	Straight	13.4	EN 1.4125 Equiv.	36	24	60 ～ 390	3300	20	EN 1.4125 Equiv.	LG2	5 ～ 30	4 ～ 50	4 ～ 50	5 ～ 10	5 ～ 10	5 ～ 10	5 ～ 10	5 ～ 30
1	11 Days	10	Straight	13.4	EN 1.4125 Equiv.	36	24	60 ～ 390	3300	20	EN 1.4125 Equiv.	ET-100K	5 ～ 30	4 ～ 50	4 ～ 50	5 ～ 10	5 ～ 10	5 ～ 10	5 ～ 10	5 ～ 30
1	9 Days	10	Straight	16.6	EN 1.4125 Equiv.	50	31	70 ～ 390	6200	51	EN 1.4125 Equiv.	Standard (S2)	5 ～ 39	4 ～ 65	4 ～ 65	6 ～ 12	6 ～ 12	5 ～ 13	5 ～ 13	5 ～ 39
1	11 Days	10	Straight	16.6	EN 1.4125 Equiv.	50	31	70 ～ 390	6200	51	EN 1.4125 Equiv.	ET-100K	5 ～ 39	4 ～ 65	4 ～ 65	6 ～ 12	6 ～ 12	5 ～ 13	5 ～ 13	5 ～ 39

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Basic information

Shaft end shape (left)	Stepped and Threaded	Shaft end shape (right)	Stepped and Threaded	Type	Solid
Torque	Middle Torque	Number of nuts(pcs.)	1	Nut length	Standard
Preload	Standard	Accuracy Grade	Standard Grade	The circulation type of balls	1-fach