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Ball Splines - Both Ends Stepped

Ball Splines - Both Ends Stepped

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ball spline with stepped edges on both ends. This standard enables highly accurate linear motion and rotational torque transmission. In addition, the contact area between the ball groove machined into the shaft and the steel ball is large, resulting in a large load capacity and long life. Even a single axis can be used as a linear motion guide, allowing for a compact design.

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Part Number

Configured Part Number is shown.

BSJS30-[100-1300/1]-F[2-125/1]-E[2-125/1]-P[10,​12,​13,​15,​16,​20,​25]-Q[10,​12,​13,​15,​16,​20,​25]

 
Both Ends SteppedSpline Shafts[ M ]SUJ2 Equivalent Nut
[ M ]SCM415 Equivalent[ H ]Hardness: 58HRC ~
Spline Shaft, Nut[ M ]Material: SUS440C Equivalent[ H ]Hardness: 55HRC ~
Nut 1 pc.Nut 1 pc.
With Round Flange NutBSJMBSJMS
With Compact Flange NutBSJN-
With Straight NutBSJSBSJSS

Specifications

Part Number-L-F-E-P-Q


BSJS8
BSJS8G
BSJS8L
-
-
-
300
300
300
-
-
-
F30
F30
F30
-
-
-
E20
E20
E20
-
-
-
P6
P6
P6
-
-
-
Q5
Q5
Q5
Alternative grease types available.
For Days to Ship, Price and Performance, see >> P.340
■Spline Shafts
Part Number1mm IncrementP, Q
Selection
D(Y)Mass
(kg/m)
TypeNo.LF, E1-Nut Type
1-Nut Typemin~max
BSJM
BSJN

BSJS
BSJMS
BSJSS
*660~400(190)When P, Q=3
2≤F, E≤9
When P, Q=4
2≤F, E≤16
When P, Q≥5
2≤F, E≤P, Qx5
345         656~396(186)0.23
*860~400(190) 456        856~396(186)0.39
*1060~600(390) 4568       10.456~596(386)0.65
*1360~600(390)  56810      13.456~596(386)1.11
*1670~600(390)  568101213    16.666~596(386)1.65
2080~700    81012131516  20.676~6962.57
2590~900    8101213151620 25.886~8964.04
30100~1150     1012131516202530.896~11465.85
[ ! ]For BSJMS and BSJSS, only * marked sizes are available, and the Max. L and Y dimensions are in ( ).
[ ! ]For BSJN, only No. 6, 8 and 10 are available.
■Round Flange Nuts, Compact Flange Nuts
No.D
(h6)
LDfHP.C.D.d1d2hWdBBasic Rated TorqueBasic Load RatingAllowable Static MomentMass
(kg)
Dynamic Ct
(N • m)
Static C0t
(N • m)
Dynamic C
(kN)
Static C0
(kN)
M01
(N • m)
M02
(N • m)
61425306223.563.16.51.5183.871.22.15360.03
8163224214.88.71.22.15360.04
102140(33)42(41)6(8)32(30)4.584.4(5.3)14(8.5)2519(11)34(21)3.8(2.4)6.9(4.3)26(15)181(102)0.09
132444(36)44(45)7(8)33(34)15(10)-28(20)52(37)4.6(3.3)8.3(5.9)36(22)251(148)0.11
163150517404.41851936.211.1563860.2
203563589455.59.55.422.52851548.515.3836110.3
254271655226.519334815.427.717312480.4
3047807510606.6116.5302.527249018.533.321215810.57
[ ! ]Dimensions in ( ) are for SUS440C Equivalent. [ ! ]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)
Lb t
(+0.05(
0
dαBasic Rated TorqueBasic Load RatingAllowable Static MomentMass
(kg)
Dimensions of Key (Included)
ToleranceDynamic Ct
(N • m)
Static C0t
(N • m)
Dynamic C
(kN)
Static C0
(kN)
M01
(N • m)
M02
(N • m)
B h L1R
ToleranceTolerance
614252.5+0.014
0
1.21.515°3.871.22.15360.0122.5+0.016
+0.006
2.50
-0.025
10.51.25
81625°4.88.71.22.15360.01310.5
102140(33)31.5-19(11)34(21)3.8(2.4)6.9(4.3)26(15)181(102)0.063317(14)1.5
132444(36)28(20)52(37)4.6(3.3)8.3(5.9)36(22)251(148)0.0717(14)
1631503.5+0.018
0
251936.211.1563860.153.5+0.024
+0.012
3.50
-0.030
181.75
20356342.52851548.515.3836110.244292
25427119334815.427.717312480.2933
3047802.527249018.533.321215810.3742
[ ! ]Dimensions in ( ) are for SUS440C Equivalent. [ ! ]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

Part Number 

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Part Number
BSJS30-[100-1300/1]-F[2-125/1]-E[2-125/1]-P[10,​12,​13,​15,​16,​20,​25]-Q[10,​12,​13,​15,​16,​20,​25]
Part NumberMinimum order quantityVolume DiscountDays to ShipRoHSShaft Overall Length L
(mm)
E
(mm)
F
(mm)
P
(mm)
Q
(mm)
1 Piece(s) 21 Day(s) or more 10100 ~ 13002 ~ 1252 ~ 12510 ~ 2510 ~ 25

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More Information

 

Basic Information

Nut Type Straight Shaft Outer Dia. D(Ø) 30.8 Type Solid Shaft
Nut Length Standard Nut Overall Length(mm) 80 Nut O.D.(Ø) 47
Preload Standard Accuracy Grade Standard Grade End Shape (Left) Stepped
End Shape (Right) Stepped Torque Middle Torque Shaft material SCM415 Equivalent
Basic Load Rating: Dynamic Load(N) 18500 Allowable Torque(N•m) 272 Ball Recirculating Type Single
Nut Material SCM415 Equivalent Grease Standard (S2)

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