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Ball Splines - One End Tapped (Part Numbers)

Ball Splines - One End Tapped

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ball spline with a female thread on one end. 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.
A dustproof seal is attached to the nut, so the ball will not fall off even if the spline shaft is removed.

(i)Caution

  • Please check the content on our website as the PDF does not contain the most up-to-date information.
One End TappedSpline 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 NutBSFMBSFMS
With Compact Flange NutBSFN-
With Straight NutBSFSBSFSS

Specifications

Part Number-L-M
BSFS10
BSFS10G
BSFS10L
-
-
-
350
350
350
-
-
-
M5
M5
M5
Alternative grease types available.
For Days to Ship, Price and Performance, see >>P.340
■Spline Shafts
Part NumberL 1mm IncrementM (Coarse) SelectionDMass
(kg/m)
TypeNo.1-Nut Type
BSFM
BSFN
BSFS
BSFMS
BSFSS
*660~400(190)3       60.23
*860~400(190)34      80.39
*1060~600(390)345     10.40.65
*1360~600(390) 456    13.41.11
*1670~600(390) 4568   16.61.65
2080~700  56810  20.62.57
2590~900  5681012 25.84.04
30100~1150   6810121630.85.85
[ ! ]For BSFMS and BSFSS, only * marked sizes are available, and the Max. L dimension is in ( ).
[ ! ]For BSFN, 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
Part NumberMinimum order quantityVolume DiscountDays to ShipRoHSNut Type Shaft Outer Dia. D
(Ø)
Nut Overall Length
(mm)
Nut O.D.
(Ø)
Shaft material Shaft Overall Length L
(mm)
Basic Load Rating: Dynamic Load
(N)
Allowable Torque
(N•m)
Nut Material Grease M
(mm)

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More Information

 

Basic Information

Type Solid Shaft Nut Length Standard Preload Standard
Accuracy Grade Standard Grade End Shape (Left) Tapped End Shape (Right) Standard
Torque Middle Torque Ball Recirculating Type Single

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