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Spline Shaft（Torque：Middle Torque）

A spline shaft is a mechanical component designed to transfer torque between two rotating parts while allowing for linear motion or axial displacement. It features a series of ridges or teeth, called splines, along its length. These splines mesh with corresponding grooves in a mating component, such as a gear or coupling, enabling efficient torque transmission while permitting movement along the shaft's axis. Spline shafts are commonly used in various applications requiring precise torque transmission and axial movement, including automotive transmissions, industrial machinery, robotics, and aerospace systems. They offer advantages such as improved power transmission efficiency, reduced backlash, and enhanced load-bearing capacity compared to other shaft coupling methods, making them essential components in many mechanical systems. To select a spline shaft from MISUMI, determine the required specifications such as length, diameter, spline type, material, and any additional features. Then, use MISUMI's online catalog or contact direct our MISUMI for assistance.

Nut Type

Key Provided Type
Flanged Type

11 items

: 30; 45; 60

Ball Splines - Both Ends Tapped

MISUMI

This is the least expensive ball spline suitable for fixation using shaft holders, etc., or for incorporating into plates. 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.

CAD ：

2D / 3D

Days to Ship: 8 Day(s) or more

"Same Day Ship Out" is available for item with 1 day
Ball Splines - Standard

MISUMI

This is the least expensive ball spline suitable for fixation using shaft holders, etc., or for incorporating into plates. 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.

CAD ：

2D / 3D

Days to Ship: 8 Day(s) or more

"Same Day Ship Out" is available for item with 1 day
Ball Splines - One End Stepped and Threaded, One End Tapped

MISUMI

A ball spline with a stepped male thread on one end and a female thread on the other 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.

CAD ：

2D / 3D

Days to Ship: 8 Day(s) or more

"Same Day Ship Out" is available for item with 1 day
Ball Splines - One End Tapped

MISUMI

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.

CAD ：

2D / 3D

Days to Ship: 8 Day(s) or more

"Same Day Ship Out" is available for item with 1 day
Ball Splines - Both Ends Stepped Tapped

MISUMI

ball spline with stepped female threads 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.
A dustproof seal is attached to the nut, so the ball will not fall off even if the spline shaft is removed.

CAD ：

2D / 3D

Days to Ship: 8 Day(s) or more

"Same Day Ship Out" is available for item with 1 day
Ball Splines - Both Ends Stepped

MISUMI

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.

CAD ：

2D / 3D

Days to Ship: 8 Day(s) or more

"Same Day Ship Out" is available for item with 1 day
Ball Splines - One End Stepped and Threaded

MISUMI

ball spline with a stepped male 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.

CAD ：

2D / 3D

Days to Ship: 8 Day(s) or more

"Same Day Ship Out" is available for item with 1 day
Medium-Torque Type, Flange Type Ball Spline, LF Type

THK

Utilizes a flange to fixate the housing using a bolt, which makes assembly easy. Ideal for housings with small widths or where there are concerns of deformation associated with machining key grooves into the housing.

CAD ：

2D / 3D

Days to Ship: 19 Day(s) or more

"Same Day Ship Out" is available for item with 1 day
Miniature Hexagonal Spline, Single Nut (HTK) / Double Nut (HTKW) Series

OZAK

Miniature size (hexagonal axes 3, 4, 5) is standardized.
[Features]
・ It achieves downsizing and weight reduction of machinery
・ The combination of resin nut (PPS resin) and stainless steel shaft (SUS304) has excellent corrosion resistance and can be used in a wide range of environments
・ Non-backlash specifications (W Series) are also available as standard products

CAD ：

2D

Days to Ship: 15 Day(s) or more

"Same Day Ship Out" is available for item with 1 day
Ball Splines - One End Stepped

MISUMI

A ball spline with a stepped surface 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.

CAD ：

2D / 3D

Days to Ship: 8 Day(s) or more

"Same Day Ship Out" is available for item with 1 day
Ball Splines - Both Ends Stepped and Threaded

MISUMI

A ball spline with stepped male threads 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.
A dustproof seal is attached to the nut, so the ball will not fall off even if the spline shaft is removed.

CAD ：

2D / 3D

Days to Ship: 8 Day(s) or more

"Same Day Ship Out" is available for item with 1 day

Days to Ship:	8 Day(s) or more

Days to Ship:	8 Day(s) or more

Days to Ship:	8 Day(s) or more

Days to Ship:	8 Day(s) or more

Days to Ship:	8 Day(s) or more

Days to Ship:	8 Day(s) or more

Days to Ship:	8 Day(s) or more

Days to Ship:	19 Day(s) or more

Days to Ship:	15 Day(s) or more

Days to Ship:	8 Day(s) or more

Days to Ship:	8 Day(s) or more


Brand
Product Series
CAD
Days to Ship
Nut Type
Spline Shaft Outer Dia. D(Ø)
Type
Nut Length
Nut Overall Length L1(mm)
Nut Outer Dia. D1(Ø)
Preload
Accuracy Grade
End Shape (Left)
End Shape (Right)
Torque
Shaft material
Number of Nuts(pc(s).)


Brand	MISUMI	MISUMI	MISUMI	MISUMI	MISUMI	MISUMI	MISUMI	THK	OZAK	MISUMI	MISUMI
Product Series	Ball Splines - Both Ends Tapped	Ball Splines - Standard	Ball Splines - One End Stepped and Threaded, One End Tapped	Ball Splines - One End Tapped	Ball Splines - Both Ends Stepped Tapped	Ball Splines - Both Ends Stepped	Ball Splines - One End Stepped and Threaded	Medium-Torque Type, Flange Type Ball Spline, LF Type	Miniature Hexagonal Spline, Single Nut (HTK) / Double Nut (HTKW) Series	Ball Splines - One End Stepped	Ball Splines - Both Ends Stepped and Threaded
CAD	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D	2D / 3D	2D / 3D
Days to Ship	8 Day(s) or more	8 Day(s) or more	8 Day(s) or more	8 Day(s) or more	8 Day(s) or more	8 Day(s) or more	8 Day(s) or more	19 Day(s) or more	15 Day(s) or more	8 Day(s) or more	8 Day(s) or more
Nut Type	Key Provided Type / Flanged Type	Key Provided Type / Flanged Type	Key Provided Type / Flanged Type	Key Provided Type / Flanged Type	Key Provided Type / Flanged Type	Key Provided Type / Flanged Type	Key Provided Type / Flanged Type	Flanged Type	Flanged Type	Key Provided Type / Flanged Type	Key Provided Type / Flanged Type
Spline Shaft Outer Dia. D(Ø)	6 ～ 30.8	6 ～ 30.8	6 ～ 30.8	6 ～ 30.8	8 ～ 30.8	6 ～ 30.8	6 ～ 30.8	-	-	6 ～ 30.8	6 ～ 30.8
Type	Solid	Solid	Solid	Solid	Solid	Solid	Solid	Solid / Hollow / Hollow (Thin)	Polygonal	Solid	Solid
Nut Length	Standard	Standard	Standard	Standard	Standard	Standard	Standard	Standard	Standard	Standard	Standard
Nut Overall Length L1(mm)	25 ～ 80	25 ～ 80	25 ～ 80	25 ～ 80	25 ～ 80	25 ～ 80	25 ～ 80	125	11.5 ～ 17.5	25 ～ 80	25 ～ 80
Nut Outer Dia. D1(Ø)	14 ～ 47	14 ～ 47	14 ～ 47	14 ～ 47	16 ～ 47	14 ～ 47	14 ～ 47	80	10	14 ～ 47	14 ～ 47
Preload	Standard	Standard	Standard	Standard	Standard	Standard	Standard	Standard / Light Preload / Medium Preload	Standard	Standard	Standard
Accuracy Grade	Standard Grade	Standard Grade	Standard Grade	Standard Grade	Standard Grade	Standard Grade	Standard Grade	Standard Grade / High Grade / Precision Grade	Standard Grade	Standard Grade	Standard Grade
End Shape (Left)	Tapped	Standard	Stepped and Threaded	Tapped	Stepped and Tapped	Stepped	Stepped and Threaded	Standard	Standard	Stepped	Stepped and Threaded
End Shape (Right)	Tapped	Standard	Tapped	Standard	Stepped and Tapped	Stepped	Standard	Standard	Standard	Standard	Stepped and Threaded
Torque	Middle Torque	Middle Torque	Middle Torque	Middle Torque	Middle Torque	Middle Torque	Middle Torque	Middle Torque	Middle Torque	Middle Torque	Middle Torque
Shaft material	SUS440C Equivalent / SUJ2 Equivalent	SUS440C Equivalent / SUJ2 Equivalent	SUS440C Equivalent / SUJ2 Equivalent	SUS440C Equivalent / SUJ2 Equivalent	SUS440C Equivalent / SUJ2 Equivalent	SCM415 Equivalent / SUS440C Equivalent	SUS440C Equivalent / SUJ2 Equivalent	-	SUS304	SUS440C Equivalent / SUJ2 Equivalent	SUS440C Equivalent / SUJ2 Equivalent
Number of Nuts(pc(s).)	-	1 ～ 2	-	-	-	-	-	1 ～ 5	-	-	-

Configure

Specification/Dimensions

Spline Shaft Outer Dia. D(Ø)
6

8

10

10.4

12

13

13.4

16

16.6

20

20.6

25

25.8

30

30.8
Clear

Type
- Solid
- Hollow
- Hollow (Thin)
- Polygonal
Clear

Nut Length
- Standard
- Long
Clear

Nut Overall Length L1(mm)
11.5

17.5

25

33

36

40

44

50

63

71

80

122

125
Clear

Nut Outer Dia. D1(Ø)
10

14

16

21

23

24

31

35

42

47

80
Clear

Preload
- Standard
- Light Preload
- Medium Preload
See the accuracy standard of each manufacturer.

Clear

Accuracy Grade
- Standard Grade
- High Grade
- Precision Grade
See the accuracy standard of each manufacturer.

Clear

End Shape (Left)
- Standard
- Tapped
- Stepped
- Stepped and Tapped
- Stepped and Threaded
Larger Image

Clear

End Shape (Right)
- Standard
- Tapped
- Stepped
- Stepped and Tapped
- Stepped and Threaded
Larger Image

Clear

Torque
- High Torque
- Middle Torque
Clear

Shaft material
- SCM415 Equivalent
- SUJ2
- SUS440C Equivalent
- SUS304
- SUJ2 Equivalent
Clear

Number of Nuts(pc(s).)
1

2

3

4

5
Clear

Narrow search by specifying Manufacturer

- MISUMI (9)
- Economy series (0)
- OZAK (1)
- THK (1)
- NSB (0)
- MIYOSHI KIKAI (0)
Clear

CAD

- 2D
- 3D
Clear

Days to Ship

All

4 Day(s) or Less

5 Day(s) or Less

8 Day(s) or Less

10 Day(s) or Less

11 Day(s) or Less

12 Day(s) or Less

13 Day(s) or Less

14 Day(s) or Less

15 Day(s) or Less

18 Day(s) or Less
Clear

How can we improve?

Spline Shaft（Torque：Middle Torque）

Nut Type

Configure

Specification/Dimensions

Spline Shaft Outer Dia. D(Ø)

Type

Nut Length

Nut Overall Length L1(mm)

Nut Outer Dia. D1(Ø)

Preload

Accuracy Grade

End Shape (Left)

End Shape (Right)

Torque

Shaft material

Number of Nuts(pc(s).)

Narrow search by specifying Manufacturer

CAD

Days to Ship

Related Categories to Spline Shaft

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