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Spline Shafts

Splines are parts that transmit power through the movement of interlocking grooved rotary shafts. Since splines transmit power by meshing together many tooth surfaces, they have superior load transmission ability and alignment relative to fasteners such as screws, pins, keys or mechanical locks. The main types of splines are square splines (with linear and parallel groove side surfaces), involute splines (with zig-zag tooth shapes in circular arrangements) and ball splines (that generate linear motion from rolling steel balls placed in the grooves). Splines that can transmit large torques are used in a variety of mechanisms such as automotive and high-speed rolling stock transmissions, propeller shafts, transportation equipment and machine tools. There are a wide range of applications, so an extensive lineup of product types and shapes are available.

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Ball Splines - Standard (MISUMI)

MISUMI

• Type: Solid
• Left End Shape: Standard
• Right End Shape: Standard
• Ball Recirculating Type: Single

Price reduced

Rapid Design

CAD Available in 2D and 3D
Configure Now

Ships as soon as 7 Days
Spline Nut DPM, DP, Stainless Steel (THK)

THK

The nut and shaft are sold separately. Use together with THK nuts and shafts (DPM, DP, SS). The shaft is cut with no surface treatment.

[Features]
· The spline nut DPM type / DP type is a low-priced bearing where a special alloy has been die cut with a high precision splint shaft as the core.
· Differs from conventional machine processed units, and has excellent abrasion resistance due to there still being the same chill layers that were formed on the sliding surface during the casting process.
· The spline shaft used in combination with this can be roll-pressed to machine harden the surface, and provide the surface with a mirror surface finish, to achieve smooth sliding.
· The spline cog has a special design with a large contact area and has concentricity that can automatically determine core when torque is incurred, so the torque...

CAD Available in 2D and 3D

Configure Now

Ships as soon as 4 Days
Ball Splines - Both Ends Tapped (MISUMI)

MISUMI

• Type: Solid
• Left End Shape: Tapped
• Right End Shape: Tapped
• Ball Recirculating Type: Single

Rapid Design

CAD Available in 2D and 3D
Configure Now

Ships as soon as 7 Days
New Products
Linear Ball Spline, Interchangeable Nut and Shaft Separate, LSAG Series (IKO)

IKO

The IKO Linear Ball Spline G is a linear motion rolling guide in which an external cylinder performs endless linear motion along a spline shaft. Since two rows of steel balls come in contact with the raceway surface at four points, stable accuracy and rigidity can be achieved, even in applications where load with variable direction and size, or complex load is applied. The linear ball spline is extremely compact, thanks to its simple structure.
Configure Now

Ships as soon as 4 Days
Ball Spline - Rotary Nut Type LTR (THK)

THK

A compact unit type where a support bearing has bee directly inserted into the outer periphery of the spline nut.

CAD Available in 2D and 3D

Configure Now

Ships as soon as 32 Days
Ball Spline - High Torque Flanged Type LBF (THK)

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 Available in 2D and 3D

Configure Now

Ships as soon as 32 Days
Ball Splines with Both Ends Stepped and Tapped (MISUMI)

MISUMI

For the customer who orders 5 pcs. or more for the same part number, the profitable and convenient volume discount rate is set up.

Rapid Design

CAD Available in 2D and 3D
Configure Now

Ships as soon as 7 Days
Needle Bearing Guide Sets (MISUMI)

MISUMI

• Type: Polygonal Shaft

Rapid Design

CAD Available in 2D and 3D
Configure Now

Ships as soon as 7 Days
Ball Spline - Compact Rotary Nut Type LTR-A (THK)

THK

The compact version of the LTR

CAD Available in 2D and 3D

Configure Now

Ships as soon as 32 Days
Ball Splines with One End Stepped (MISUMI)

MISUMI

For the customer who orders 5 pcs. or more for the same part number, the profitable and convenient volume discount rate is set up.

Rapid Design

CAD Available in 2D and 3D
Configure Now

Ships as soon as 7 Days
Ball Spline - Medium Torque Flanged Nut Type LF (THK)

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 Available in 2D and 3D

Configure Now

Ships as soon as 82 Days
Ball Splines - One End Tapped (MISUMI)

MISUMI

For the customer who orders 5 pcs. or more for the same part number, the profitable and convenient volume discount rate is set up.

Rapid Design

CAD Available in 2D and 3D
Configure Now

Ships as soon as 7 Days
Ball Spline - Medium Torque Cylindrical Nut Type LT (THK)

THK

The most compact type that is used while punching keys when the outer diameter of the spline nut transmits the torque in a straight cylindrical shape.

CAD Available in 2D and 3D

Configure Now

Ships as soon as 32 Days
Ball Spline - High Torque Square Nut Type LBH (THK)

THK

This rigid, square spline nut does not require a housing and can be assembled on the machine body as-is to achieve a compact, rigid linear guide part.

CAD Available in 2D and 3D

Configure Now

Ships as soon as 32 Days
Ball Spline - High Torque Cylindrical Nut Type LBS (THK)

THK

The most compact type that is used while punching keys when the outer diameter of the spline nut transmits the torque in a straight cylindrical shape.

CAD Available in 2D and 3D

Configure Now

Ships as soon as 32 Days
Ball Splines - Both Ends Stepped (MISUMI)

MISUMI

For the customer who orders 5 pcs. or more for the same part number, the profitable and convenient volume discount rate is set up.

Rapid Design

CAD Available in 2D and 3D
Configure Now

Ships as soon as 7 Days
NXO Slide (Miyoshi Machinery)

Miyoshi Machinery

• Type: Polygonal Shaft

Configure Now

Ships as soon as 9 Days
Ball Spline - Rotary Geared Type LBG (THK)

THK

This is a compact unit type where a gear has been machined into the LBR type flange outer peripheral part, and a radial and thrust needle bearing have been combined with the spline nut part.

CAD Available in 2D and 3D

Configure Now

Ships as soon as 32 Days
Ball Splines - One End Threaded, One End Stepped and Threaded, One End Tapped (MISUMI)

MISUMI

• Type: Solid
• Left End Shape: Stepped Threaded
• Right End Shape: Tapped
• Ball Recirculating Type: Single

Rapid Design

CAD Available in 2D and 3D
Configure Now

Ships as soon as 7 Days
Ball Splines - Both Ends Stepped and Threaded (MISUMI)

MISUMI

For the customer who orders 5 pcs. or more for the same part number, the profitable and convenient volume discount rate is set up.

Rapid Design

CAD Available in 2D and 3D
Configure Now

Ships as soon as 7 Days
Ball Spline - Rotary Geared Type with Thrust Raceway LBGT (THK)

THK

This is a compact unit type where a gear has been machined into the LBR type flange outer peripheral part, and a radial and thrust needle bearing have been combined with the spline nut part.

CAD Available in 2D and 3D

Configure Now

Ships as soon as 32 Days
Ball Spline - High Torque Cylindrical Long Nut Type LBST (THK)

THK

A heavy load type that uses a longer spline nut with the same outer diameter as the LBS type. Ideal for cases where overhand loads or moments are incurred or in cases where incurring large torque in areas with limited space.

CAD Available in 2D and 3D

Configure Now

Ships as soon as 32 Days
Ball Spline - High Torque Center Flanged Long Nut Type LBR (THK)

THK

A flange has been provided to the LBST type center part for heavy loads, which is ideal for locations that incur moments like industrial robot arms.

CAD Available in 2D and 3D

Configure Now

Ships as soon as 32 Days
Ball Splines with One End Stepped and Threaded (MISUMI)

MISUMI

For the customer who orders 5 pcs. or more for the same part number, the profitable and convenient volume discount rate is set up.

Rapid Design

CAD Available in 2D and 3D
Configure Now

Ships as soon as 7 Days

Ships as soon as	7 Days

Ships as soon as	4 Days

Ships as soon as	7 Days

Ships as soon as	4 Days

Ships as soon as	32 Days

Ships as soon as	32 Days

Ships as soon as	7 Days

Ships as soon as	7 Days

Ships as soon as	32 Days

Ships as soon as	7 Days

Ships as soon as	82 Days

Ships as soon as	7 Days

Ships as soon as	32 Days

Ships as soon as	32 Days

Ships as soon as	32 Days

Ships as soon as	7 Days

Ships as soon as	9 Days

Ships as soon as	32 Days

Ships as soon as	7 Days

Ships as soon as	7 Days

Ships as soon as	32 Days

Ships as soon as	32 Days

Ships as soon as	32 Days

Ships as soon as	7 Days


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

	Price reduced			New Products
Brand	MISUMI	THK	MISUMI	IKO	THK	THK	MISUMI	MISUMI	THK	MISUMI	THK	MISUMI	THK	THK	THK	MISUMI	Miyoshi Machinery	THK	MISUMI	MISUMI	THK	THK	THK	MISUMI
Product Series	Ball Splines - Standard (MISUMI)	Spline Nut DPM, DP, Stainless Steel (THK)	Ball Splines - Both Ends Tapped (MISUMI)	Linear Ball Spline, Interchangeable Nut and Shaft Separate, LSAG Series (IKO)	Ball Spline - Rotary Nut Type LTR (THK)	Ball Spline - High Torque Flanged Type LBF (THK)	Ball Splines with Both Ends Stepped and Tapped (MISUMI)	Needle Bearing Guide Sets (MISUMI)	Ball Spline - Compact Rotary Nut Type LTR-A (THK)	Ball Splines with One End Stepped (MISUMI)	Ball Spline - Medium Torque Flanged Nut Type LF (THK)	Ball Splines - One End Tapped (MISUMI)	Ball Spline - Medium Torque Cylindrical Nut Type LT (THK)	Ball Spline - High Torque Square Nut Type LBH (THK)	Ball Spline - High Torque Cylindrical Nut Type LBS (THK)	Ball Splines - Both Ends Stepped (MISUMI)	NXO Slide (Miyoshi Machinery)	Ball Spline - Rotary Geared Type LBG (THK)	Ball Splines - One End Threaded, One End Stepped and Threaded, One End Tapped (MISUMI)	Ball Splines - Both Ends Stepped and Threaded (MISUMI)	Ball Spline - Rotary Geared Type with Thrust Raceway LBGT (THK)	Ball Spline - High Torque Cylindrical Long Nut Type LBST (THK)	Ball Spline - High Torque Center Flanged Long Nut Type LBR (THK)	Ball Splines with One End Stepped and Threaded (MISUMI)
CAD	2D / 3D	2D / 3D	2D / 3D		2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D		2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D
Days to Ship	7 Days	4 Days	7 Days	4 Days	32 Days	32 Days	7 Days	7 Days	32 Days	7 Days	82 Days	7 Days	32 Days	32 Days	32 Days	7 Days	9 Days	32 Days	7 Days	7 Days	32 Days	32 Days	32 Days	7 Days
Specifications	Rapid Design		Rapid Design				Rapid Design	Rapid Design		Rapid Design		Rapid Design				Rapid Design			Rapid Design	Rapid Design				Rapid Design
Nut Type	Key Provided Type / Flanged Type	-	Key Provided Type / Flanged Type	Key Provided Type / Flanged Type	Rotary Type	Flanged Type	Key Provided Type / Flanged Type	-	Rotary Type	Key Provided Type / Flanged Type	Flanged Type	Key Provided Type / Flanged Type	Key Provided Type	Block Type	Key Provided Type	Key Provided Type / Flanged Type	-	Gear Provided Type	Key Provided Type / Flanged Type	Key Provided Type / Flanged Type	Gear Provided Type	Key Provided Type	Flanged Type	Key Provided Type / Flanged Type
End Shape (Left)	Standard	Standard	Tapped	Standard	Standard	Standard	Stepped Tapped	-	Standard	Stepped	Standard	Tapped	Standard	Standard	Standard	Stepped	-	Standard	Stepped Threaded	Stepped Threaded	Standard	Standard	Standard	Stepped Threaded
End Shape (Right)	Standard	Standard	Tapped	Standard	Standard	Standard	Stepped Tapped	-	Standard	Standard	Standard	Standard	Standard	Standard	Standard	Stepped	-	Standard	Tapped	Stepped Threaded	Standard	Standard	Standard	Standard
Type	Solid	Polygonal Shaft	Solid	Solid	Solid / Hollow / Hollow (Thin)	Solid / Hollow	Solid	Polygonal Shaft	Solid / Hollow / Hollow (Thin)	Solid	Solid / Hollow / Hollow (Thin)	Solid	Solid / Hollow / Hollow (Thin)	Solid / Hollow	Solid / Hollow	Solid	Polygonal Shaft	Solid / Hollow	Solid	Solid	Solid / Hollow	Solid / Hollow	Solid / Hollow	Solid
Spline Shaft O.D. D(Ø)	6 ～ 30.8	-	6 ～ 30.8	5 ～ 30	-	-	8 ～ 30.8	6 ～ 16	-	6 ～ 30.8	-	6 ～ 30.8	-	-	-	6 ～ 30.8	-	-	6 ～ 30.8	6 ～ 30.8	-	-	-	6 ～ 30.8
Torque	-	-	-	Medium Torque	High Torque	High Torque	-	-	High Torque	-	Medium Torque	-	Medium Torque	High Torque	High Torque	-	-	High Torque	-	-	High Torque	High Torque	High Torque	-
Material	SCM415 Alloy Steel (JIS) Equivalent / 440C Stainless Steel	-	SCM415 Alloy Steel (JIS) Equivalent / 440C Stainless Steel	-	-	-	SCM415 Alloy Steel (JIS) Equivalent / 440C Stainless Steel	-	-	SCM415 Alloy Steel (JIS) Equivalent / 440C Stainless Steel	-	SCM415 Alloy Steel (JIS) Equivalent / 440C Stainless Steel	-	-	-	SCM415 Alloy Steel (JIS) Equivalent / 440C Stainless Steel	-	-	SCM415 Alloy Steel (JIS) Equivalent / 440C Stainless Steel	SCM415 Alloy Steel (JIS) Equivalent / 440C Stainless Steel	-	-	-	SCM415 Alloy Steel (JIS) Equivalent / 440C Stainless Steel
Number of Nuts(pc(s).)	1 ～ 2	-	1 ～ 2	1	1 ～ 5	1 ～ 5	1	-	1 ～ 5	1 ～ 2	1 ～ 5	1	1 ～ 5	1 ～ 5	1 ～ 5	1	-	1 ～ 5	1 ～ 2	1	1 ～ 5	1 ～ 5	1 ～ 5	1
Nut Length	-	-	-	Standard / Long	Standard	Standard	-	-	Standard	-	Standard	-	Standard	Standard	Standard	-	-	Standard	-	-	Standard	Long	Long	-
Nut Overall Length L1(mm)	25 ～ 80	-	25 ～ 80	18 ～ 98	50 ～ 140	40 ～ 160	25 ～ 80	-	25 ～ 100	25 ～ 80	25 ～ 125	25 ～ 80	16 ～ 185	43 ～ 115	20 ～ 160	25 ～ 80	-	60 ～ 155	25 ～ 80	25 ～ 80	60 ～ 155	60 ～ 250	40 ～ 175	25 ～ 80
Nut O.D. D1(Ø)	14 ～ 47	-	14 ～ 47	10 ～ 45	52 ～ 134	23 ～ 135	16 ～ 47	-	32 ～ 100	14 ～ 47	14 ～ 80	14 ～ 47	10 ～ 150	-	12 ～ 140	14 ～ 47	-	30 ～ 120	14 ～ 47	14 ～ 47	30 ～ 120	30 ～ 205	25 ～ 140	14 ～ 47
Preload	-	-	-	Standard	Standard / Light Preload / Medium Preload	Standard / Light Preload / Medium Preload	-	-	Standard / Light Preload / Medium Preload	-	Standard / Light Preload / Medium Preload	-	Standard / Light Preload / Medium Preload	Standard / Light Preload / Medium Preload	Standard / Light Preload / Medium Preload	-	-	Standard / Light Preload / Medium Preload	-	-	Standard / Light Preload / Medium Preload	Standard / Light Preload / Medium Preload	Standard / Light Preload / Medium Preload	-
Accuracy Grade	-	-	-	High Grade	Standard Grade / High Grade / Precision Grade	Standard Grade / High Grade / Precision Grade	-	-	Standard Grade / High Grade / Precision Grade	-	Standard Grade / High Grade / Precision Grade	-	Standard Grade / High Grade / Precision Grade	Standard Grade / High Grade / Precision Grade	Standard Grade / High Grade / Precision Grade	-	-	Standard Grade / High Grade / Precision Grade	-	-	Standard Grade / High Grade / Precision Grade	Standard Grade / High Grade / Precision Grade	Standard Grade / High Grade / Precision Grade	-

Configure

Filters

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

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

Clear
Type
Clear
Metric / Inch
- metric
Clear
Spline Shaft O.D. D(Ø)
5

6

8

10

10.4

12

13.4

15

16

16.6

20

20.6

25

25.8

30

30.8
Clear
Torque
- High Torque
- Medium Torque
Clear
Material
- SCM415 Alloy Steel (JIS) Equivalent
- 440C Stainless Steel
Clear
Number of Nuts(pc(s).)
1

2

3

4

5
Clear
Nut Length
- Standard
- Long
Clear
Nut Overall Length L1(mm)
16

18

20

21

25

26

30

33

35

36

37

40

43

44

47

50

54

60

62

63

65

70

71

73

80

83

84

90

98

100

102

110

112

115

125

127

135

140

155

160

175

185

200

250
Clear
Nut O.D. D1(Ø)
10

12

14

15

16

19

21

23

24

25

30

31

32

35

36

37

40

42

45

47

48

52

56

57

60

62

64

66

70

75

78

80

85

90

95

100

115

120

134

135

140

150

160

205
Clear
Preload
- Standard
- Light Preload
- Medium Preload
See the precision standard of each manufacturer.

Clear
Accuracy Grade
See the precision standard of each manufacturer.

Clear

Brand

- MISUMI(10)
- C-Value()
Clear

CAD

- 2D
- 3D
Clear

Days to Ship

All

4 Days or Less

7 Days or Less

9 Days or Less

13 Days or Less

15 Days or Less

19 Days or Less

23 Days or Less

32 Days or Less

62 Days or Less

69 Days or Less
Clear

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Spline Shafts

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End Shape (Left)

End Shape (Right)

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Metric / Inch

Spline Shaft O.D. D(Ø)

Torque

Material

Number of Nuts(pc(s).)

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Nut O.D. D1(Ø)

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