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Ball Splines Straight Nut (Part Numbers)

Ball Splines Straight Nut

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Check FAQ of this product (3 items)

MISUMI

MiSUMi Economy

MISUMI

(i)Caution

  • The positional relationships between the grooves of the spline shafts, the keyways and oil holes of the nuts, and all alterations (wrench slots, planes, etc.) in the 3D model are for reference only, and may differ from the actual situation.

Part Number

Configured Part Number is shown.

Product Overview of Spline Shaft

1. Spline Shaft rolls along the spherical groove using the steel ball inside the spline nut, allowing even a single-axis mechanism to perform linear motion while keeping the nut undeviated in the rotation direction.
2. Compared to the combination of guide shaft and linear bushing, Spline Shaft enables linear motion with high sensitivity and high precision, and can withstand higher loads.
3. Spline Shaft can safely transmit torque even under cantilever load and deliver high durability.

Product Features of Spline Shaft

1. Spline Shaft Shipping within 5 days after placing an order.
2. Drawing-based machining is no longer required, saving the time for design.
3. Spline Shaft length can be specified in 1mm increments.
4. Various alterations are available to meet different usage scenarios.
5. This product of Spline Shaft has a lower price compared to the MISUMI standard products (produced in Japan) and better performance compared to generic products on the market.

■We have professional testing equipment for guaranteed quality of Spline Shaft
Product Features

■For this product of Spline Shaft and Generic Products on the Market, we have conducted a service life comparison using a traveling tester.
→Test conditions of Spline Shaft:
Load: 50kgf
Speed: 40cm/S
Travel distance: 100km
Spline Shaft diameter: 8mm
→Test result of Spline Shaft:
Product Features
* Generic products of Spline Shaft on the market are similar products randomly purchased by our company from online or offline markets.
* The test data are obtained through testing by our company, which are for reference only.

Dimensional Drawing of Spline Shaft

Accuracy gradeSpline shaftNut
Type of Spline ShaftSpline Shaft MaterialSpline Shaft HardnessSpline Shaft Surface TreatmentTypeSpline Shaft MaterialSpline Shaft HardnessSpline Shaft Surface Treatment
Grade NSolidEquivalent to SUJ258HRC～－StraightEquivalent to SCR42058HRC～－

Product Drawings (Unit: mm)


Dimensional Drawing

Specification Table of Spline Shaft

Ordering Example
 
Spline ShaftType of Spline ShaftSpline ShaftDh8Spline ShaftL
1mm increments		D1 L1L2L3bH8hrtuBasic Rated TorqueBasic Load RatingStatic Allowable Moment
Dynamic Ct
(N·m)		Static C0t
(N·m)		Dynamic C
(kN)		Static C0
(kN)		M01
(N·m)		M02
(N·m)
Tolerance
E-BSSS860~300160
-0.027		2715.710.52.52.51.251.21.53.360.81.43.525.2
1060~400210
-0.033		332013331.51.513.323.82.63.99.585.3
1360~4002436231519.636.43.25.415124.6
1670~600310
-0.039		503417.53.53.51.752235.765.14.37.737.1260
2080~700355639.7294422.559.5107.85.910.755.3380
2590~900427150.3363135.1243.61015103.5685.9
30100~90047806042190.43431119.6148.4932.7

Dimensional Drawing

Dimensional Drawing

Related Products of Spline Shaft

■Ball Screws
Precision Ball Screws
Φ8Φ10Φ12Φ15Φ20Φ25
Related ProductsRelated ProductsRelated ProductsRelated ProductsRelated ProductsRelated Products
 
Rolled Ball Screws
Φ8Φ10Φ12Φ15Φ20Φ25
Related ProductsRelated ProductsRelated ProductsRelated ProductsRelated ProductsRelated Products

Precautions of Spline Shaft

■Precautions for Selection and Use of Spline Shaft
1. The relative positions of the grooves of Spline Shaft, the keyways and oil holes of straight nuts, and all the alterations (wrench flat, set screw flat, etc.) in the 3D model are for reference only and may differ from their actualpositions.
2. When re-inserting a nut into the Spline Shaft, be sure to insert it horizontally, otherwise the ball will fall off.
3. As resin parts are used inside the nuts, please use them at temperatures below 80℃.
4. Although the nuts are greased on the inside before leaving the factory, please re-grease them every 2~3 months or every 50km of traveling distance after receipt of the goods, otherwise their use will be impaired.
5. No guarantee is given for the noise level of this product.
6. No guarantee is given that the Spline Shaft or nuts of this product will fall freely.
7. This product is a machined type, so there will be knife patterns and color difference in its appearance. It is normal for the product to have some scratches or color changes. Please feel free to use.
8. The Spline Shaft is quenched, and annealed during machining.
  Due to the annealing treatment, the hardness of the machined part + area about 15 mm before and after the part may be reduced (see the following example). And the annealed section is out of the guaranteed range of outerdiameter dimensional tolerance.
  Subtract the size of the annealed section when calculating the stroke.
Precautions

Example Use of Spline Shaft

Brand Introduction of Spline Shaft

Since its establishment in 1963 in Japan, MISUMI Group Inc. has been providing customers with a wide range of high quality parts such as FA factory automation parts, mold parts, electronic parts, tools and consumables in a fast andaccurate manner. We have created a low-cost business model by compiling our own catalogs and establishing a marketing system to sell our products directly, and we continue to develop MISUMI branded products with a high level of qualityby developing an annual product plan based on customer feedback and requests. MISUMI established MISUMI Precision Machinery Co., Ltd. in China in June 2003, and then changed its name to MISUMI (China) Precision Machinery Trading Co.,Ltd. in June 2007, with its headquarters in Shanghai. Since the beginning of the stamping die standard parts business, the businesses of FA standard parts, plastic die standard parts and machining tools have been officially startedsuccessively, and the rapid development of MISUMI in China has won the full support of customers. China's manufacturing industry has unlimited prospects, which is why China's manufacturing industry market has become one of the mostcompetitive industries in the world. Thus was born MISUMI's business philosophy - the key to the future of manufacturing in China is cost competitiveness as well as "quality" and "time".

Part Number 

CAD Data download and 3D preview are not available because the part number has not yet been determined.

  • *In order to open the CAD Data download and 3D preview screen, the part number must be fixed.
  • Please confirm the part number from "Specification / Dimension"on the left side, and then perform the CAD Data Download / 3D Preview operation.
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CAD Download

30
60
90
  1. 1
Part Number
E-BSSS8
E-BSSS10
E-BSSS13
E-BSSS16-[70-600/1]
E-BSSS20
E-BSSS25
E-BSSS30
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipShaft Outer Dia. D
(Ø) 		Shaft Overall Length L
(mm)

1 IDR

1 Piece(s) 10 Day(s) 8-

1 IDR

1 Piece(s) 10 Day(s) 10-

1 IDR

1 Piece(s) 10 Day(s) 13-

-

1 Piece(s) 17 Day(s) 1670 ～ 600

1 IDR

1 Piece(s) 10 Day(s) 20-

1 IDR

1 Piece(s) 10 Day(s) 25-

1 IDR

1 Piece(s) 10 Day(s) 30-

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  1. 1
Dimensional Drawing
Dimensional Drawing
Specification Table
Ordering Example
 
TypeDh8L
1mm increments		D1 L1L2L3bH8hrtuBasic Rated TorqueBasic Load RatingStatic Allowable Moment
Dynamic Ct
(N·m)		Static C0t
(N·m)		Dynamic C
(kN)		Static C0
(kN)		M01
(N·m)		M02
(N·m)
Tolerance
E-BSSS860~300160
-0.027		2715.710.52.52.51.251.21.53.360.81.43.525.2
1060~400210
-0.033		332013331.51.513.323.82.63.99.585.3
1360~4002436231519.636.43.25.415124.6
1670~600310
-0.039		503417.53.53.51.752235.765.14.37.737.1260
2080~700355639.7294422.559.5107.85.910.755.3380
2590~900427150.3363135.1243.61015103.5685.9
30100~90047806042190.43431119.6148.4932.7
Material Specification
Accuracy gradeSpline shaftNut
Type Material Hardness Surface TreatmentType Material Hardness Surface Treatment
Grade NSolidEquivalent to SUJ258HRC～－StraightEquivalent to SCR42058HRC～－
Alterations
Dimensional Drawing
Dimensional Drawing

Basic Information

Nut Type Compact Flange Type Solid Shaft End Shape (Left) Standard
End Shape (Right) Standard Shaft material SUJ2 Equivalent Nut Material SCR420 Equivalent

Configure

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7 Part Numbers

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Configure Remaining Specifications
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Specification/Dimensions

  • type

    • E-BSSS

    Clear

  • Shaft Outer Dia. D(Ø)

    • 8
    • 10
    • 13
    • 16
    • 20
    • 25
    • 30

    Clear

  • Shaft Overall Length L(mm)

     [70-600/1mm Unit(s)]

    Clear

  • CAD

    • 2D
    • 3D

    Clear

Days to Ship

    • All
    • 10 Day(s) or Less
    • 17 Day(s) or Less

    Clear

Specify Alterations

Frequently asked question (FAQ)

Question: Do the 3D model on the official website and the actual product have the same positional relationships between the grooves of the spline shafts, the keyways and oil holes of the straight cylinder nuts, and all alterations (wrench slots, planes, etc.)?
Answer: They may be different.
Question: Can it be used only in high-temperature or special environments?
Answer: The ball spline uses resin parts. Please use it in environments below 80° C and avoid using it under high temperature conditions or in special environments.
Question: Can the nut be removed from the spline shaft?
Answer: As there is a retainer inside the nut, even if removed, the steel ball is less likely to fall. However, it is recommended not to remove it. If it must be removed, please be careful to prevent the steel ball from falling.

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