Ball screws / compact flange / diameter 15 / pitch 5, 10, 20 / C7, C10 / steel / phosphated / 58-62HRC

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MISUMI

BSSR,BSSRK,BSST,BSSZ,BSSZK

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Technical Information

Back to the Category Ball Screws

Technical Drawing - Ball Screws

Rolled Ball Screws/Thread Diameter 15/Lead 5,10 or 20:Related Image

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Available dimensions and tolerances can be found under the tab More information.

Basic Properties (e.g., material, hardness, coating, tolerance) - Ball Screws

Nut Type	Type		Accuracy Grade	Shaft Dia.	Lead	Screw Shaft			Nut
	Standard	F, P Configurable				Material	Hardness	Surface Treatment	Material	Hardness	Surface Treatment
Standard Nut	BSST	-	C7	15	5, 10, 20	EN 1.1203 Equiv.	Induction Hardened 56~62HRC	-	EN 1.7264 Equiv.	Carburized 58~62HRC	Phosphate Conversion Coating
	BSSR	BSSRK	C10		5, 10, 20			Phosphate Conversion Coating			Low Temperature Black Chrome

Further specifications can be found under the tab More information.

Composition of a Product Code - Ball Screws

Part Number	-	L	-	F	-	P
BSSZ1505	-	200
BSSZK1510	-	370	-	F20	-	P8
BSSR1520L	-	370	(L Type Greased)
BSSR1505G	-	370	(G Type Greased)

Alterations - Ball Screws

General Information - Ball Screws

Ball screw drive - ball screw drive, nut stop - ball screw drive, nut damper - ball screw drive, block shape - ball screw drive, nut mount

Ball Screw Selection Details

- Material: steel

- Coatings: uncoated, LTBC coating, phosphate conversion coating

- Heat treatment: up to 62HRC

- Precision category: C3, C5, C7, C10

- Precision classes: precision class, standard class

- Slope: 1 to 32 mm

- Outer diameter: 6 to 32 mm

- Length (mm): 100 to 2000

- Nut shape: round flange, square flange, compact flange, block shape

Description/Basics

Ball screws are intended for converting rotary motion to linear motion. This can also be done in reverse order from linear to rotary motion. With the ball screws, this is achieved extremely precisely due to their low play. In mechanical engineering, the ball thread drive is an indispensable feature and is indispensable in precision applications. These work in horizontal and vertical orientation, allowing to shift, raise and lower devices.
The ball screws are often driven by motors and shaft couplings, or manually via rotary/crank handles.
When utilising a keyway, it is recommended using a machine key, as these can be combined excellently due to the manufacturing tolerances.
For a smooth process, it is recommended installing the ball screw with a fixed bearing and a floating bearing. This ensures that the ball screw does not bend due to compression and generate vibrations. For this purpose, MISUMI offers the right support units drives in various designs. For more information on how to install ball screws, see the Installation Instructions available as a PDF.
Ball screw nuts are available in different shapes. These enable versatile utilisation, even in confined spaces. Due to their high precision, the ball screws can also provide a high level of repeatability that is necessary in precise positioning applications. These can be utilised, for example, for measuring devices or in 3D printing. It is recommended to use a pre-stressed ball screw for highly precise applications. Due to the pre-tensioning, the axial play is almost zero unlike a conventional ball screw. In addition, MISUMI offers single axis actuators (locating units) for such applications, which as drives are already equipped with precise ball screws.
In smaller applications, a slide screw or a so-called miniature screw drive can be used. Due to their design, these are very compact, but suitable for lower axial loads.
If very high forces occur, a lead screw could also be considered.
Which ball screw is the right one for your application must be calculated based on the existing factors and influences. You can use the selection Ball Screws that is available as a PDF for this purpose. You can also find the service life calculation in this link.

Overview of Screw Drives as PDF

Application Examples - Ball Screws

Application example for positioning stages
(1) Linear guide accessories, (2) Standard linear guide, (3) Table plate (meviy), (4) Ball screw, (5) Support units

Ball screw drive with bearing housing and damper - nut stop for ball screw drives - fixed bearings and floating bearings for ball screw drives

Application example for the ball screw
(1)) Support units, (2) Ball screw nut stops, (3) Ball screw, (4) Ball screw nut mountings

Lifting table and lifting device with ball screw drive - lifting table with rotary handle - lifting table with crank

Application example for a lifting device
(1) Ball screw, (2) Standard linear guide, (3) Support units, (4) Table top (meviy)

(1) Ball screw, (2) Standard linear guide, (3) Support units, (4) Table top (meviy)

Industrial Applications

3D printer industry

Automotive industry

Pharmaceutical industry

Packaging industry

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Part Number
BSSR1505-[150-1200/1]
BSSR1505G-[150-1200/1]
BSSR1505L-[150-1200/1]
BSSR1510-[200-1200/1]
BSSR1510G-[200-1200/1]
BSSR1510L-[200-1200/1]
BSSR1520-[200-1200/1]
BSSR1520G-[200-1200/1]
BSSR1520L-[200-1200/1]
BSSRK1505-[150-1200/1]-F[15-30/1]-P[6-10/1]
BSSRK1505G-[150-1200/1]-F[15-30/1]-P[6-10/1]
BSSRK1505L-[150-1200/1]-F[15-30/1]-P[6-10/1]
BSSRK1510-[200-1200/1]-F[15-30/1]-P[6-10/1]
BSSRK1510G-[200-1200/1]-F[15-30/1]-P[6-10/1]
BSSRK1510L-[200-1200/1]-F[15-30/1]-P[6-10/1]
BSSRK1520-[200-1200/1]-F[15-30/1]-P[6-10/1]
BSSRK1520G-[200-1200/1]-F[15-30/1]-P[6-10/1]
BSSRK1520L-[200-1200/1]-F[15-30/1]-P[6-10/1]
BSSZ1505-[150-1200/1]
BSSZ1505G-[150-1200/1]
BSSZ1505L-[150-1200/1]
BSSZ1510-[200-1200/1]
BSSZ1510G-[200-1200/1]
BSSZ1510L-[200-1200/1]
BSSZ1520-[200-1200/1]
BSSZ1520G-[200-1200/1]
BSSZ1520L-[200-1200/1]
BSSZK1505-[150-1200/1]-F[15-30/1]-P[6-10/1]
BSSZK1505G-[150-1200/1]-F[15-30/1]-P[6-10/1]
BSSZK1505L-[150-1200/1]-F[15-30/1]-P[6-10/1]
BSSZK1510-[200-1200/1]-F[15-30/1]-P[6-10/1]
BSSZK1510G-[200-1200/1]-F[15-30/1]-P[6-10/1]
BSSZK1510L-[200-1200/1]-F[15-30/1]-P[6-10/1]
BSSZK1520-[200-1200/1]-F[15-30/1]-P[6-10/1]
BSSZK1520G-[200-1200/1]-F[15-30/1]-P[6-10/1]
BSSZK1520L-[200-1200/1]-F[15-30/1]-P[6-10/1]

Minimum order quantity	Standard Shipping Days ?	RoHS	Accuracy Grade	Lead (mm)	Axial Play	Number of Circuits (Rows x Windings)	Shaft Overall Length L (mm)	Basic Load Rating Dynamic Rating (N)	Basic Load Rating Static Rating (N)	Grease Type	Shaft End Length F (mm)	Shaft Dia. P (Ø)	Screw Shaft Surface Treatment	Shaft End Dimension (Fixed, Configurable)	Shaft Dia. P (φ)
1	7 Days	10	C10	5	[0.10 or Less] 0.10 or Less	1 x 2.5	150 ～ 1200	5100	10500	Standard	15	10	Phosphate Coating	Stationary	-
1	9 Days	10	C10	5	[0.10 or Less] 0.10 or Less	1 x 2.5	150 ～ 1200	5100	10500	Type G	15	10	Phosphate Coating	Stationary	-
1	9 Days	10	C10	5	[0.10 or Less] 0.10 or Less	1 x 2.5	150 ～ 1200	5100	10500	Type L	15	10	Phosphate Coating	Stationary	-
1	7 Days	10	C10	10	[0.10 or Less] 0.10 or Less	1 x 2.5	200 ～ 1200	5100	10500	Standard	15	10	Phosphate Coating	Stationary	-
1	9 Days	10	C10	10	[0.10 or Less] 0.10 or Less	1 x 2.5	200 ～ 1200	5100	10500	Type G	15	10	Phosphate Coating	Stationary	-
1	9 Days	10	C10	10	[0.10 or Less] 0.10 or Less	1 x 2.5	200 ～ 1200	5100	10500	Type L	15	10	Phosphate Coating	Stationary	-
1	7 Days	10	C10	20	[0.10 or Less] 0.10 or Less	2 x 1.5	200 ～ 1200	5800	13300	Standard	15	10	Phosphate Coating	Stationary	-
1	9 Days	10	C10	20	[0.10 or Less] 0.10 or Less	2 x 1.5	200 ～ 1200	5800	13300	Type G	15	10	Phosphate Coating	Stationary	-
1	9 Days	10	C10	20	[0.10 or Less] 0.10 or Less	2 x 1.5	200 ～ 1200	5800	13300	Type L	15	10	Phosphate Coating	Stationary	-
1	7 Days	10	C10	5	[0.10 or Less] 0.10 or Less	1 x 2.5	150 ～ 1200	5100	10500	Standard	15 ～ 30	-	Phosphate Coating	Configuration	6 ～ 10
1	9 Days	10	C10	5	[0.10 or Less] 0.10 or Less	1 x 2.5	150 ～ 1200	5100	10500	Type G	15 ～ 30	-	Phosphate Coating	Configuration	6 ～ 10
1	9 Days	10	C10	5	[0.10 or Less] 0.10 or Less	1 x 2.5	150 ～ 1200	5100	10500	Type L	15 ～ 30	-	Phosphate Coating	Configuration	6 ～ 10
1	7 Days	10	C10	10	[0.10 or Less] 0.10 or Less	1 x 2.5	200 ～ 1200	5100	10500	Standard	15 ～ 30	-	Phosphate Coating	Configuration	6 ～ 10
1	9 Days	10	C10	10	[0.10 or Less] 0.10 or Less	1 x 2.5	200 ～ 1200	5100	10500	Type G	15 ～ 30	-	Phosphate Coating	Configuration	6 ～ 10
1	9 Days	10	C10	10	[0.10 or Less] 0.10 or Less	1 x 2.5	200 ～ 1200	5100	10500	Type L	15 ～ 30	-	Phosphate Coating	Configuration	6 ～ 10
1	7 Days	10	C10	20	[0.10 or Less] 0.10 or Less	2 x 1.5	200 ～ 1200	5800	13300	Standard	15 ～ 30	-	Phosphate Coating	Configuration	6 ～ 10
1	9 Days	10	C10	20	[0.10 or Less] 0.10 or Less	2 x 1.5	200 ～ 1200	5800	13300	Type G	15 ～ 30	-	Phosphate Coating	Configuration	6 ～ 10
1	9 Days	10	C10	20	[0.10 or Less] 0.10 or Less	2 x 1.5	200 ～ 1200	5800	13300	Type L	15 ～ 30	-	Phosphate Coating	Configuration	6 ～ 10
1	7 Days	10	C10	5	[0.10 or Less] 0.10 or Less	1 x 2.5	150 ～ 1200	5100	10500	Standard	15	10	Not Provided	Stationary	-
1	9 Days	10	C10	5	[0.10 or Less] 0.10 or Less	1 x 2.5	150 ～ 1200	5100	10500	Type G	15	10	Not Provided	Stationary	-
1	9 Days	10	C10	5	[0.10 or Less] 0.10 or Less	1 x 2.5	150 ～ 1200	5100	10500	Type L	15	10	Not Provided	Stationary	-
1	7 Days	10	C10	10	[0.10 or Less] 0.10 or Less	1 x 2.5	200 ～ 1200	5100	10500	Standard	15	10	Not Provided	Stationary	-
1	9 Days	10	C10	10	[0.10 or Less] 0.10 or Less	1 x 2.5	200 ～ 1200	5100	10500	Type G	15	10	Not Provided	Stationary	-
1	9 Days	10	C10	10	[0.10 or Less] 0.10 or Less	1 x 2.5	200 ～ 1200	5100	10500	Type L	15	10	Not Provided	Stationary	-
1	7 Days	10	C10	20	[0.10 or Less] 0.10 or Less	2 x 1.5	200 ～ 1200	5800	13300	Standard	15	10	Not Provided	Stationary	-
1	9 Days	10	C10	20	[0.10 or Less] 0.10 or Less	2 x 1.5	200 ～ 1200	5800	13300	Type G	15	10	Not Provided	Stationary	-
1	9 Days	10	C10	20	[0.10 or Less] 0.10 or Less	2 x 1.5	200 ～ 1200	5800	13300	Type L	15	10	Not Provided	Stationary	-
1	7 Days	10	C10	5	[0.10 or Less] 0.10 or Less	1 x 2.5	150 ～ 1200	5100	10500	Standard	15 ～ 30	-	Not Provided	Configuration	6 ～ 10
1	9 Days	10	C10	5	[0.10 or Less] 0.10 or Less	1 x 2.5	150 ～ 1200	5100	10500	Type G	15 ～ 30	-	Not Provided	Configuration	6 ～ 10
1	9 Days	10	C10	5	[0.10 or Less] 0.10 or Less	1 x 2.5	150 ～ 1200	5100	10500	Type L	15 ～ 30	-	Not Provided	Configuration	6 ～ 10
1	7 Days	10	C10	10	[0.10 or Less] 0.10 or Less	1 x 2.5	200 ～ 1200	5100	10500	Standard	15 ～ 30	-	Not Provided	Configuration	6 ～ 10
1	9 Days	10	C10	10	[0.10 or Less] 0.10 or Less	1 x 2.5	200 ～ 1200	5100	10500	Type G	15 ～ 30	-	Not Provided	Configuration	6 ～ 10
1	9 Days	10	C10	10	[0.10 or Less] 0.10 or Less	1 x 2.5	200 ～ 1200	5100	10500	Type L	15 ～ 30	-	Not Provided	Configuration	6 ～ 10
1	7 Days	10	C10	20	[0.10 or Less] 0.10 or Less	2 x 1.5	200 ～ 1200	5800	13300	Standard	15 ～ 30	-	Not Provided	Configuration	6 ～ 10
1	9 Days	10	C10	20	[0.10 or Less] 0.10 or Less	2 x 1.5	200 ～ 1200	5800	13300	Type G	15 ～ 30	-	Not Provided	Configuration	6 ～ 10
1	9 Days	10	C10	20	[0.10 or Less] 0.10 or Less	2 x 1.5	200 ～ 1200	5800	13300	Type L	15 ～ 30	-	Not Provided	Configuration	6 ～ 10

Back to the Category Ball Screws

Technical Drawing - Ball Screws

Open the technical drawing in the new window

Specification Table - Ball Screws

Nut
Type

Accuracy Grade

Part Number

1mm Increment

Ball Dia.

Ball Center Dia.

Screw Root Dia.

Number of Circuits

Basic Load Rating

Axial Play

Twisting Direction

Type

Screw Shaft O.D.

Lead

C (Dynamic) kN

Co (Static) kN

Standard
Nut

BSST

150~1200

L-67

3.175

15.8

(12.5)

2.5 turns, 1 row

5.1

10.5

0.03 or Less

Right

C10

BSSR

0.10 or Less

BSSZ

BSSRK

15~30

6~10

L-(52+F)

BSSZK

BSST

200~1200

L-67

0.03 or Less

C10

BSSR

0.10 or Less

BSSZ

BSSRK

15~30

6~10

L-(52+F)

BSSZK

BSST

200~1200

L-67

15.8

(12.5)

1.5 turns, 2 rows

5.8

13.3

0.03 or Less

C10

BSSR

0.10 or Less

BSSZ

BSSRK

15~30

6~10

L-(52+F)

BSSZK

* F and P are configurable for BSSRK and BSSZK only. F≤Px3 kgf=Nx0.101972

Alterations - Ball Screws

More Information

Caution: Do not let the nuts overrun or remove the nuts from the screw shafts.
It may cause the balls to fall out or damage the ball recirculation parts.
For accuracy of Rolled Ball Screws, see P.2223 and P.2224.
For Support Units, see P.753~P.778.
For Nut Brackets, see P.780.

Products homepage

Basic information

Type	Rolled	Nut Type	Standard Nuts	Screw Shaft O.D.(mm)	15
Preload	Not Preloaded	Conditions of Use	Standard	Twisting Direction	Right
Nut structure	1-fach	Circuit System	Tube Type	Nut Size	Standard

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The part number is completed.

Basic Attributes

Lead(mm)
5

10

20
Clear
Axial Play
- 0.030 or Less
- 0.10 or Less
  - 0.10 or Less
Clear
Number of Circuits(Rows x Windings)
- 2 x 1.5
- 1 x 2.5
Clear
Shaft Overall Length L(mm)
[150-1200/1mm Unit(s)]
Clear
Grease Type
- Standard
- Type G
- Type L
Clear
Shaft End Length F(mm)
15
[15-30/1mm Unit(s)]
Clear
Shaft Dia. P(Ø)
10
Clear
Screw Shaft Surface Treatment
- Not Provided
- Phosphate Coating
Clear
Shaft End Dimension (Fixed, Configurable)
- Configuration
- Stationary
Clear
Shaft Dia. P(φ)
[6-10/1φ Unit(s)]
Clear
Type
- BSSR1505
- BSSR1505G
- BSSR1505L
- BSSR1510
- BSSR1510G
- BSSR1510L
- BSSR1520
- BSSR1520G
- BSSR1520L
- BSSRK1505
- BSSRK1505G
- BSSRK1505L
- BSSRK1510
- BSSRK1510G
- BSSRK1510L
- BSSRK1520
- BSSRK1520G
- BSSRK1520L
- BSST1505
- BSST1505G
- BSST1505L
- BSST1510
- BSST1510G
- BSST1510L
- BSST1520
- BSST1520G
- BSST1520L
- BSSZ1505
- BSSZ1505G
- BSSZ1505L
- BSSZ1510
- BSSZ1510G
- BSSZ1510L
- BSSZ1520
- BSSZ1520G
- BSSZ1520L
- BSSZK1505
- BSSZK1505G
- BSSZK1505L
- BSSZK1510
- BSSZK1510G
- BSSZK1510L
- BSSZK1520
- BSSZK1520G
- BSSZK1520L
Clear
Accuracy Grade
- C7
- C10
Clear
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- 3D
Clear

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7 Days or Less

9 Days or Less
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Optional Attributes

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

Frequently Asked Questions (FAQ)

Question:
How do you mount a ball screw drive?: Answer:
A ball screw should be stored with a fixed bearing and a floating bearing. The fixed bearing should ideally be installed on the engine side or the drive side. Fixed bearing housings come already equipped with angular contact ball bearings to absorb axial forces. This combination makes ball screws an ideal candidate for positioning. However, a preloaded threaded drive should be selected for very high precision as it has very little axial play.
Question:
Why should a fixed and floating bearing be used?: Answer:
A fixed bearing housing is often used on the drive side. The floating bearing with housing, on the other hand, allows a small axial deviation and thus compensates for a change in length or a length tolerance. This prevents compression and bending of the ball screw and an imbalance through the length compensation. This may already occur by heating the spindle or application. Fixed and floating bearings are recommended in many rotary applications.
Question:
How does a ball screw work?: Answer:
A ball screw works similarly to a profile rail guide . In the nut of the ball screw, balls are in a closed ball circulation, which are guided to the spindle by the circular alignment. Thus, an unlimited stroke is theoretically possible, which, however, is limited by the length of the spindle. It is important to ensure that the nut of the ball screw is not removed from the spindle, because the balls can fall out as a result.
Question:
Why does the spindle oscillate in a ball screw drive?: Answer:
One possible cause for this could be that the ball screw is exposed to excessively high rotational speeds. The permissible rotational speed should not be higher than 80% of the critical speed. Here, attention should be paid not only to the visibly rotating components, but also to the rotational speed of the balls. Further information can be found in the ball screw driver selection as a PDF. Another possibility for the spindle to oscillate could be a compression of the spindle. Therefore, it is important to install a ball screw with a fixed bearing and a floating bearing so that these stresses can be compensated through a floating bearing. MISUMI offers this as ready-to-install bearing housings.
Question:
Is the ball screw nut removable?: Answer:
The ball screw nut or ball wrap nut should not be removed from the lead screw. There is a risk that the balls will fall out of the nut. This also means that the nut should not be extended over the threaded surface of the spindle. To remove the nut, you can work carefully with a transition shaft with the appropriate core diameter. However, MISUMI also offers an option [TAS] that provides a transition shaft with the ball screw drive. If a ball screw with reverse ball screw is required, the option [RLC] can be supplied with the ball screw nut installed in reverse.
Question:
Can you replace just the ball screw nut?: Answer:
A ball screw drive should always be replaced as one unit. If damage or wear has already occurred on the spindle, the accuracy of the ball screw drive can no longer be guaranteed. Therefore, it is always recommended replacing spindle and nut together. In addition, the ball screw nut should generally not be removed from the spindle. As a result, the balls that are necessary for the transmission of force may fall out.
Question:
How long does a ball screw lasts?: Answer:
How long a ball screw can withstand an application depends on many factors. Therefore, it is not possible to say generally how long a ball screw will last. When a ball screw should be replaced, it must be determined mathematically. In the following link, you will find the appropriate calculation formula for the lifetime available as a PDF.
Question:
How large is the axial play of a ball screw?: Answer:
The axial play varies depending on the precision class and size of the ball screw. You can find the appropriate axial play for different ball screws under the selection Ball Screws available as a PDF .
Question:
What must be considered when installing a ball screw?: Answer:
When installing a ball screw spindle, more must be taken into account than just ensuring that it is installed tension-free. There are a few things you should observe even before installation. You can view these as a PDF under Precautions.
Question:
Are the ball screws lubricated?: Answer:
The ball screws from MISUMI are pre-greased. Various lubricants are available for this purpose. Lithium-saponified lubricants are used as standard lubricants. In addition, MISUMI offers heat-resistant lubricants or lubricants suitable for cleanrooms. You can find further information under Installation and Maintenance available as a PDF.