What are the benefits of using a ball screw over a lead screw?

Ball screws offer higher efficiency, precision, and speed compared to lead screws. Ball screw have lower friction and can transfer higher loads with greater accuracy and repeatability. They require less power to operate and have longer lifespans.

How do you choose the right ball screw for your application?

To choose the right ball screw, you need to consider factors such as load capacity, speed, accuracy, and repeatability. You should also consider environmental conditions like temperature and humidity. It is recommended to consult with a ball screw supplier or engineer to ensure that the ball screw meets your application requirements.

How do you determine the load capacity of a ball screw?

The load capacity of a ball screw depends on factors such as screw diameter, lead, and the number of ball circuits. You can calculate the load capacity using manufacturer-provided formulas or consult with a ball screw supplier or engineer to determine the load capacity for your specific application.

How do you lubricate a ball screw?

Ball screws require lubrication to reduce friction and wear. The appropriate lubricant and lubrication method depends on the specific application and the type of ball screw. It is recommended to consult with the ball screw manufacturer or supplier to ensure that the right lubricant and lubrication method is used.

What are the maintenance requirements for ball screws?

Maintenance requirements for ball screws include regular inspection for signs of wear or damage, cleaning, and lubrication. It is essential to follow the manufacturer's recommendations and guidelines for maintenance to ensure the proper functioning and longevity of the ball screw.

How many types of ball screws are there, and what are their differences?

There are several types of ball screws, including ground ball screws, rolled ball screws, miniature ball screws, and large-diameter ball screws. The main differences between these types of ball screws are in their manufacturing methods, accuracy, load capacity, and application suitability. Consult with a ball screw supplier or engineer to determine the right type of ball screw for your specific application.

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Ball Screw（Page2）

Precision ball screws and rolled ball screws manufactured by MISUMI are available in extensive shaft diameters and precision grades.

[What is a ball screw?] It is a part that utilizes the principle of linear motion rolling bearings to convert rotary motion to linear motion or vice versa, and is mainly used for positioning and transportation.

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Specification/Dimensions

Screw Shaft O.D. d(Ø)
4

6

8

10

12

14

15

15(16)

16

18

20

25

28

32

36

40

45
Drawing

Clear

Product Type
Larger Image

Clear

Lead(mm)
1

2

4

5

6

8

10

12

15

16

20

24

25

30

32

36

40

50

60
Clear

Accuracy Grade
- C3
- C5
- C7
- C10
See the accuracy standard of each manufacturer.

Clear

Flange Shape
Larger Image

Clear

Axial End Type
- Standard Shaft End Alterations Item
Clear

Brand	(60) (20) MORIMOTO SHAFT (2) NSK (2) THK (29)
Filter By	All Sale Items
CAD	2D 3D
Days to Ship	All Same day 3 Day(s) or Less 4 Day(s) or Less 5 Day(s) or Less 6 Day(s) or Less Others

93 items

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: 30; 60; 90

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Shaft Tip Complete Product Precision Ball Screw (BNK Type), Shaft Diameter: 14, Lead: 2

THK

Because the shaft ends are complete, no drawing and machining are necessary and the product can be used as-is.
[Features]
· The product with finished shaft ends is a standardized ball screw unit with a space-saving screw shaft and ball screw nut.
· The screw shaft is standardized with the shaft ends to fit the support unit. The mount type is fixed-supported, and forms a direct structure with the motor.
· The screw shaft and ball screw nut shape feature a compact design. The parts can be assembled in the same shape when used with a support unit or nut bracket, creating a simple and high-accuracy feed mechanism.
[Dust-Proofing and Lubrication]
· An appropriate amount of grease is enclosed in ball screw nuts.
· In addition, for cases where contaminants are a concern, dust-proof equipment (bellows, etc.) must always be used to completely cover the screw shafts.
· A ball screw standardized with screw shaft diameter ø4 to 25 mm and lead 1 to 20 mm.

From: ฿ 9,789.00
Days to Ship: 5 Day(s)

5 Day(s)

Compare

Shaft Tip Complete Product Precision Ball Screw (BNK Type), Shaft Diameter: 15, Lead: 20

THK

Because the shaft ends are complete, no drawing and machining are necessary and the product can be used as-is.
[Features]
· The product with finished shaft ends is a standardized ball screw unit with a space-saving screw shaft and ball screw nut.
· The screw shaft is standardized with the shaft ends to fit the support unit. The mount type is fixed-supported, and forms a direct structure with the motor.
· The screw shaft and ball screw nut shape feature a compact design. The parts can be assembled in the same shape when used with a support unit or nut bracket, creating a simple and high-accuracy feed mechanism.
· An appropriate amount of grease is enclosed in ball screw nuts.
· In addition, for cases where contaminants are a concern, dust-proof equipment (bellows, etc.) must always be used to completely cover the screw shafts.
· A ball screw standardized with screw shaft diameter ø4 to 25 mm and lead 1 to 20 mm.

From: ฿ 13,678.00
Days to Ship: 5 Day(s)

5 Day(s)

Compare

Precision Ball Screw, Shaft End finished product (BNK Shape), Shaft Diameter 14, Lead 8

THK

Because the shaft tips are complete, no drawing and machinery are necessary and the product can be used as is.

[Features]
· The machined screw shaft tip product is standardized ball screw unit with a space saving screw shaft and ball screw nut.
· The screw shaft is standardized with a support unit for the screw tip terminal. When using a BNK0401, 0501, or 0601 mount shape, screws not set as fixed - free are considered fixed - support, and form a direct structure with the motor.
· The screw shaft and ball screw nut shape feature a compact design. In addition, these parts can be assembled in the same shape when used with a support unit or nut bracket, creating a simple and high accuracy feed mechanism.

From: ฿ 13,402.00
Days to Ship: 5 Day(s)

5 Day(s)


Brand
Product Series
CAD
From
Days to Ship
Screw Shaft O.D. d(Ø)
Product Type
Lead(mm)
Accuracy Grade
Flange Shape
Axial End Type

	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare
Brand	THK	THK	THK
Product Series	Shaft Tip Complete Product Precision Ball Screw (BNK Type), Shaft Diameter: 14, Lead: 2	Shaft Tip Complete Product Precision Ball Screw (BNK Type), Shaft Diameter: 15, Lead: 20	Precision Ball Screw, Shaft End finished product (BNK Shape), Shaft Diameter 14, Lead 8
CAD	2D / 3D	2D / 3D	2D / 3D
From	฿ 9,789.00	฿ 13,678.00	฿ 13,402.00
Days to Ship	5 Day(s)	5 Day(s)	5 Day(s)
Screw Shaft O.D. d(Ø)	14	15	14
Product Type	Precision Ball Screw	Precision Ball Screw	Precision Ball Screw
Lead(mm)	2	20	8
Accuracy Grade	C3 / C5 / C7	C5 / C7	C5 / C7
Flange Shape	Round Shape, 2 Set Screw Flats at both ends	Square Shape	Square Shape
Axial End Type	-	-	-

Application example related to this category

High Accuracy XY Table Unit

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Related Categories to Ball Screw

FAQ Ball screw

Question: What are the benefits of using a ball screw over a lead screw?: Answer: Ball screws offer higher efficiency, precision, and speed compared to lead screws. Ball screw have lower friction and can transfer higher loads with greater accuracy and repeatability. They require less power to operate and have longer lifespans.
Question: How do you choose the right ball screw for your application?: Answer: To choose the right ball screw, you need to consider factors such as load capacity, speed, accuracy, and repeatability. You should also consider environmental conditions like temperature and humidity. It is recommended to consult with a ball screw supplier or engineer to ensure that the ball screw meets your application requirements.
Question: How do you determine the load capacity of a ball screw?: Answer: The load capacity of a ball screw depends on factors such as screw diameter, lead, and the number of ball circuits. You can calculate the load capacity using manufacturer-provided formulas or consult with a ball screw supplier or engineer to determine the load capacity for your specific application.
Question: How do you lubricate a ball screw?: Answer: Ball screws require lubrication to reduce friction and wear. The appropriate lubricant and lubrication method depends on the specific application and the type of ball screw. It is recommended to consult with the ball screw manufacturer or supplier to ensure that the right lubricant and lubrication method is used.
Question: What are the maintenance requirements for ball screws?: Answer: Maintenance requirements for ball screws include regular inspection for signs of wear or damage, cleaning, and lubrication. It is essential to follow the manufacturer's recommendations and guidelines for maintenance to ensure the proper functioning and longevity of the ball screw.
Question: How many types of ball screws are there, and what are their differences?: Answer: There are several types of ball screws, including ground ball screws, rolled ball screws, miniature ball screws, and large-diameter ball screws. The main differences between these types of ball screws are in their manufacturing methods, accuracy, load capacity, and application suitability. Consult with a ball screw supplier or engineer to determine the right type of ball screw for your specific application.