ball screws
Screw
Diameter
(mm)
Series Nut
Image
Type Available
Leads
(mm)
Screw
Accuracy
Max
Dynamic
Load
(kgf)
Max
Length
(mm)
Starting Price
(USD)
6 SFK Rolled 1 C5, C7 111 900 $101.00
8 SFK Rolled 1, 2, 2.5 C5, C7 221 1000 $113.00
BSH Rolled 2.5 C5, C7 189 1000 $130.00
10 CFA Ground 5, 10 C5 244 521 Call Us
SFK Rolled 2, 4 C5, C7 468 1500 $142.00
BSH Rolled 2, 4 C5, C7 400 1500 $137.00
12 CFA Ground 5, 10, 20, 30 C5 326 671 Call Us
SFK Rolled 2, 5 C5, C7 334 1500 $123.00
SFS Rolled 5, 10 C5, C7 661 1500 $130.00
SFV Rolled 5 C5, C7 661 1500 $182.00
BSH Rolled 4, 5 C5, C7 804 1500 $112.00
SFU Rolled 4 C5, C7 902 1500 $105.00
14 SFK Rolled 2 C5, C7 354 1500 $145.00
15 CFA Ground 5, 10, 20, 30 C5 557 1229 Call Us
SFS Rolled 5, 10, 16, 20 C5, C7 1112 3000 $96.00
DFS Rolled 5, 10 C5, C7 1112 3000 $245.00
Screw
Diameter
(mm)
Series Nut
Image
Type Available
Leads
(mm)
Screw
Accuracy
Max
Dynamic
Load
(kgf)
Max
Length
(mm)
Starting
At
16 SFI Rolled 5, 10 C5, C7 1380 3000 $86.00
SCI Rolled 4, 5 C5, C7 1380 3000 $99.00
SFY Rolled 16, 32 C5, C7 1568 3000 $148.00
SFV Rolled 4, 5, 10 C5, C7 1614 3000 $175.00
SFE Rolled 16 C5, C7 1021 3000 $147.00
DFV Rolled 4, 5, 10 C5, C7 1614 3000 $483.00
SFU Rolled 4, 5, 10 C5, C7 1380 3000 $85.00
DFI Rolled 5 C5, C7 1380 3000 $215.00
DFU Rolled 4, 5, 10 C5, C7 1380 3000 $215.00
20 SFI Rolled 4, 5 C5, C7 1551 3000 $120.00
SCI Rolled 4, 5 C5, C7 1551 3000 $103.00
CFA Ground 5, 10, 20, 30, 40, 60 C5 896 2335 Call Us
SFY Rolled 20, 40 C5, C7 2029 3000 $163.00
SFS Rolled 5, 10, 20 C5, C7 1863 3000 $106.00
SFV Rolled 4, 5 C5, C7 1814 3000 $198.00
SFE Rolled 20, 40 C5, C7 1321 3000 $163.00
BSH Rolled 5 C5, C7 1211 3000 $128.00
DFS Rolled 5, 10 C5, C7 1863 3000 $267.00
DFV Rolled 4, 5 C5, C7 1814 3000 $542.00
SFU Rolled 4, 5 C5, C7 1551 3000 $98.00
DFI Rolled 4, 5 C5, C7 1551 3000 $304.00
DFU Rolled 4 C5, C7 1066 3000 $299.00
Screw
Diameter
(mm)
Series Nut
Image
Type Available
Leads
(mm)
Screw
Accuracy
Max
Dynamic
Load
(kgf)
Max
Length
(mm)
Starting
At
25 SFI Rolled 4, 5, 10 C5, C7 2954 6000 $117.00
SCI Rolled 4, 5, 10 C5, C7 2954 6000 $113.00
CFA Ground 5, 10, 20, 25, 30, 50 C5 1305 2363 Call Us
SFY Rolled 25 C5, C7 3032 6000 $183.00
SFS Rolled 5, 10, 25 C5, C7 2015 6000 $116.00
SFV Rolled 5, 10 C5, C7 3466 6000 $209.00
SFE Rolled 25 C5, C7 1974 6000 $182.00
BSH Rolled 5 C5, C7 1724 6000 $129.00
DFS Rolled 5, 10 C5, C7 2015 6000 $290.00
DFV Rolled 5, 10 C5, C7 3466 6000 $569.00
SFU Rolled 4, 5, 10 C5, C7 2954 6000 $103.00
DFI Rolled 4, 5, 10 C5, C7 2954 6000 $294.00
DFU Rolled 4, 5, 10 C5, C7 2954 6000 $253.00
31-32 SFS Rolled 5, 10, 32 C5, C7 3015 6000 $162.00
DFS Rolled 5, 10, 20 C5, C7 3015 6000 $377.00
Screw
Diameter
(mm)
Series Nut
Image
Type Available
Leads
(mm)
Screw
Accuracy
Max
Dynamic
Load
(kgf)
Max
Length
(mm)
Starting
At
32 SFI Rolled 4, 5, 10 C5, C7 4805 6000 $170.00
SCI Rolled 5, 10 C5, C7 4805 6000 $152.00
SFY Rolled 32 C5, C7 4417 6000 $257.00
SFV Rolled 5, 10, 20 C5, C7 5620 6000 $275.00
SFE Rolled 32 C5, C7 2876 6000 $255.00
DFV Rolled 5, 10, 20 C5, C7 5620 6000 $723.00
SFU Rolled 4, 5, 10 C5, C7 4805 6000 $170.00
DFI Rolled 4, 5, 10 C5, C7 4805 6000 $402.00
DFU Rolled 4, 5, 10 C5, C7 4805 6000 $402.00
38-40 SFS Rolled 5, 10, 20, 40 C5, C7 5035 6000 $224.00
DFS Rolled 10, 20 C5, C7 5035 6000 $595.00
Screw
Diameter
(mm)
Series Nut
Image
Type Available
Leads
(mm)
Screw
Accuracy
Max
Dynamic
Load
(kgf)
Max
Length
(mm)
Starting
At
40 SFI Rolled 5, 10 C5, C7 5399 6000 $211.00
SCI Rolled 5, 10 C5, C7 5399 6000 $230.00
SFY Rolled 40 C5, C7 7065 6000 $343.00
SFV Rolled 5, 10, 20 C5, C7 6316 6000 $365.00
SFE Rolled 40 C5, C7 4600 6000 $340.00
DFV Rolled 5, 10, 20 C5, C7 6316 6000 $935.00
SFU Rolled 5, 10 C5, C7 5399 6000 $211.00
DFI Rolled 5, 10 C5, C7 5399 6000 $472.00
DFU Rolled 5, 10 C5, C7 5399 6000 $472.00
48-50 SFS Rolled 5, 10, 20, 50 C5, C7 5749 6000 $302.00
DFS Rolled 5, 20 C5, C7 5749 6000 $779.00
50 SFI Rolled 10 C5, C7 6004 6000 $325.00
SFY Rolled 50 C5, C7 10558 6000 $429.00
SFV Rolled 5 C5, C7 7336 6000 $451.00
SFE Rolled 50 C5, C7 6512 6000 $429.00
DFV Rolled 5 C5, C7 7336 6000 $1,098.00
SFU Rolled 10 C5, C7 6004 6000 $325.00
DFI Rolled 10 C5, C7 6004 6000 $720.00
DFU Rolled 10 C5, C7 6004 6000 $720.00
Screw
Diameter
(mm)
Series Nut
Image
Type Available
Leads
(mm)
Screw
Accuracy
Max
Dynamic
Load
(kgf)
Max
Length
(mm)
Starting
At
63 SFI Rolled 10 C5, C7 6719 7000 $685.00
SFV Rolled 10, 20 C5, C7 8162 7000 $946.00
DFV Rolled 20 C5, C7 8162 7000 $3,265.00
SFU Rolled 10, 20 C5, C7 11444 6000 $685.00
DFI Rolled 10 C5, C7 6719 7000 $1,479.00
DFU Rolled 10, 20 C5, C7 11444 7000 $1,479.00
80 SFI Rolled 10 C5, C7 7346 7000 $870.00
SFV Rolled 10, 20 C5, C7 22423 7000 $1,302.00
DFV Rolled 20 C5, C7 22423 7000 $4,967.00
SFU Rolled 10, 20 C5, C7 12911 6000 $870.00
DFI Rolled 20 C5, C7 7346 7000 $2,856.00
DFU Rolled 10, 20 C5, C7 12911 7000 $1,862.00


Frequently Asked Questions
What ambient conditions are needed for a ball screw?
Most ball screws can be used in ambient temperatures ranging from -4 to +194°F. It is possible to go up to 230°F by altering the material of the liners, which divert the balls from their track.

Are ball screws energy efficient?
Ball screws are energy efficient. Ball screw systems are able to achieve linear motion with average system efficiencies of 90%. This far exceeds linear actuators and screw jacks (generally 40% and 25%, respectively). In addition, ball screws are advantageous in that no energy is required while they are at a standstill, unlike with pneumatic and hydraulic systems, which require continued pressurization.

What is the lifetime of a ball screw?
The lifetime of ball screws varies based on the actual loads, rated loads, any shock loading, and the speed. If a target lifetime is specified, adjustments can be made to the features and sizing of the ball screw in order to achieve it.

What performance is possible with a ball screw?
Dynamic load ratings for industrial ball screws typically range from 1 to 150kN. In practice, however, operating factors will reduce these loads. Speed, load, and duty cycle effect performance and lifetime. Dynamic load ratings are based on 1,000,000 revolutions at that load. Linear speed depends on the rotation speed of the screw and the pitch of the screw (which is generally between 5 to 40mm). Linear speed of 2m/s can be achieved for light loads. Any and all loads should ideally be in-line with the screw, as radial loads are adverse to lifetime.

What is the difference between a ball screw and a lead screw?
The major difference between lead screws and ball screws is the way in which the load is carried. A ball screw uses recirculating ball bearings in order to minimize friction while, at the same time, maximizing efficiency. A lead screw, on the other hand, depends on low coefficients of friction between sliding surfaces rendering them unable to achieve the same level of efficiency as a ball screw. With applications requiring higher precision and performance, ball screws are used. An example of this would be a CNC machining center. Lead screws are most often used in OEM applications such as drilling machines.

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