Your Professional Linear Ball Screw Supplier
Xuxin Automation Co., Ltd. is a key subsidiary of Feihong Technology Automation Co., Ltd. Leveraging our parent company’s robust industrial resources and manufacturing expertise, we specialize in the R&D and production of core precision transmission components, including ball screws, linear bearings, and precision nuts.
As a National High-Tech Enterprise, Xuxin Automation operates a 13,000-square-meter modern production base.
With a professional team of over 100 experts and in-house R&D capabilities, we achieve an annual output value of 50M+ RMB.
Our facility is equipped with over 100 sets of advanced machinery, including 80+ CNC machine tools, precision grinding machines, and machining centers.
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1605 Ball NutThe 1605 ball nut SKA, as a benchmark product for precision transmission, achieves near-zero backlash transmission with its high-rigidity bearing steel material and precision manufacturing process,read more
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2005 Ball ScrewThe SCI 2005 ball screw is a classic precision transmission component with a flange-less internal circulation design.It supports product customization to meet various equipment conditions andread more
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Bearing Ball ScrewThe bearing ball screw DFI is a precision transmission component with an internal circulation double nut design.read more
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2010 Ball ScrewThe 2010 ball screw is a standardized precision component in the field of mechanical transmission.It supports product customization to meet various equipment conditions and installation requirements.read more
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1605 Ball ScrewThe 1605 ball screw is a core component in the field of modern precision transmission. With its innovative design and reliable performance, it has become an ideal choice for industrial automation andread more
|
Model No. |
Shaft diameter |
Lead (of a screw) |
Bead diameter |
Nut size |
Ball screw nut rated load |
Rigidity |
||||||||||
|
K |
||||||||||||||||
|
D |
A |
E |
B |
L |
W |
H |
X |
Q |
n |
Ca(kgf) |
C0a(kgf) |
kgf/μm |
||||
|
SFA1205-2.8 |
12 |
5 |
2.5 |
24 |
40 |
5 |
10 |
30 |
32 |
30 |
4.5 |
2.8×1 |
661 |
1316 |
19 |
|
|
SFA1210-2.8 |
10 |
2.5 |
24 |
40 |
5 |
10 |
42 |
32 |
30 |
4.5 |
2.8×1 |
642 |
1287 |
19 |
||
|
SFA1605-3.8 |
15 |
5 |
2.778 |
28 |
48 |
5 |
10 |
31 |
38 |
40 |
5.5 |
M6 |
3.8×1 |
1112 |
2507 |
30 |
|
SFA1610-2.8 |
10 |
2.778 |
28 |
48 |
5 |
10 |
42 |
38 |
40 |
5.5 |
M6 |
2.8×1 |
839 |
1821 |
23 |
|
|
SFA1616-2.8 |
16 |
2.778 |
28 |
48 |
5 |
10 |
43 |
38 |
40 |
5.5 |
M6 |
1.8×1 |
852 |
11137 |
14 |
|
|
SFA1616-2.8 |
16 |
2.778 |
28 |
48 |
5 |
10 |
59 |
38 |
40 |
5.5 |
M6 |
2.8×1 |
508 |
1769 |
22 |
|
|
SFA1620-1.8 |
20 |
2.778 |
28 |
48 |
5 |
10 |
50 |
38 |
40 |
5.5 |
M6 |
1.8×1 |
554 |
1170 |
14 |
|
|
SFA1630-1.8 |
30 |
2.778 |
28 |
48 |
7 |
10 |
70 |
38 |
40 |
5.5 |
M6 |
1.8×1 |
534 |
1195 |
14 |
|
|
SFA2005-3.8 |
20 |
5 |
3.175 |
36 |
58 |
7 |
10 |
33 |
47 |
44 |
6.6 |
M6 |
3.8×1 |
1494 |
3681 |
37 |
|
SFA2010-3.8 |
10 |
3.175 |
36 |
58 |
7 |
10 |
52 |
47 |
44 |
6.6 |
M6 |
3.8×1 |
1516 |
3833 |
40 |
|
|
SFA2020-2.8 |
20 |
3.175 |
36 |
58 |
7 |
10 |
52 |
47 |
44 |
6.6 |
M6 |
2.8×1 |
764 |
1758 |
19 |
|
|
SFA2020-1.8 |
20 |
3.175 |
36 |
58 |
7 |
10 |
72 |
47 |
44 |
6.6 |
M6 |
1.8×1 |
1110 |
2134 |
29 |
|
|
SFA2505-3.8 |
25 |
5 |
3.175 |
40 |
62 |
7 |
10 |
33 |
51 |
48 |
6.6 |
M6 |
3.8×1 |
1658 |
4658 |
43 |
|
SFA2510-3.8 |
10 |
3.175 |
40 |
62 |
7 |
12 |
52 |
51 |
48 |
6.6 |
M6 |
3.8×1 |
1638 |
4633 |
45 |
|
|
SFA2525-2.8 |
25 |
3.175 |
40 |
62 |
7 |
12 |
60 |
51 |
48 |
6.6 |
M6 |
2.8×1 |
843 |
2199 |
22 |
|
|
SFA2525-1.8 |
25 |
3.175 |
40 |
62 |
7 |
12 |
85 |
51 |
48 |
6.6 |
M6 |
1.8×1 |
1232 |
3421 |
34 |
|
|
SFA3205-3.8 |
32 |
5 |
3.175 |
50 |
80 |
9 |
12 |
35 |
65 |
62 |
9 |
M6 |
3.8×1 |
1839 |
6026 |
51 |
|
SFA3210-3.8 |
31 |
10 |
3.969 |
50 |
80 |
9 |
12 |
53 |
65 |
62 |
9 |
M6 |
3.8×1 |
2460 |
7255 |
55 |
|
SFA3220-2.8 |
20 |
3.969 |
50 |
80 |
9 |
12 |
72 |
65 |
62 |
9 |
M6 |
2.8×1 |
1907 |
5482 |
43 |
|
|
SFA3232-2.8 |
32 |
3.969 |
50 |
80 |
9 |
12 |
78 |
65 |
62 |
9 |
M6 |
1.8×1 |
1257 |
3426 |
27 |
|
|
SFA3232-2.8 |
32 |
3.969 |
50 |
80 |
9 |
12 |
110 |
65 |
62 |
9 |
M6 |
2.8×1 |
1838 |
5329 |
42 |
|
|
SFA4005-3.8 |
40 |
5 |
3.175 |
63 |
93 |
9 |
14 |
39 |
78 |
70 |
9 |
M8 |
3.8×1 |
2018 |
7589 |
60 |
|
SFA4010-3.8 |
38 |
10 |
6.35 |
63 |
93 |
9 |
14 |
57 |
78 |
70 |
9 |
M8 |
3.8×1 |
5035 |
15943 |
67 |
|
SFA4020-2.8 |
20 |
6.35 |
63 |
93 |
9 |
14 |
78 |
78 |
70 |
9 |
M8 |
2.8×1 |
3959 |
10715 |
54 |
|
|
SFA4040-1.8 |
40 |
6.35 |
63 |
93 |
9 |
14 |
96 |
78 |
70 |
9 |
M8 |
1.8×1 |
2585 |
6648 |
34 |
|
|
SFA4040-2.8 |
40 |
6.35 |
63 |
93 |
9 |
14 |
136 |
78 |
70 |
9 |
M8 |
2.8×1 |
3780 |
10341 |
52 |
|
|
SFA5005-3.8 |
50 |
5 |
3.175 |
75 |
110 |
10.5 |
15 |
42 |
93 |
85 |
11 |
M8 |
3.8×1 |
2207 |
9542 |
68 |
|
SFA5010-3.8 |
48 |
10 |
6.35 |
75 |
110 |
10.5 |
18 |
57 |
93 |
85 |
11 |
M8 |
3.8×1 |
5638 |
17852 |
79 |
|
SFA5020-3.8 |
20 |
6.35 |
75 |
110 |
10.5 |
18 |
99 |
93 |
85 |
11 |
M8 |
3.8×1 |
5749 |
18485 |
87 |
|
|
SFA5050-2.8 |
50 |
6.35 |
75 |
110 |
10.5 |
18 |
188 |
93 |
85 |
11 |
M8 |
1.8×1 |
2496 |
8749 |
42 |
|
|
SFA5050-2.8 |
50 |
6.35 |
75 |
110 |
10.5 |
18 |
167 |
93 |
85 |
11 |
M8 |
2.8×1 |
4308 |
13610 |
65 |
|
Key characteristics:
Uses rolling friction, not sliding friction
01
Offers very high efficiency (up to 90–95%)
02
Provides low backlash and high precision
03
Supports high speeds and heavy loads
04
Requires lubrication and a clean operating environment
05
Ball Screw Bearing Manufacturing Process: Cold Rolling VS Grinding
|
Manufacturing Process |
Cold Rolling |
Grinding |
|
Screw accuracy |
C7, C8, C10 |
C0, C3, C5 |
|
Processing technology |
Milling |
Fine grinding process |
|
Production cost |
Low price |
High manufacturing cost |
|
Surface smoothness |
Rough |
Smooth |
|
Carry out subsequent processing |
Yes |
No |
|
Application |
Applicable to construction, machinery, electrical appliances and other fields |
Instruments, meters, automobiles, medical and other fields |

Ball screw linear actuators are widely implemented across mission-critical sectors:
CNC Machining – For ultra-precise control in milling, drilling, and routing.
Industrial Automation – From pick-and-place systems to robotic arms, enabling accurate positioning.
Medical Equipment – Ensuring micro-level control in imaging and surgical systems.
Semiconductor Manufacturing – Providing cleanroom-compatible, high-resolution motion.
Aerospace & Automotive – Supporting dynamic testing and component prototyping with reliable motion control.

FAQ
We are one of the most experienced linear ball screw manufacturers and suppliers in China. Please rest assured to wholesale high quality linear ball screw for sale here from our factory. If you have any enquiry about customized service, please feel free to email us.
linear screw rail, screw linear actuator, Bearing Ball Screw