Details
FKFF series ball screw end support bearings have C5 and C7 levels of accuracy, with C5 positioning accuracy of ±0.05mm and repeatability of ±0.01 - ±0.02mm, making them suitable for use in precision equipment such as CNC machine tools. After the surface penetration blackening treatment, excellent anti-corrosion performance, durability is greatly enhanced. The material is made of high quality alloy steel, which is rigid and able to withstand large axial and radial loads and run stably. Smooth ball circulation, transmission efficiency of more than 90%, energy-saving effect is remarkable. Convenient installation, the size of the industry standard, can be quickly adapted to various types of equipment.
Product Features
FK FFBall Screw End Support Bearings Core Characteristics
Ultra-High Precision Positioning and Retention
Employing precision grinding processes, mounting surface roughness ≤0.8μm, repeat positioning accuracy ±0.002mm, compatible with high-precision equipment; special design ensures long-term accuracy decay rate below 5%.
High Rigidity and Load Capacity
Optimised angular contact bearing configuration + reinforced housing withstand radial/axial combined loads whilst maintaining stability under heavy duty conditions; key components undergo carburising and quenching (HRC58-62), extending service life by 30%+ compared to conventional products.
Low-friction High-speed Operation
Precision-matched design minimises resistance, achieving friction coefficient ≤0.0015 with maximum rotational speed of 10,000rpm; Noise ≤55dB, deformation ≤0.001mm at 10°C temperature rise, ensuring high-speed stability.
Modular Convenient Adaptability
Standardised interfaces compatible with mainstream 16-80mm ball screws, supporting flange-mounted, base-mounted and other installation methods; customisable interfaces enable rapid replacement without equipment modification.
Durability in Harsh Environments
Designed for complex industrial conditions with multi-layered protection: multi-coat rust-proof surface treatment withstands over 48 hours salt spray testing without corrosion, effectively resisting moisture-induced component degradation. Integrated contact seals within bearings + dust covers prevent ingress of debris and particles, reducing internal wear and extending maintenance intervals.
Convenient maintenance and full lifecycle support
Replaceable wear parts without dismantling equipment, supplied with installation tools and maintenance manuals. Offers selection guidance and maintenance plans tailored to equipment specifications.
|
Product Name |
Ball screw end support bearings |
|
Material |
45#, bearing steel |
|
Application |
Machine tools, automation equipment, aerospace, military, semiconductor manufacturing, medical equipment and precision measuring instruments. |
|
Specification |
FKFF10, FKFF12, FKFF15, FKFF20, FKFF25, FKFF30 |
|
Precision |
C5, C7 |
|
Packaging |
Plastic bag in box or wooden case. |
|
Delivery Time |
According to customer requirements. |
Specification Parameters
|
Type |
d1 |
L |
H |
F |
E |
Dg6 |
A |
PCD |
B |
L1 |
T1 |
X |
Y |
Z |
|
FK 5 |
5 |
16.5 |
6 |
10.5 |
18.5 |
20 |
34 |
26 |
26 |
5.5 |
3.5 |
3.4 |
6.5 |
4 |
|
FK 6 |
6 |
20 |
7 |
13 |
22 |
22 |
36 |
28 |
28 |
5.5 |
3.5 |
3.4 |
6.5 |
4 |
|
FK 8 |
8 |
23 |
9 |
14 |
26 |
28 |
43 |
35 |
35 |
7 |
4 |
3.4 |
6.5 |
4 |
|
FK 10 |
10 |
27 |
10 |
17 |
29.5 |
34 |
52 |
42 |
42 |
7.5 |
5 |
4.5 |
8 |
4 |
|
FK 12 |
12 |
27 |
10 |
17 |
29.5 |
36 |
54 |
44 |
44 |
7.5 |
5 |
4.5 |
8 |
4 |
|
FK 15 |
15 |
32 |
15 |
17 |
36 |
40 |
63 |
50 |
52 |
10 |
6 |
5.5 |
9.5 |
6 |
|
FK 17 |
17 |
45 |
22 |
23 |
47 |
50 |
77 |
62 |
61 |
11 |
9 |
6.6 |
11 |
10 |
|
FK 20 |
20 |
52 |
22 |
30 |
50 |
57 |
85 |
70 |
68 |
8 |
10 |
6.6 |
11 |
10 |
|
FK 25 |
25 |
57 |
27 |
30 |
60 |
63 |
98 |
80 |
79 |
13 |
10 |
9 |
15 |
13 |
|
FK 30 |
30 |
62 |
30 |
32 |
61 |
75 |
117 |
95 |
93 |
11 |
12 |
11 |
1Z.5 |
15 |
|
Type |
d1 |
L |
H |
F |
Dg6 |
A |
PCD |
B |
X |
Y |
Z |
|
FF 6 |
6 |
10 |
6 |
4 |
22 |
36 |
28 |
28 |
3.4 |
6.5 |
4 |
|
FF 10 |
8 |
12 |
7 |
5 |
28 |
43 |
35 |
35 |
3.4 |
6.5 |
4 |
|
FF 12 |
10 |
15 |
7 |
8 |
34 |
52 |
42 |
42 |
4.5 |
8 |
4 |
|
FF 15 |
15 |
17 |
9 |
8 |
40 |
63 |
50 |
52 |
5.5 |
9.5 |
5.5 |
|
FF 17 |
17 |
20 |
11 |
9 |
50 |
77 |
62 |
61 |
6.6 |
11 |
6.5 |
|
FF 20 |
20 |
20 |
11 |
9 |
57 |
85 |
70 |
68 |
6.6 |
11 |
6.5 |
|
FF 25 |
25 |
24 |
14 |
10 |
63 |
98 |
80 |
79 |
9 |
14 |
8.5 |
|
FF 30 |
30 |
27 |
18 |
9 |
75 |
117 |
95 |
93 |
11 |
17.5 |
11 |
Product Display
Scenario Application
Applications of Ball Screw End Support Bearings
Precision CNC Machine Tools
Addressing the high-precision demands of metal cutting and mould machining, these supports deliver ±0.002mm repeatability and exceptional rigidity. They provide stable foundation for feed systems in vertical machining centres, horizontal lathes, and five-axis machines, ensuring precise spindle and turret positioning while mitigating positioning errors that compromise machining quality.
Industrial Automation Equipment Sector
Addressing the 'high-efficiency, smooth operation' requirements of automated production, the support base facilitates rapid reciprocating motion in linear modules, Cartesian robots, and automated assembly lines through its ≤0.0015 low friction coefficient and 10,000rpm high-speed compatibility. This reduces operational resistance and enhances overall production efficiency.
Electronic Semiconductor Equipment Sector
Addressing the cleanliness and precision requirements of wafer and chip processing, the support base employs bearing seals to block dust and multi-layer anti-corrosion coatings to resist moisture. This safeguards the micro-operation accuracy of wafer lithography machines, chip packaging equipment, and PCB drilling machines, adapting to the demanding environments of semiconductor workshops.
Medical Device Sector
Support bases meet medical equipment requirements for 'stable, quiet operation and wide temperature adaptation': maintaining stable performance within -10°C to 60°C, with operational noise ≤55dB. Suitable for medical imaging equipment, surgical robots, and precision infusion pumps, providing reliable support to ensure long-term operation.
Heavy Machining and Laser Equipment Sector
Addressing the shock resistance demands of heavy-duty cutting and laser cutting, the support base delivers high load-bearing capacity against radial/axial composite loads and fatigue-resistant design. It underpins laser cutters, heavy-duty gantry milling machines, and CNC bending machines, withstanding high-frequency load impacts while maintaining equipment operational precision.
New Energy Equipment Sector
Addressing the 'environmental adaptation + precision assurance' requirements for lithium battery and photovoltaic production, the support bases feature moisture and dust resistance suited to workshop environments. Simultaneously, their high-precision support ensures uniform electrode sheet thickness in lithium battery electrode sheet rolling mills and dimensional accuracy in photovoltaic silicon wafer cutting equipment, thereby enhancing the quality of new energy products.
Service and Support
Ball Screw End Support Bearings Specialized Services and Support
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Pre-Sales Customization and Compliance Support
+
-
Provide customized support bracket solutions tailored to specific equipment specifications (e.g., dimensions, load requirements). Simultaneously issue material reports and environmental certification documents compliant with industry standards (particularly suited for medical and precision manufacturing sectors), assisting customers in completing equipment compliance approval processes to ensure product suitability for application scenarios.
Precision In-Sales Service
+
-
Dispatch specialized technical teams for on-site installation guidance. Fine-tune support parameters based on equipment operational needs to guarantee critical metrics like noise levels and positioning accuracy meet standards. Provide complimentary specialized installation tools and illustrated maintenance manuals to simplify customer operations.
Rapid Post-Sales Response
+
-
A dedicated 24-hour service hotline is available, with solutions provided within 4 hours of fault reporting. Common spare parts are kept in stock to minimize equipment downtime.
Full-Cycle Maintenance Assurance
+
-
Proactive maintenance reminders are sent to customers every 6 months. Customized maintenance recommendations are provided based on actual operating conditions to extend support base lifespan and reduce long-term usage costs.
FAQ
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