The THK Ball Screw DIN Standard Compliant Ball Screw Model EBB V SERIES represents a precision-engineered linear motion solution designed for applications demanding high rigidity, exceptional accuracy, and reliable performance under rigorous operating conditions. Manufactured in strict compliance with DIN standards, this series ensures dimensional interchangeability and consistent quality, facilitating straightforward integration and replacement within global machinery designs. Its construction features a precision-ground screw shaft with a meticulously engineered ball groove profile, paired with a nut assembly incorporating a high-rigidity, compact design. A critical technical feature is the integrated single-piece end cap with a built-in deflector, which optimizes the ball recirculation path. This design minimizes vibration and noise during high-speed operation while significantly enhancing the unit’s durability and operational smoothness.
Performance advantages are substantial, beginning with its capability for high-precision positioning. The EBB V SERIES achieves high axial rigidity and rotational torque stability, which is vital for maintaining accuracy in repetitive motion cycles. Its optimized preload adjustment allows for minimal axial backlash, contributing to precise stop-and-repeat positioning critical in automated processes. The series is engineered for high-speed operation, supported by its efficient ball recirculation system that reduces heat generation and maintains consistent performance. Furthermore, these ball screws offer an exceptionally long service life, a result of THK’s proprietary materials and advanced heat treatment processes that impart superior wear resistance and load capacity. The standard compliance also means simplified global sourcing and maintenance, reducing downtime.
Typical applications for the EBB V SERIES are found across demanding industrial sectors. In industrial machinery, these ball screws are indispensable in CNC machining centers for controlling tool paths, in industrial robots for precise arm articulation, and in automated assembly lines for accurate component placement. The automotive industry utilizes them in precision manufacturing equipment like welding robots, painting systems, and in high-speed press feeds. Within precision equipment, the series is deployed in semiconductor manufacturing apparatus for wafer handling and photolithography stages, in medical device manufacturing for diagnostic equipment, and in precision measuring instruments where micron-level accuracy is non-negotiable. Its robust design and reliable performance make it a cornerstone component for engineers designing machinery that requires dependable, high-speed, and high-accuracy linear motion.
| Model No. | Screw shaft outer diameter d |
Lead Ph |
Ball center-to- center diameter dp |
Outer diameter D g6 |
Flange diameter D1 |
Overall length L1 |
Basic load rating | |
| Dynamic rating Ca |
Static rating C0a |
|||||||
| mm | mm | mm | mm | mm | mm | kN | kN | |
80 |
20 |
82.7 |
125 |
165 |
149 |
154.5 |
413.2 |
|
80 |
16 |
82.7 |
125 |
165 |
131 |
154.7 |
413.2 |
|
80 |
12 |
82.25 |
125 |
165 |
110 |
92.1 |
251.7 |
|
80 |
10 |
81.75 |
105 |
145 |
93 |
68.6 |
206.9 |
|
63 |
20 |
65.7 |
95 |
135 |
122 |
104.4 |
229.3 |
|
63 |
16 |
65.7 |
95 |
135 |
125 |
134.0 |
306.4 |
|
36 |
6 |
37 |
56 |
86 |
92 |
45.8 |
112.4 |
|
36 |
4 |
36.5 |
56 |
86 |
58 |
15.3 |
44.3 |
|
36 |
8 |
37.25 |
56 |
86 |
112 |
57.4 |
129.7 |
|
40 |
4 |
40.5 |
63 |
93 |
59 |
15.9 |
49.4 |
|
40 |
5 |
40.75 |
63 |
93 |
65 |
26.6 |
77.5 |
|
40 |
6 |
41 |
63 |
93 |
117 |
68.1 |
188.7 |
|
40 |
8 |
41.25 |
63 |
93 |
113 |
61.3 |
148.9 |
|
40 |
10 |
41.75 |
63 |
93 |
75 |
37.3 |
69.3 |
|
40 |
10 |
41.75 |
63 |
93 |
85 |
47.6 |
92.4 |
|
40 |
12 |
41.75 |
63 |
93 |
152 |
86.4 |
184.8 |
|
40 |
20 |
41.75 |
63 |
93 |
122 |
36.8 |
69.3 |
|
50 |
5 |
50.75 |
75 |
110 |
104 |
56.0 |
198.3 |
|
50 |
8 |
51.25 |
75 |
110 |
115 |
67.5 |
187.7 |
|
50 |
10 |
51.75 |
75 |
110 |
87 |
54.3 |
120.5 |
|
50 |
20 |
52.25 |
75 |
110 |
117 |
55.3 |
108.8 |
|
63 |
10 |
64.75 |
90 |
125 |
89 |
61.9 |
161.0 |
|
63 |
12 |
65.25 |
95 |
135 |
104 |
80.9 |
189.1 |
|
32 |
12 |
33.75 |
56 |
86 |
80 |
32 |
52.2 |
|