By placing the ball screw and ball spline in the same location, miniaturization and long stroke can be achieved.
Example of ldentitcation number of Assembled Set
Specification and Size Table
| Type | Part | C3 | C5 |
| Overlap type | Ball Screw Axial play | 0.005 | |
| Ball Spline Radial play | 0.002 | ||
| Model No. | Shaft nominal dia | Ball Screw part | ||||||||||||
| Lead | Basic Load Rating | Nut dimension | ||||||||||||
| Ca N | Coa N | Nut typ | Nut mass | D | Df | L | L1 | F | W | Dp | X Bolt Hole | |||
| BSSP0808 | 8 | 8 | (1200) | (1900) | 2 | 40 | 18 | 31 | 23 | 16.5 | 4 | 20 | 25 | 3.4 |
| BSSP1220 | 12 | 20 | (1200) | (500) | 2 | 80 | 24 | 40 | 50 | 35 | 10 | 30 | 32 | 4.5 |
| Ball Spline part | Bore hollow | ||||||||||
| Basic Load Rating | Basic Load Rating | MA Permissible Moment kgf ·m | Nut dimension | ||||||||
| C kgf | Co kgf | CT kgf ·m | CoT kgf ·m | Nut mass（g） | Ds OD | LS Length | L2 Length | Pin hole | |||
| b | t | ||||||||||
| （69） | (114) | (0.3) | (0.5) | (0.27) | 16 | 16 | 27 | 10.5 | 2.5 | 1.2 | 4 |
| (112) | (140) | (0.76) | (0.95) | (0.55) | 44 | 21 | 35 | 15 | 3 | 1.8 | 6 |
Note1:Please note that Bore hollowis an option,not a standard,In some cases Bore hollow is not available due to Shaft length.
Note2:If special profile of Ball Screw Nut/Ball Spline Nut,please askGBU representative.
Note3:Maximum limit of Shaft length is 200mm(for 08),300mm(for 12)Please ask GBU in case ofexceding limit length.
Note4:BSSP1220 wave bead screw nut installation hole is6 holes,45°.
Unit:mmmm
1kgf≈9.8N
