| Rolled Ball Screw | ||||
| Nominal Dia. (mm) | 8 | |||
| Ball Dia. (mm) | 2 | |||
| Lead (mm) | 5 | |||
| B.C.D. (mm) | 8.3 | |||
| Thread Direction | Right Hand | |||
| Circuits | 2.7 Return x 1 Circuits | |||
| Accuracy | C5X | C5Y | C7Y | C7Z |
| Axial Backlash | 0 | < 0.005 | < 0.005 | < 0.01 |
| Dynamic Load Ca (N) | 2550 | |||
| Max. Static Load Coa (N) | 3780 | |||
Model No.
| Specification | ||||||||||
| Model No. | Stroke | Shaft Length | Deviation Tolerance | Cumulative Deviation Tolerance | Bearing Seat Verticality Tolerance |
Nut Verticality Tolerance |
Lead Accuracy | |||
| L1 | L2 | L3 | S1 | S2 | S3 | N1 | Mean Travel | Variation | ||
| BS0805D3-RC5□-190R250-M | 150 | 190 | 211 | 250 | 0.01 | 0.05 | 0.005 | 0.01 | 0.02 | 0.018 |
| BS0805D3-RC7□-190R250-M | 0.014 | 0.065 | 0.007 | 0.014 | Travel Distance:±0.05/300 | |||||
| BS0805D3-RC5□-240R300-M | 200 | 240 | 261 | 300 | 0.01 | 0.065 | 0.005 | 0.01 | 0.023 | 0.018 |
| BS0805D3-RC7□-240R300-M | 0.014 | 0.08 | 0.007 | 0.014 | Travel Distance:±0.05/300 | |||||
| BS0805D3-RC5□-290R350-M | 250 | 290 | 311 | 350 | 0.01 | 0.065 | 0.005 | 0.01 | 0.023 | 0.018 |
| BS0805D3-RC7□-290R350-M | 0.014 | 0.08 | 0.007 | 0.014 | Travel Distance:±0.05/300 | |||||
Model No.
| Machining-less to the end shaft – Specification | |||||||
| Model No. | Stroke | Shaft Length | Cumulative Deviation Tolerance | Nut Verticality Tolerance |
Lead Accuracy | ||
| L1 | L | S1 | N1 | Mean Travel | Variation | ||
| BS0805D3-RC5□-190R255-M | 150 | 190 | 255 | 0.05 | 0.01 | 0.02 | 0.018 |
| BS0805D3-RC7□-190R255-M | 0.065 | 0.014 | Travel Distance:±0.05/300 | ||||
| BS0805D3-RC5□-240R305-M | 200 | 95 | 136 | 0.065 | 0.01 | 0.023 | 0.018 |
| BS0805D3-RC7□-240R305-M | 0.08 | 0.014 | Travel Distance:±0.05/300 | ||||
| BS0805D3-RC5□-290R355-M | 250 | 290 | 355 | 0.065 | 0.01 | 0.023 | 0.018 |
| BS0805D3-RC7□-290R355-M | 0.08 | 0.014 | Travel Distance:±0.05/300 | ||||

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