Rail Dimensional Drawing BM SR 25
Carriage Dimensional Drawing BM WR 25
Rigidity Diagram and Load Directions BM WR 25
Rail Types BM SR 25
Material: Stainless steel.
Rail Type Description:
- ND = Standard type, top mounting, fully hardened
- NUD = Bottom tapped hole type, fully hardened
Rail Specifications BM SR 25
| Parameter | BM SR 25-ND | BM SR 25-NUD |
| Rail Width B1 (mm) | 23 | 23 |
| Rail Height J1 (mm) | 22.7 | 22.7 |
| Max. Single Length L3 (mm) | 3000 | 3000 |
| Mounting Hole Pitch L4 (mm) | 60 | 60 |
| First/Last Hole Position L5/L10 (mm) | 28.5 | 28.5 |
| Weight per Meter (kg/m) | 3.0 | 3.1 |
Carriage Specifications BM WR 25
| Parameter | BM WR 25-A | BM WR 25-B | BM WR 25-C | BM WR 25-D | BM WR 25-F |
| System Height A (mm) | 36 | 36 | 40 | 40 | 36 |
| Carriage Width B (mm) | 70 | 70 | 48 | 48 | 48 |
| Reference Distance B2 (mm) | 23.5 | 23.5 | 12.5 | 12.5 | 12.5 |
| Front Center Lube Port C1 (mm) | 5.5 | 5.5 | 9.5 | 9.5 | 5.5 |
| Side Lube Port Position C3 (mm) | 5.5 | 5.5 | 9.5 | 9.5 | 5.5 |
| Side Lube Port Position (2nd) C4 (mm) | 13.8 | 23.3 | 18.8 | 20.8 | 18.8 |
| Top Lube Port Position C7 (mm) | 13.5 | 23 | 18.5 | 20.5 | 18.5 |
| Carriage Height J (mm) | 30.5 | 30.5 | 34.5 | 34.5 | 30.5 |
| Carriage Length L (mm) | 84.9 | 103.9 | 84.9 | 103.9 | 84.9 |
| Mounting Hole Pitch L1 (mm) | 45 | 45 | 35 | 50 | 35 |
| Mounting Hole Pitch L2 (mm) | 40 | 40 | — | — | — |
| Steel Body Length L6 (mm) | 59.5 | 78.5 | 59.5 | 78.5 | 59.5 |
| Mounting Hole Pitch N (mm) | 57 | 57 | 35 | 35 | 35 |
| Reference Height O (mm) | 7 | 7 | 10 | 10 | 10 |
Load Capacities and Weight
| Parameter | BM WR 25-A | BM WR 25-B | BM WR 25-C | BM WR 25-D | BM WR 25-F |
| Static Load Capacity C₀ (N) | 39185 | 51255 | 39185 | 51255 | 39185 |
| Dynamic Load Capacity C₁₀₀ (N) | 17935 | 21675 | 17935 | 21675 | 17935 |
| Static Cross Moment Capacity M₀Q (Nm) | 536 | 701 | 536 | 701 | 536 |
| Static Longitudinal Moment Capacity M₀L (Nm) | 436 | 734 | 436 | 734 | 436 |
| Dynamic Cross Moment Capacity MQ (Nm) | 246 | 297 | 246 | 297 | 246 |
| Dynamic Longitudinal Moment Capacity ML (Nm) | 200 | 310 | 200 | 310 | 200 |
| Carriage Weight (kg) | 0.7 | 0.9 | 0.6 | 0.8 | 0.6 |
Load Rating Description
- C0 = Static load capacity
- C100 = Dynamic load capacity - 100km travel life
- M0Q / MQ = Cross moment
- M0L / ML = Longitudinal moment
