BM WR/SR Size 30 Technical Specifications
Corrosion-Resistant Medium-Size Precision Ball Guide
Dimensional Drawing BM WR/SR 30
Rail Specifications
| Parameter | BM SR S 30-ND | BM SR S 30-NUD |
|---|---|---|
| Material | Stainless Steel | |
| Rail Width B1 (mm) | 28 | 28 |
| Rail Height J1 (mm) | 26 | 26 |
| Max Single Piece Length L3 (mm) | 3000 | 3000 |
| Fixing Hole Pitch L4 (mm) | 80 | 80 |
| First/Last Hole Position L5/L10 (mm) | 38.5 | 38.5 |
| Rail Weight (kg/m) | 4.3 | 4.5 |
Rail Type Description:
- ND = Standard type, top mounting, fully hardened
- NUD = Bottom tapped hole type, fully hardened
Carriage Specifications BM WR W 30
Available Types: A (Standard), B (Standard Long), C (Compact High), D (Compact High Long), F (Compact), G (Compact Long)
| Parameter | W 30-A | W 30-B | W 30-C | W 30-D | W 30-F | W 30-G |
|---|---|---|---|---|---|---|
| System Height A (mm) | 42 | 42 | 45 | 45 | 42 | 42 |
| Carriage Width B (mm) | 90 | 90 | 60 | 60 | 60 | 60 |
| Reference Surface Distance B2 (mm) | 31 | 31 | 16 | 16 | 16 | 16 |
| Front Center Lube Port Position C1 (mm) | 7 | 7 | 10 | 10 | 7 | 7 |
| Side Lube Port Position C3 (mm) | 7 | 7 | 10 | 10 | 7 | 7 |
| Side Lube Port Position C4 (mm) | 16.2 | 27.2 | 22.2 | 23.2 | 22.2 | 23.2 |
| Top Lube Port Position C7 (mm) | 15.7 | 26.7 | 21.7 | 22.7 | 21.7 | 22.7 |
| Carriage Height J (mm) | 35.9 | 35.9 | 38.9 | 38.9 | 35.9 | 35.9 |
| Carriage Length L (mm) | 97.6 | 119.6 | 97.6 | 119.6 | 97.6 | 119.6 |
| Outer Fixing Hole Pitch L1 (mm) | 52 | 52 | 40 | 60 | 40 | 60 |
| Inner Fixing Hole Pitch L2 (mm) | 44 | 44 | - | - | - | - |
| Body Length L6 (mm) | 69.4 | 91.4 | 69.4 | 91.4 | 69.4 | 91.4 |
| Lateral Fixing Hole Pitch N (mm) | 72 | 72 | 40 | 40 | 40 | 40 |
| Reference Surface Height O (mm) | 8 | 8 | 11 | 11 | 11 | 11 |
| Carriage Weight (kg) | 1.2 | 1.5 | 1.0 | 1.3 | 0.9 | 1.2 |
Load Ratings (BM SR Stainless Steel Version)
| Carriage Type | C0 Static Load (N) | C100 Dynamic Load (N) | M0Q Static Cross Moment (Nm) | M0L Static Longitudinal Moment (Nm) | MQ Dynamic Cross Moment (Nm) | ML Dynamic Longitudinal Moment (Nm) |
|---|---|---|---|---|---|---|
| A / C / F | 54,145 | 24,820 | 921 | 705 | 422 | 323 |
| B / D / G | 70,805 | 30,005 | 1,202 | 1,182 | 509 | 501 |
Load Rating Description
- C0 = Static load capacity
- C100 = Dynamic load capacity - 100km travel life
- M0Q / MQ = Cross moment
- M0L / ML = Longitudinal moment