Type SR
The SR recirculating unit has cross rollers and is suitable for medium to high loads. This recirculating unit is used in combination with SCHNEEBERGER linear guideways of type R and/or RD. In this way space-saving designs can be created that can be equally loaded in all directions.
Benchmark Data
| Supporting structure | Hardened and ground with high precision |
|---|---|
| Materials |
|
| Speed | 2 m/s |
| Acceleration | 50 m/s² |
| Operating temperatures | -40°C to +80°C |
Compatibility
The Type SR recirculating unit can be combined with the following products:
- Linear guideway type R and RD (standard roller guideway)
- Same installation with the following recirculating units: SK, SKD and SKC
Dimensions and Load Capacities of Type SR
Dimensional Drawing
Specification Table
| Type and size | Weight (g) | Dimensions (mm) | Load capacity C (N) | Options (see chapter 8) | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| B | Dw | F | J | Kt | L | L1 | L3 | N | d | e | f | f1 | g | m | o | ||||
| SR 2-032 | 10 | 6 | 2 | 9.8 | 9.5 | 16 | 32 | 15 | - | 6 | 4.4 | M3 | 2.55 | - | 4 | - | 1 | 380 | GP |
| SR 3-075 | 50 | 8 | 3 | 15 | 14.5 | 46 | 75 | 25 | 12.5 | 9 | 6 | M4 | 3.3 | 1.5 | 4.9 | 11.8 | 1.3 | 850 | GP |
| SR 6-100 | 210 | 15 | 6 | 25.7 | 24.5 | 56 | 100 | 50 | 25 | 15 | 9.5 | M6 | 5.2 | 2 | 9.8 | 19.7 | 2.5 | 2,150 | GP |
| SR 6-150 | 310 | 15 | 6 | 25.7 | 24.5 | 105 | 150 | 50 | 25 | 15 | 9.5 | M6 | 5.2 | 2 | 9.8 | 19.7 | 2.5 | 3,750 | GP |
| SR 9-150 | 750 | 22 | 9 | 40.5 | 39 | 92 | 150 | 100 | 50 | 26 | 10.5 | M8 | 6.8 | 3 | 15.8 | 32.4 | 3.5 | 5,850 | GP |
| SR 12-2001) | 1,580 | 28 | 12 | 51.5 | 49 | 112 | 200 | 100 | 50 | 32 | 13.5 | M10 | 8.5 | 3 | 19.8 | 40.2 | 4 | 10,000 | GP |
Notes:
- 1) Type SR 12-200 is available on request only
- "-" indicates that the dimension is not applicable
- Option GP: Roller recirculating unit with preload
- C denotes the dynamic load capacity
Installed Dimensions and Permissible Torques for Type SR
Installation Dimensions
Type SR roller recirculating unit mounted on Type R linear guideway
Installed Dimensions for Type SR
| Type and size | A (mm) | A1 (mm) | e1 |
|---|---|---|---|
| SR 2-032 | 15.5 | 37 | M2.5 |
| SR 3-075 | 23.5 | 57 | M3 |
| SR 6-100 | 40 | 94 | M5 |
| SR 6-150 | 40 | 94 | M5 |
| SR 9-150 | 61 | 150 | M6 |
| SR 12-200(1) | 78 | 175 | M8 |
(1) SR 12 is available on request only
Permissible Torques
| Type and size | Q (N) | ML (Nm) | Mo (Nm) |
|---|---|---|---|
| SR 2-032 | 18.0 | 3.0 | 7.0 |
| SR 3-075 | 28.0 | 12.0 | 24.0 |
| SR 6-100 | 45.0 | 60.0 | 97.0 |
| SR 6-150 | 112.0 | 169.0 | |
| SR 9-150 | 72.0 | 241.0 | 421.0 |
| SR 12-200(1) | 77.0 | 553.0 | 770.0 |
(1) SR 12 is available on request only