Type SR
This roller recirculating unit is designed for medium to heavy loads. The Type SR recirculating unit is equipped with cylindrical rollers that provide higher load capacity compared to ball recirculating units. Solutions to demanding applications can be created using SR units in combination with Type R linear guideways.
Benchmark Data
Carrier Structure
- High precision hardened and ground
Materials
- Carrier structure: Through-hardened tool steel, hardness 58 - 62 HRC
- Rolling elements: Through-hardened rolling bearing steel, hardness 58 - 64 HRC
- Retainer: High-performance polymer
- End caps: Polymer
Wipers
- Integrated end cap wiper for coarse contamination protection
- Optional additional elastomer wipers available
Speed
2 m/s
Acceleration
50 m/s²
Operating Temperature
-40°C to +80°C
Compatibility
Type SR recirculating units can be used with the following linear guideways:
- Type R and RD (Standard roller guideways)
Dimensions and Load Capacities of Type SR
Dimension Diagram
Specification Table
| Type and Size | Weight (g) | Dimensions (mm) | Load Capacity C (N) | Options (see Ch. 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 | - |
| 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 available on request only
- "-" indicates dimension not applicable
- Option GP: Roller recirculating unit with preload
- C represents dynamic load capacity
Installed Dimensions and Permissible Torques for Type SR
Installed Dimensions
Type SR roller recirculating unit installed with Type R linear guideway
Permissible Torques
