SKF SIQG 32 ES Rod End Bearing
SKF SIQG 32 ES is a maintenance-required rod end with female thread and clamping screws, designed for oscillating movements and accommodating misalignment in various industrial applications, particularly hydraulic cylinders. It contains a spherical plain bearing with a steel/steel sliding contact surface combination and features a slotted shank with clamping screws for secure attachment.
SKF SIQG 32 ES is a maintenance-required rod end with female thread and clamping screws, designed for oscillating movements and accommodating misalignment in various industrial applications, particularly hydraulic cylinders. It contains a spherical plain bearing with a steel/steel sliding contact surface combination and features a slotted shank with clamping screws for secure attachment. The bearing requires regular maintenance and can be relubricated via grease fitting in the housing and via the shaft for size 16 and above series. The inner ring is widened on both sides, providing enhanced load distribution and stability.
Key Features
- Easy relubrication: Multiple lubrication points (housing and shaft for larger sizes) for convenient maintenance
- High load capacity: Suitable for heavy static, alternating or impact loads
- Simple installation: Ready-to-mount design with right-hand female thread and clamping screws
- Slotted shank: Allows for precise adjustment and secure clamping
- Exchangeable bearing: Facilitates easy replacement of the spherical plain bearing component
- Widened inner ring: Inner ring widened on both sides for improved load distribution
- Misalignment capability: Accommodates angular misalignment up to 4°
- Right-hand thread: Standard configuration (left-hand version available as SILQG 32 ES)
Technical Specifications
Dimensions
| Parameter | Value | Description |
|---|---|---|
| Bore diameter (d) | 32 mm | Inner diameter of the bearing inner ring |
| Outside diameter, housing eye (d₂) | max. 72.5 mm | Maximum diameter of the housing eye |
| Width, bearing inner ring (B) | 32 mm | Width of the bearing inner ring |
| Thread designation (G) | M 27x2 | Metric thread size and pitch (female) |
| Width, housing eye (C₁) | max. 28 mm | Maximum width of the housing eye |
| Centre height, housing (h₁) | 80 mm | Height from end of shank to centre of rod end eye |
| Housing length, total (l₄) | max. 119 mm | Overall length (height) of the housing |
| Tilt angle (α) | 4° | Maximum allowable angle of tilt |
| Raceway diameter inner ring (dₖ) | 43 mm | Diameter of the inner ring spherical surface |
| Housing diameter shank (d₄) | max. 40 mm | Diameter of the housing shank |
| Length thread (l₃) | min. 37 mm | Minimum length of the thread |
| Distance shank chamfer - centre rod end eye (l₇) | min. 31 mm | Minimum distance from shank chamfer to centre of rod end eye |
| Width shank (N) | max. 67 mm | Maximum width of the shank |
| Thickness shank base for clamping bolts (N₁) | max. 23.5 mm | Maximum thickness of the shank base for clamping bolts |
| Chamfer dimension bore (r₁) | min. 0.6 mm | Minimum radius of the bore chamfer |
Load Ratings
| Parameter | Value | Description |
|---|---|---|
| Basic dynamic load rating (C) | 65.5 kN | Rated capacity for dynamic loads |
| Basic static load rating (C₀) | 100 kN | Rated capacity for static loads |
| Specific dynamic load factor (K) | 100 N/mm² | Specific dynamic load-bearing capability |
| Material constant (Kₘ) | 330 | Material constant for calculation purposes |
Materials and Construction
| Component | Material | Description |
|---|---|---|
| Sliding contact surface combination | Steel/steel, standard | Durable steel-on-steel sliding contact |
| Housing | Steel | Structural support component |
| Inner ring | Bearing steel | Spherical inner ring widened on both sides |
| Outer ring | Bearing steel | Outer ring with spherical bore |
| Sealing | Without | No seals (open design) |
| Maintenance | Relubrication required | Must be regularly relubricated via grease fittings |
| Attachment feature | Right-hand female thread and clamping screws | For secure attachment to shafts |
| Inner ring configuration | Widened on both sides | Enhanced load distribution and stability |
Clamping Bolts
| Parameter | Value | Description |
|---|---|---|
| Size bolt with internal hexagon | M 10 | Size of the clamping bolts |
| Tightening torque bolt with internal hexagon | 48 N·m | Recommended tightening torque for clamping bolts |
Logistics
| Parameter | Value | Description |
|---|---|---|
| Product net weight | 1.12 kg | Net weight of the product |
| eClass code | 23-05-01-05 | Classification code |
| UNSPSC code | 31171508 | Universal Standard Products and Services Classification code |
Application Areas
SKF SIQG 32 ES is ideal for applications requiring:
- Oscillating movements with misalignment compensation up to 4°
- Heavy static, alternating or impact loads
- Regular maintenance and relubrication
- Precise adjustment with clamping screws
- Exchangeable bearing components
- Widened inner ring for enhanced stability
Common industries include:
- Hydraulic cylinder applications (particularly well-suited)
- Construction machinery
- Agricultural equipment
- Material handling systems
- Industrial automation
- Heavy-duty mechanical systems
