SKF · plain bearings
SKF SIR 50 ES
Rod ends — manufacturer technical reference and quotation support in Saudi Arabia.
لطلب عرض سعر في السعودية، أرسل رقم القطعة أو المقاس والكمية والمدينة. يُرجى تأكيد التوافق والتوفر والسعر مع فريقنا.
| Bore diameter, bearing inner ring | 50 mm |
|---|---|
| Outside diameter, housing eye | 118 mm |
| Width, bearing inner ring | 35 mm |
| Thread designation | M 45x1.5 |
| Width, housing eye | 40.5 mm |
| Centre height, housing (from end of shank) | 105 mm |
| Housing length, total | 169 mm |
| Basic dynamic load rating | 156 kN |
| Basic static load rating | 280 kN |
| Sliding contact surface combination | Steel/steel, standard |
| Material, housing | Steel |
| Material, inner ring | Bearing steel |
| Material, outer ring | Bearing steel |
| Maintenance | Relubrication required |
| Attachment feature, rod end shank | Right-hand female thread and clamping screws |
| Sealing | Without |
| Product net weight | 3.6 kg |
| eClass code | 23-05-01-05 |
| UNSPSC code | 31171508 |
| Dimensions · Bore diameter · (d) | 50 mm |
| Dimensions · Diameter head · (d_2) · max. | 118 mm |
| Dimensions · Width inner ring · (B) | 35 mm |
| Dimensions · Thread · (G) | M 45x1.5 |
| Dimensions · Width head · (C_1) · max. | 40.5 mm |
| Dimensions · Height shank end face - centre rod end eye · (h_1) | 105 mm |
| Dimensions · Angle of tilt · (α) | 6 ° |
| Dimensions · Raceway diameter inner ring · (d_k) | 66 mm |
| Dimensions · Housing diameter shank · (d_4) · max. | 62.5 mm |
| Dimensions · Length thread · (l_3) · min. | 46 mm |
| Dimensions · Length (height) housing · (l_4) · max. | 169 mm |
| Dimensions · Distance shank chamfer - centre rod end eye · (l_7) · min. | 54 mm |
| Dimensions · Width shank · (N) · max. | 90 mm |
| Dimensions · Thickness shank base for clamping bolts · (N_1) · max. | 38 mm |
| Dimensions · Chamfer dimension bore · (r_1) · min. | 0.6 mm |
| Bolts with internal hexagon · Size bolt with internal hexagon | M 12 |
| Bolts with internal hexagon · Tightening torque bolt with internal hexagon | 84 N·m |
| Calculation data · Basic dynamic load rating · (C) | 156 kN |
| Calculation data · Basic static load rating · (C_0) | 280 kN |
| Calculation data · Specific dynamic load factor · (K) | 100 N/mm² |
| Calculation data · Material constant · (K_M) | 330 |
Family specifications and selection conditions
| Product description | These SKF rod ends contain a spherical plain bearing with a steel/steel sliding contact surface combination. The bearing requires maintenance and can be relubricated via grease fitting in the housing and via the shaft. The female thread is available with a left- (prefix SIL) or right-hand thread. |
|---|---|
| Manufacturer features | Easy to relubricate • Suitable for heavy static, alternating or impact loads • Simple and ready-to-mount • Slotted shank with clamping screws • Suitable for hydraulic cylinders • Bearing can be exchanged |
Manufacturer references
Follow the complete manufacturer documentation for application restrictions, materials, tolerances and installation requirements. Limits may not apply simultaneously. We do not publish inferred stock, pricing or ratings.