Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications8 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 340 mm |
| Outside diameter | D | 420 mm |
| Width | B | 38 mm |
| Basic dynamic load rating | C | 187 kN |
| Basic static load rating | C0 | 550 kN |
| Mass | ≈m | 12.92 kg |
| Minimum operating temperature | Tmin | -30 °C |
| Maximum operating temperature | Tmax | 80 °C |
Manufacturer Identity3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 397904 | |
| Brand | INA | |
| Base Type | SX011868 |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Crossed roller bearingsdimension series 18 to DIN 616 | |
| Short Description | Crossed roller bearing |
Technical Data34 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D1) | 340 mm | |
| Outside Diameter (Da) | 420 mm | |
| Total Height (H) | 38 mm | |
| Basic Static Load Rating, Axial (C0A) | 1,130,000 N | |
| Limiting Speed For Grease Lubrication With Normal Clearance (Ng Grea) | 200 1/min | |
| Height Of Individual Ring (H) | 38 mm | |
| Low Clearance: Radial Clearance (Rlomax) | 0.005 mm | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Basic Dynamic Load Rating, Axial (Ca) | 265,000 N | |
| Operating Temperature Max. (Tmax) | 80 °C | |
| Limiting Speed For Oil Lubrication With Normal Clearance (Ng Oil) | 400 1/min | |
| Bore Diameter Lower Tolerance (Bore Diamete) | -0.029 mm | |
| Height Inner Ring (Hi) | 38 mm | |
| Height Of Individual Ring Lower Tolerance (Height Of In) | -0.05 mm | |
| Inner Diameter Outer Ring (Di) | 380.8 mm | |
| Diameter Of Lubrication Hole (S) | 2.5 mm | |
| Outer Diameter Inner Ring (Da) | 379.2 mm | |
| Width Lower Tolerance (Width Lower) | -0.14 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 187,000 N | |
| Low Clearance: Preload (Rlomax) | 0.01 mm | |
| Width Upper Tolerance (Width Upper) | 0.14 mm | |
| Bore Diameter Upper Tolerance (Bore Diamete) | 0.007 mm | |
| Minimum Radial Bearing Clearance, At Standard Bearing Clearance (Sr Min) | 0.01 mm | |
| Running Accuracy, Radial (Running Accu) | 0.025 mm | |
| Maximum Radial Bearing Clearance, At Standard Bearing Clearance (Sr Max) | 0.04 mm | |
| Minimum Axial Tilting Clearance, At Standard Bearing Clearance (Sk Min) | 0.02 mm | |
| Outside Diameter Lower Tolerance (Outside Diam) | -0.04 mm | |
| Basic Static Load Rating, Radial (C0R) | 550,000 N | |
| Minimum Chamfer Dimension (Rmin) | 2.1 mm | |
| Maximum Axial Tilting Clearance, At Standard Bearing Clearance (Sk Max) | 0.08 mm | |
| Running Accuracy, Axial (Running Accu) | 0.01 mm | |
| Height Of Individual Ring Upper Tolerance (Height Of In) | 0 mm | |
| Outside Diameter Upper Tolerance (Outside Diam) | 0 mm | |
| Rolling Element Pitch Circle Diameter (Dm) | 380 mm |