Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Series | KR19 | |
| Bore diameter | d | 8 mm |
| Outside diameter | D | 19 mm |
| Width | B | 32 mm |
| Basic dynamic load rating | C | 3.55 kN |
| Basic static load rating | C0 | 4.1 kN |
| Fatigue load limit | Pu | 0.56 kN |
| Limiting speed | nG | 11000 r/min |
| Mass | ≈m | 0.028307 kg |
Manufacturer Identity4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 399570 | |
| Brand | INA | |
| Base Type | KR19 | |
| X Life Marking | n.r. |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Stud type track rollers KR..-SK-PP-A, single row needle roller bearings with particularly thick-walled outer ring, needle roller and cage assembly and a solid roller stud with fixing thread and a mounting aid, axial guidance of outer ring is provided by the plastic axial plain washers, contact flange and contact washer, three-stage sealing by plastic axial plain washer on both sides, without eccentric collar, assembling aid hexagonal socket only on the flange side end face, no relubrication faci | |
| Short Description | Stud type track roller |
Technical Data16 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Fit Diameter Of Roller Stud / Stud (D1) | 8 mm | |
| Outside Diamater (D) | 19 mm | |
| Total Width (B) | 32 mm | |
| Basic Dynamic Load Rating, Radial (Cr W) | 3,550 N | |
| Basic Static Load Rating, Radial (C0R W) | 4,100 N | |
| Speed On Permanent Grease Lubrication (Nd G) | 11,000 1/min | |
| Bolt/Stud Length Effectively (B2) | 20 mm | |
| Width Of Flats (W) | 4 mm | |
| Width, Outer Ring (C) | 11 mm | |
| Protrusion Outer Ring To Thrust Washer (C1) | 0.6 mm | |
| Thread Length (Ig) | 10 mm | |
| Stop Diameter Of Thrust Washer (D2) | 15 mm | |
| Maximum Witdh Of Thrust Washer (B1) | 12.2 mm | |
| Tightening Torque Nut (Ma) | 8 Nm | |
| Fatigue Load Limit, Radial (Cur W) | 560 N | |
| Minimum Chamfer Dimension (Rmin) | 0.15 mm |
