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 | NNTR70X180X85 | |
| Bore diameter | d | 70 mm |
| Outside diameter | D | 180 mm |
| Width | B | 85 mm |
| Basic dynamic load rating | C | 350 kN |
| Basic static load rating | C0 | 520 kN |
| Fatigue load limit | Pu | 80 kN |
| Limiting speed | nG | 600 r/min |
| Mass | ≈m | 12.8 kg |
Manufacturer Identity5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 399293 | |
| Brand | INA | |
| Base Type | NNTR70X180X85 | |
| Old Designation | ["NNTR 70X180X85.2ZL"] | |
| X Life Marking | n.r. |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Yoke type track roller NNTR..-2ZL, CRB, full complement roller set, two-row, with inner ring, 3 ribs on outer ring, not pallet changer | |
| Short Description | Yoke type track roller |
Technical Data16 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 70 mm | |
| Outside Diamater (D) | 180 mm | |
| Width Inner Ring (B) | 85 mm | |
| Basic Dynamic Load Rating, Radial (Cr W) | 350,000 N | |
| Basic Static Load Rating, Radial (C0R W) | 520,000 N | |
| Mounting Dimension (D1) | 115 mm | |
| Speed On Permanent Grease Lubrication (Nd G) | 600 1/min | |
| Diameter Lubrication Hole (D3) | 5 mm | |
| Width, Outer Ring (C) | 83 mm | |
| Minimum Chamfer Dimension (R1 Min) | 2 mm | |
| Permissible Static Load, Radial (F0R Per) | 520,000 N | |
| Permissible Dynamic Load Outer Ring, Radial (Fr Per) | 465,000 N | |
| Stop Diameter Of Thrust Washer (D2) | 92 mm | |
| Radius Of Outer Ring Outside Profile (R) | 10,000 mm | |
| Fatigue Load Limit, Radial (Cur W) | 80,000 N | |
| Minimum Chamfer Dimension (Rmin) | 3 mm |