Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications10 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Series | GRA100 | |
| Bore diameter | d | 25.4 mm |
| Outside diameter | D | 52 mm |
| Width | B | 31 mm |
| Basic dynamic load rating | C | 14 kN |
| Basic static load rating | C0 | 7.8 kN |
| Fatigue load limit | Pu | 0.4 kN |
| Mass | ≈m | 0.18 kg |
| Minimum operating temperature | Tmin | -20 °C |
| Maximum operating temperature | Tmax | 120 °C |
Manufacturer Identity4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 1974393 | |
| Brand | INA | |
| Base Type | GRA100 | |
| X Life Marking | XL |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Radial insert ball bearings GRA..-NPP-B-AS2/V, spherical outer ring, location by eccentric locking collar, P seals on both sides, inch size bore | |
| Short Description | Radial insert ball bearing |
Technical Data17 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 25.4 mm | |
| Outside Diameter (Dsp) | 52 mm | |
| Locking Collar Total Width (B1) | 31 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 14,000 N | |
| Basic Static Load Rating, Radial (C0R) | 7,800 N | |
| Operating Temperature Min. (Tmin) | -20 °C | |
| Operating Temperature Max. (Tmax) | 120 °C | |
| Width Across Flats (Inch) (W) | 0.125 in | |
| Distance To Lubrication Hole (Ca) | 3.9 mm | |
| Width, Outer Ring (C) | 15 mm | |
| Calculation Factor (F0) | 13.8 | |
| Total Width (Total Width) | 21.4 mm | |
| Outside Diameter Locking Collar/Locknut (D3) | 37.5 mm | |
| Distance Raceway (S) | 7.5 mm | |
| Rib Diameter Sealing Inner Ring (D2) | 30.3 mm | |
| Bore Diameter, Inch (D) | 1 in | |
| Fatigue Load Limit, Radial (Cur) | 400 N |


