| Product Number | FR188 Bearing |
| System of Measurement | imperial |
| Bearing Type | ball |
| For Load Direction | Radial |
| Construction | single row |
| Seal Type | open |
| Bore Dia | 0.25" |
| Bore Dia Tolerance | -0.0003" to 0" |
| Outer Dia | 0.5" |
| Outer Dia Tolerance | -0.0003" to 0" |
| Width | 0.125" |
| Width Tolerance | -0.005" to 0" |
| Flange Outer Dia | 0.547" |
| Flange Thickness | 0.023" |
| Ring Material | 52100 chrome steel |
| Ball Material | 52100 chrome steel |
| Cage Material | 300 series stainless steel |
| Shield Material | |
| Dynamic Radial Load | 344 lbf |
| Static Radial Load | 80lbf |
| Max Speed (X1000 rpm) | 40 |
| Lubrication | Lubricated |
| Shaft Mount Type | push-in |
| Temperature Range | -86 to 230°F |
| ABEC Rating | ABEC1 (ABEC3/5/7 optional) |
| Radial Clearance Trade No. | MC3 (available in MC1/2/4/5/6) |
| Radial Clearance | 0.00008" to 0.0005" |
| RoHS | conform to |
| REACH | conform to |
| Ball Dia | 0.07870" |
| Ball Qty | 8 |
| Weight | 1.71g |