| Product Number | R156-2RS Bearing | 
| System of Measurement | imperial | 
| Bearing Type | ball | 
| For Load Direction | Radial | 
| Construction | single row | 
| Seal Type | rubber sealing cap | 
| Bore Dia | 0.1875" | 
| Bore Dia Tolerance | -0.0003" to 0" | 
| Outer Dia | 0.3125" | 
| Outer Dia Tolerance | -0.0003" to 0" | 
| Width(B) | 0.125" | 
| Width Tolerance | -0.005" to 0" | 
| Ring Material | 52100 chrome steel | 
| Ball Material | 52100 chrome steel | 
| Cage Material | 300 series stainless steel | 
| Dynamic Radial Load | 69 lbf | 
| Static Radial Load | 27 lbf | 
| Max Speed (X1000 rpm) | 53 | 
| 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 | 0.03941" | 
| Ball Qty | 10 | 
| Weight | 0.45g | 
| Inner ring type | Standard type | 
| Sealing material | Nitrile rubber |