| Bore Dia. (In.) | 1.875 in |
| Bore Diameter | 1 7/8 in |
| Bore Diameter I.D. Tolerance | +0.0000/-0.0005 |
| Bore Diameter Tolerance | +0.0000/-0.0005 in |
| Finish | Chrome Plated |
| Hole Diameter | 3/16 |
| Item | Inner Ring |
| Lubrication Openings | Oil Holes |
| Outside Dia. (In.) | 2.2489 in |
| Outside Diameter | 2.248 in |
| Outside Diameter Tolerance | +0.0000/-0.0007, +0.0000/-0.0007 in |
| Overall Width | 1.76 in |
| Overall Width Tolerance | +.000/-.005 |
| Ring Material | Alloy Steel |
| Ring Material Grade | 52100 |
| SMITH Bearing Number | IRR-1-7/8 |
| Standards | as 9100, ISO Certified 9001, Mil-B-3990 (SAE as 39901) |
| System of Measurement | Inch |
| Width (In.) | 1.76 in |