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- 2.38 in Inner Diameter
- 4 in Outer Diameter
- 1 in Overall Width
features
- K." in the prefix calls out bearing only (no washers included) for 81100 and 81200 metric series
| Bore B | 2 7/16 in |
| I.D. | 2 3/8 in |
| Series | NTHA |
| Precision Class | P0 |
| Speed (Max) Oil | 4200 rpm |
| Cage Material | Steel |
| Precision Ground | Yes |
| Relubrication Feature | No |
| Rolling Element | Cylindrical Roller |
| Cage Type | Riveted |
| Washer Thickness | 0.3125 in |
| Relubricatable | No |
| Radial Internal Clearance | N/A |
| Fillet Radius | 0.06 in, 1.57 mm |
| Static Load Rating | 485 kN |
| No. of Rows | 1 |
| Operating Temperature [Min] | -22 ˚F |
| Limiting Speed - Oil | 4300 rpm |
| O.D. Type | Straight |
| Tolerance | Iso Class 0 (RBEC 1) |
| Dynamic Load Rating | 143 kN |
| Overall Width | 1 in, 25.4 mm |
| Self Aligning | No |
| Bearing Design | Thrust Bearing – Complete |
| Radial Internal Clearance Specification | N/A |
| Lubricant | Rust Preventative |
| End Type | Open End |
| Bore Type | Round Bore, Inch Type |
| O.D. (B) | 3.938 in |
| Oil Hole | w/o Oil Hole |
| O.D. | 4 in |
| Capacity | Standard Capacity |
| Bearing Material | 1074 Steel |
| Component | Assembly |
| Enclosure | Open |
| Operating Temperature [Max] | 230 ˚F |
| Weight | 1.978 LB |
| EAN or UPC | 605790253324 |
