CHANGZHOU MOUETTE MACHINERY CO., LTD
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Metric Inner Rings for Machined Type Needle Roller Bearings LRT121616 LRT556025
Inner rings can be integrated with shell-type or various machined needle roller bearings to provide good roller support without worrying about premature shaft wear. We heat-treat and grind our inner rings to tight tolerances to create hard, tough raceways for applications where it is impossible to make shaft surfaces to a specific hardness or roughness attribute. They’re an economical alternative to bushings because they don’t require any additional machining. Wide inner rings are also available to accommodate shafts that move axially or seals that are adjacent to bearings. Inner rings come in a broad range of shaft diameters, and assembly elements include small chamfers or gentle taper relief options.
Inner Rings for Machined-Type Needle Roller Bearings
Inner rings for machined-type needle roller bearings come in a variety of dimensions. Metric-type LRT Series inner rings have shaft diameters from 8 to 440 millimeters.
Metric Inner Rings for Machined Type Needle Roller Bearings LRT series Specifications:
| Shaft Diameter | Identification Number | Mass Approx | Boundary Dimensions | ||
| d | F | B | |||
| mm | g | mm | |||
| 8 | LRT 81212.5 | 8 | 12 | 12.5 | |
| LRT 81210 | 8 | 12 | 10 | ||
| LRT 8128 | 8 | 12 | 8 | ||
| 9 | LRT 91212 | 9 | 12 | 12 | |
| 10 | LRT 101413 | 10 | 14 | 13 | |
| 12 | LRT 121616 | 12 | 16 | 16 | |
| 15 | LRT 151916 | 15 | 19 | 16 | |
| 17 | LRT 172016 | 17 | 20 | 16 | |
| LRT 172116 | 17 | 21 | 16 | ||
| 20 | LRT 202416 | 20 | 24 | 16 | |
| LRT 202517 | 20 | 25 | 17 | ||
| LRT 202525 | 20 | 25 | 25 | ||
| LRT 202526.5 | 20 | 25 | 26.5 | ||
| 25 | LRT 252920 | 25 | 29 | 20 | |
| LRT 252930 | 25 | 29 | 30 | ||
| 30 | LRT 303517 | 30 | 35 | 17 | |
| LRT 303520 | 30 | 35 | 20 | ||
| 32 | LRT 323720 | 32 | 37 | 20 | |
| LRT 324020 | 32 | 40 | 20 | ||
| LRT 324036 | 32 | 40 | 36 | ||
| 35 | LRT 354020 | 35 | 40 | 20 | |
| LRT 354030 | 35 | 40 | 30 | ||
| 40 | LRT 404520 | 40 | 45 | 20 | |
| LRT 404530 | 40 | 45 | 30 | ||
| LRT 404820 | 40 | 48 | 20 | ||
| LRT 404840 | 40 | 48 | 40 | ||
| 50 | LRT 505525 | 50 | 55 | 25 | |
| LRT 506025.5 | 50 | 60 | 25.5 | ||
| 54 | LRT 546025 | 54 | 60 | 25 | |
| 55 | LRT 556025 | 55 | 60 | 25 | |
| LRT 556525 | 55 | 65 | 25 | ||
| 60 | LRT 606825 | 60 | 68 | 25 | |
| LRT 606845 | 60 | 68 | 45 | ||
| 65 | LRT 657335 | 65 | 73 | 35 | |
| LRT 657445 | 65 | 74 | 45 | ||
| 75 | LRT 758525 | 75 | 85 | 25 | |
| 80 | LRT 809054 | 80 | 90 | 54 | |
