| Aligning needle roller bearing is punched by alloy plate. It has thin-walled outer ring and circle outer surface. This kind of bearing be used widely for its aligning function.
Mainly characteristic ►It can instead some aligning roller bearing ►Small radial space ►Low cost, easy to assemble ►Bear large load
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| Ring-2 | Ring-1 Cage | Roller | |
| Material | GCr15 chrome steel | SPCC or 20# Steel | GCr15 chrome steel |
| Process | Lathing Grinding | Lathing | Grinding |
| Heat treatment | Quenching | Carburization Black | Quenching HRC60-64 |
| Model | Structure instruction |
| RPNA | Without inner ring |
| PNA | With inner ring |
| Model | |||||
| Shaft | Mass | Dimensions | |||
| mm | With IR | g | d | D | C |
| 12 | PNA12/28 | 37 | 12 | 28 | 12 |
| 15 | PNA15/32 | 62 | 15 | 32 | 16 |
| 17 | PNA17/35 | 73 | 17 | 35 | 16 |
| 20 | PNA20/42 | 136 | 20 | 42 | 20 |
| 22 | PNA22/44 | 145 | 22 | 44 | 20 |
| 25 | PNA25/47 | 157 | 25 | 47 | 20 |
| 30 | PNA30/52 | 181 | 30 | 52 | 20 |
| 35 | PNA35/55 | 177 | 35 | 55 | 20 |
| 40 | PNA40/62 | 227 | 40 | 62 | 20 |
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