Profiles (Left section)
Service range
| Standard material | |||
| Material codes | Pressure MPa {kgf/㎠} | Max. speed (m/s) |
Temperature
range (℃) |
| Polyamide | 21 {210} | 1 | ー25～80 |
Characteristics
PWL-Bearings are plastic bearings functioning as bearings plus back-up rings.
PWL-Bearings are installable in one piece grooves in combination with the RGU-Packings.
PWL-Bearings prevent seizing of piston metals and greatly improve pressure resistance and durability of packings.
PWL-Bearings are installable in one piece grooves in combination with the RGU-Packings.
PWL-Bearings prevent seizing of piston metals and greatly improve pressure resistance and durability of packings.
Remarks
- ●Dimension L refers to the groove dimension of packings in the seal systems.
- ※JIS standard sequence of surface roughness symbols refer to HERE.
Dimension table
| Bearings & Groove dimensions（Unit：mm） | Part No. | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | d | H | t | D1 | d1 | G | E | W | L | Standard material（PN 104） | |
| 14MPa max. | 21MPa max. | ||||||||||
| 40 | 30 | 5.5 | 1.5 | 39 | 39.4 | 37 | 10 | 4 | 18 | 2.5 | PWL-40 |
| 45 | 35 | 5.5 | 1.5 | 44 | 44.4 | 42 | 10 | 4 | 18 | 2.5 | PWL-45 |
| 50 | 40 | 5.5 | 1.5 | 49 | 49.4 | 47 | 10 | 4 | 18 | 2.5 | PWL-50 |
| 55 | 45 | 5.5 | 1.5 | 54 | 54.4 | 52 | 10 | 4 | 18 | 2.5 | PWL-55 |
| 60 | 50 | 5.5 | 1.5 | 59 | 59.4 | 57 | 10 | 4 | 18 | 2.5 | PWL-60 |
| 63 | 53 | 5.5 | 1.5 | 62 | 62.4 | 60 | 10 | 4 | 18 | 2.5 | PWL-63 |
| 65 | 55 | 7 | 2 | 63.5 | 64.2 | 61 | 11 | 5 | 21 | 2.5 | PWL-65 |
| 70 | 60 | 7 | 2 | 68.5 | 69.2 | 66 | 11 | 5 | 21 | 2.5 | PWL-70 |
| 75 | 65 | 7 | 2 | 73.5 | 74.2 | 71 | 11 | 5 | 21 | 2.5 | PWL-75 |
| 80 | 67 | 7 | 2 | 78.5 | 79.2 | 76 | 12.5 | 5 | 22.5 | 3 | PWL-80 |
| 85 | 72 | 7 | 2 | 83.5 | 84.2 | 81 | 12.5 | 5 | 22.5 | 3 | PWL-85 |
| 90 | 77 | 7 | 2 | 88.5 | 89.2 | 86 | 12.5 | 5 | 22.5 | 3 | PWL-90 |
| 100 | 85 | 7 | 2 | 98.5 | 99.2 | 96 | 14 | 5 | 24 | 4 | PWL-100 |
- ★Orders and inquiries are acceptable by part numbers. Part numbers marked ※ have been changed each part numbers. Please check HERE for the previous part number.
- ★Part numbers in blue letters are the products in stock.
- ★PWL-Bearings with the part numbers in light Italic require the confirmation of their availability prior to ordering. These items are subject to the abolishment without notice. Reclamation of an abolished product requires producing the new tooling at your expense.
- ★Bearings are adequately packaged for the optimum storage. Refer to Cautions for the handling and storage.
- ★HSD-Pacings & PWL-Bearings are used in combination as well. Please request us a technical guidance for such applications.
- ★Performance and material tests on packing and seals are also available. Please contact us for more information.
| Profiles (Left section) | Standard Material | Part Name | Application | Field of application |
|---|---|---|---|---|
 |
NBR(RN923) | RGU-Packings | （Piston packings） | |
 |
NBR(RN906) | HSD-Packings | （Piston packings） |
Technical information
TECHNICAL INFORMATION