38 VA VV-ring seal, VA design, global standard, interchangeable with VR1 design
V-ring seals (V-rings) are all-rubber, axial shaft seals. They offer an easy-to-install solution for rotating shaft applications, including use as a secondary seal in highly contaminated environments. The VA design includes a standard cross section with a straight back side face. Being the most common type of V-rings, VA seals are typically used to protect bearing arrangements in gearboxes, electric motors and drives.
| Design |
VA
|
| Lip material |
Fluoro rubber (FKM)
|
Dimensions
| d1 |
over 36 mm
|
Shaft diameter range (over) |
|---|---|---|
| d1 |
incl. 38 mm
|
Shaft diameter range (incl.) |
| d |
34 mm
|
Seal inside diameter, free state |
|---|---|---|
| b |
7.5 mm
|
Nominal seal width |
| b1 |
4.7 mm
|
Seal seat width |
| c |
4 mm
|
Nominal seal height |
| 2 x |
2 mm
|
Radial gap (twice) |
|
D1 max. = d1 + 2 x
|
||
| 2 y |
12 mm
|
Radial distance (twice) |
|
D min. = d1 + 2 y
|
||
| B1 |
6 mm
|
Seal fitted width |
|
± 0.8 mm
|
Tolerance seal fitted width | |
Application and operating conditions
| Operating temperature |
min. -20 °C
|
| Operating temperature |
max. 150 °C
|
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