413753V-ring seal, VR4 design, North American standard, interchangeable with VE 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 VR4 design has the largest cross section of the V-ring designs and permits the largest axial displacements. VR4 seals are commonly used as secondary seals for heavy-duty applications where the primary seal has to be protected against water and solid contaminants.
| Seal design |
VR4
|
| Lip material |
Nitrile rubber (NBR)
|
Dimensions
| d1 |
over 1 365 mm
|
Shaft diameter range (over) |
|---|---|---|
| d1 |
incl. 1 390 mm
|
Shaft diameter range (incl.) |
| d |
1 305 mm
|
Seal inside diameter, free state |
|---|---|---|
| b |
65 mm
|
Nominal seal width |
| b1 |
32.5 mm
|
Seal seat width |
| c |
30 mm
|
Nominal seal height |
| 2 x |
24 mm
|
Radial gap |
|
D1 max. = d1 + 2 x
|
||
| 2 y |
115 mm
|
Radial distance |
|
D min. = d1 + 2 y
|
||
| B1 |
50 mm
|
Seal fitted width |
|
± 12 mm
|
Tolerance seal fitted width | |
Application and operating conditions
| Operating temperature |
max. 100 °C
|
| Operating temperature |
min. -40 °C
|
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