VS Ring Seal & VS Ring Size Chart
The VS ring seal with bevel back serves as a pressureless, axial rod seal, which is clamped on a shaft. The flexible sealing lip seals a counterface at a right angle to the shaft, preventing dirt, dust and splash from entering the construction.
Featuring an innovative tapered-back design, the VS ring seal increases contact area by 25% compared to the VA type, delivering a stronger radial sealing force. With an inner diameter range of 4–180 mm (suitable for 5–199 mm shafts), its wear-resistant formulation and contamination resistance excel in harsh environments with sand, dust, or debris. Typical applications include agricultural machinery (tractor drive shafts) and commercial vehicle hubs.
Savvy is a China manufacturer and supplier specializing in precision-molded NBR/FKM V-Ring seals with standardized profiles (VA/VAX/VS/VE/VL/VLX/RM/RME), manufactured to ISO 3601-3 tolerances. Our rigorous quality control and space-optimized designs ensure a service life of over 12,000 hours in demanding conditions ranging from -40°C to 200°C.
VS Ring (V-Ring Type S) Size Chart
Dimensions are in millimeters (mm) ID = Inside Diameter OD = Outside Diameter H = Height
| VA Type | ID | OD | Height | Shaft Diameter | Size | Wall | Maximum | Minimum | Fitted Width |
|---|---|---|---|---|---|---|---|---|---|
| Ref. | d | d + 2c | H (B) | d1 | A | W (c) | d2 | d3 | B1 |
| VS-5 | 4 | 8 | 5.2 | 4.5-5.5 | 3.9 | 2 | d1+1 | d1+6 | 4.5±0.4 |
| VS-6 | 5 | 9 | 5.2 | 5.5-6.5 | 3.9 | 2 | d1+1 | d1+6 | 4.5±0.4 |
| VS-7 | 6 | 10 | 5.2 | 6.5-8.0 | 3.9 | 2 | d1+1 | d1+6 | 4.5±0.4 |
| VS-8 | 7 | 11 | 5.2 | 8.0-9.5 | 3.9 | 2 | d1+1 | d1+6 | 4.5±0.4 |
| VS-10 | 9 | 15 | 7.7 | 9.5-11.5 | 5.6 | 3 | d1+1 | d1+9 | 6.7±0.6 |
| VS-12 | 10.5 | 16.5 | 7.7 | 11.5-13.5 | 5.6 | 3 | d1+1 | d1+9 | 6.7±0.6 |
| VS-14 | 12.5 | 18.5 | 7.7 | 13.5-15.5 | 5.6 | 3 | d1+1 | d1+9 | 6.7±0.6 |
| VS-16 | 14 | 20 | 7.7 | 15.5-17.5 | 5.6 | 3 | d1+1 | d1+9 | 6.7±0.6 |
| VS-18 | 16 | 22 | 7.7 | 17.5-19 | 5.6 | 3 | d1+1 | d1+9 | 6.7±0.6 |
| VS-20 | 18 | 26 | 10.5 | 19-21 | 7.9 | 4 | d1+2 | d1+12 | 9±0.8 |
| VS-22 | 20 | 28 | 10.5 | 21-24 | 7.9 | 4 | d1+2 | d1+12 | 9±0.8 |
| VS-25 | 22 | 30 | 10.5 | 24-27 | 7.9 | 4 | d1+2 | d1+12 | 9±0.8 |
| VS-28 | 25 | 33 | 10.5 | 27-29 | 7.9 | 4 | d1+2 | d1+12 | 9±0.8 |
| VS-30 | 27 | 35 | 10.5 | 29-31 | 7.9 | 4 | d1+2 | d1+12 | 9±0.8 |
| VS-32 | 29 | 37 | 10.5 | 31-33 | 7.9 | 4 | d1+2 | d1+12 | 9±0.8 |
| VS-35 | 31 | 39 | 10.5 | 33-36 | 7.9 | 4 | d1+2 | d1+12 | 9±0.8 |
| VS-38 | 34 | 42 | 10.5 | 36-38 | 7.9 | 4 | d1+2 | d1+12 | 9±0.8 |
| VS-40 | 36 | 46 | 13 | 38-43 | 9.5 | 5 | d1+2 | d1+15 | 11±1.0 |
| VS-45 | 40 | 50 | 13 | 43-48 | 9.5 | 5 | d1+2 | d1+15 | 11±1.0 |
| VS-50 | 45 | 55 | 13 | 48-53 | 9.5 | 5 | d1+2 | d1+15 | 11±1.0 |
| VS-55 | 49 | 59 | 13 | 53-58 | 9.5 | 5 | d1+2 | d1+15 | 11±1.0 |
| VS-60 | 54 | 64 | 13 | 58-63 | 9.5 | 5 | d1+2 | d1+15 | 11±1.0 |
| VS-65 | 58 | 68 | 13 | 63-68 | 9.5 | 5 | d1+2 | d1+15 | 11±1.0 |
| VS-70 | 63 | 75 | 15.5 | 68-73 | 11.3 | 6 | d1+3 | d1+18 | 13.5±1.2 |
| VS-75 | 67 | 79 | 15.5 | 73-78 | 11.3 | 6 | d1+3 | d1+18 | 13.5±1.2 |
| VS-80 | 72 | 84 | 15.5 | 78-83 | 11.3 | 6 | d1+3 | d1+18 | 13.5±1.2 |
| VS-85 | 76 | 88 | 15.5 | 83-88 | 11.3 | 6 | d1+3 | d1+18 | 13.5±1.2 |
| VS-90 | 81 | 93 | 15.5 | 88-93 | 11.3 | 6 | d1+3 | d1+18 | 13.5±1.2 |
| VS-95 | 85 | 97 | 15.5 | 93-98 | 11.3 | 6 | d1+3 | d1+18 | 13.5±1.2 |
| VS-100 | 90 | 102 | 15.5 | 98-105 | 11.3 | 6 | d1+3 | d1+18 | 13.5±1.2 |
| VS-110 | 99 | 113 | 18 | 105-115 | 13.1 | 7 | d1+4 | d1+21 | 15.5±1.5 |
| VS-120 | 108 | 122 | 18 | 115-125 | 13.1 | 7 | d1+4 | d1+21 | 15.5±1.5 |
| VS-130 | 117 | 131 | 18 | 125-135 | 13.1 | 7 | d1+4 | d1+21 | 15.5±1.5 |
| VS-140 | 126 | 140 | 18 | 135-145 | 13.1 | 7 | d1+4 | d1+21 | 15.5±1.5 |
| VS-150 | 135 | 149 | 18 | 145-155 | 13.1 | 7 | d1+4 | d1+21 | 15.5±1.5 |
| VS-160 | 144 | 160 | 20.5 | 155-165 | 15 | 8 | d1+4 | d1+24 | 18±1.8 |
| VS-170 | 153 | 169 | 20.5 | 165-175 | 15 | 8 | d1+4 | d1+24 | 18±1.8 |
| VS-180 | 162 | 178 | 20.5 | 175-185 | 15 | 8 | d1+4 | d1+24 | 18±1.8 |
| VS-190 | 171 | 187 | 20.5 | 185-195 | 15 | 8 | d1+4 | d1+24 | 18±1.8 |
| VS-199 | 180 | 196 | 20.5 | 195-210 | 15 | 8 | d1+4 | d1+24 | 18±1.8 |
Download the Printable PDF VA Ring Size Chart by clicking the above button, and if you need our Excel version, please send an email to: [email protected].
The most commonly used materials for VS Rings are nitrile NBR, FKM/Viton. And the hardness (durometer) of NBR and FKM rubber is generally 60 Shore A. HNBR, EPDM, and PTFE are rarely used in some special scenarios.
1. NBR – Excellent oil resistance, good elasticity, suitable for mineral oil, grease and other media, the working temperature is generally -40℃～100℃. Widely used in the seals of automobiles, bearings, pumps and other equipment, and is a common material for V-type water seals (such as VA type, VS type, VL type).
2. FKM/Viton – High temperature resistance (up to 200℃), strong chemical corrosion resistance, suitable for harsh media such as synthetic oil, acid, alkali, etc. Used for water seals in high temperature or chemical corrosion environments (such as VA type, VS type, VL type).
3. HNBR – Hydrogenated and modified based on NBR, the temperature resistance is significantly improved (-40℃～150℃), while retaining excellent oil resistance, and stronger oxidation resistance and chemical corrosion resistance. Suitable for sealing scenarios with higher temperatures or chemical environments, such as high-temperature oil pressure equipment, chemical pumps, etc.
4. EPDM – Outstanding water and steam resistance, temperature resistance range -40℃～150℃, suitable for non-oily media such as water and air. Used for sealing in water treatment equipment or humid environments.
Depending on the different material, the VS ring can be used in the following working conditions:
Speed: ≤19m/s; Pressure: ≤40MPa; Temperature: -40℃～+200℃; Medium: mineral oil, air, water, emulsion, grease, etc.