VKEFOT DC 17x30x7 mm NBR Double-Lip Spring-Reinforced Oil Seal, Black Rotary Shaft Seal

Model / SKU: VKEFOT-DC-17-30-7
VKEFOT DC 17x30x7 mm black NBR double-lip spring-reinforced oil seal, factory direct from Xingtai, China. The double lip design retains lubricant and blocks dust and dirt for rotary shaft applications. Send RFQ with quantity and destination for quotation.
Tags: VKEFOT DC oil seal, 17x30x7 oil seal, NBR double lip oil seal, spring reinforced shaft seal, black rotary shaft oil seal
Product photos



Key specs: Inner diameter mm: 17 | Outer diameter mm: 30 | Height mm: 7 | Material: NBR | Size: 17×30×7 mm | Type: DC Double-Lip Spring-Reinforced Oil Seal | Color: Black
- Inner diameter mm: 17
- Outer diameter mm: 30
- Height mm: 7
- Material: NBR
- Size: 17×30×7 mm
- Type: DC Double-Lip Spring-Reinforced Oil Seal
- Color: Black
Technical summary
Product specifications. Refer to the approved drawing for dimensional tolerances and installation requirements.
| Spec | Value |
|---|---|
| Size | 17×30×7 mm |
| Type | DC Double-Lip Spring-Reinforced Oil Seal |
| Material | NBR |
| Color | Black |
Pricing: request a quote (B2B / wholesale).
MOQ / commerce notes: MOQ: 100–5000 pcs | Lead Time:7–15 working days
Product details
VKEFOT DC 17x30x7 mm double-lip spring-reinforced oil seal made from black NBR material, manufactured in Xingtai, China.
This DC style oil seal features spring-loaded double sealing lips. The primary lip holds lubricant inside the shaft housing, while the secondary lip acts as a dust barrier to keep dirt and contaminants out. It delivers stable sealing performance for rotary shaft operation.
Key Features
- Spring reinforced double lip structure for consistent lip contact pressure
- NBR material offers good oil resistance and wear resistance
- Compact size for small rotary shaft assemblies
- Solid metal skeleton for secure press-fit mounting
Material & Working Condition
Base material is NBR. Confirm compatibility with your lubricant and operating temperature in your RFQ.
Typical Applications
Suitable for small rotary shaft sealing for general machinery and equipment. This is an aftermarket replacement seal. Verify shaft diameter and housing bore dimension before purchase.
Installation Guide
- Clean shaft and housing thoroughly, remove old seal residue, burrs and debris.
- Lightly lubricate the sealing lip with compatible lubricant before installation.
- Use matching installation sleeve, apply even perpendicular force only on the outer shell, avoid hitting the rubber lip.
- Keep the seal level during pressing; scratches on the sealing lip will lead to early leakage.
- After installation, manually rotate the shaft to check smooth movement before equipment startup.
Packaging & Shipment
- Standard packing:neutral plastic bags + export cartons, packing quantity adjustable as requested.
Samples are available for standard stocked sizes; sample freight cost confirmed during RFQ.
VKEFOT is a professional manufacturer of rotary shaft oil seals and custom rubber sealing components in Xingtai, China. Our products are exported to Europe, North America, Middle East and Southeast Asia. Send RFQ including seal size, quantity, destination country and working medium for formal quotation.
Need help specifying a seal?
Use these checks to prepare your enquiry. Final suitability depends on the specific design and operating conditions.
Check dimensions and design
Provide the shaft diameter, housing bore and seal width in mm. Include the part marking, lip profile or a dimensioned drawing if available.
Describe operating conditions
Share the fluid or medium, operating temperature, pressure and shaft speed. Confirm the material grade against the application.
Verify a replacement
Provide the original part number and photos. Similar dimensions alone do not confirm interchangeability; compare the design and material.
FAQ
What is VKEFOT DC 17x30x7 oil seal used for?
This DC double-lip spring-reinforced oil seal is used for small rotary shaft sealing. It retains lubricant and prevents dust and contaminants from entering the shaft housing.
What material is the 17x30x7 DC oil seal?
This oil seal is made of black NBR rubber. Check compatibility with your lubricant and operating temperature before ordering.
How to install VKEFOT DC double lip oil seal correctly?
Clean shaft and housing, lubricate sealing lip, use installation sleeve, apply even force only on outer shell, avoid tilting or striking rubber lip. Rotate shaft manually after assembly.
What is MOQ and lead time for VKEFOT DC 17x30x7 oil seal?
MOQ:100–5000 pcs, lead time:7–15 working days. Final quantity and delivery time confirmed on formal quotation.
What information should I provide for RFQ to VKEFOT?
Please provide seal dimension, quantity, destination country and working medium for accurate quotation.