180x209x20.9 mm skeleton oil seal NBR — automotive shaft seal
Model / SKU: SKELETON-180-209-20.9-NBR
This aftermarket skeleton oil seal 180x209x20.9 mm is constructed in NBR. It delivers oil and wear resistance for rotary shaft sealing. For automotive maintenance; Lead Time: 7–15 days — RFQ with size, qty and destination.
Tags: 180x209x20.9, Skeleton oil seal, automotive shaft sealing, NBR oil seal
Product photos
Key specs: Inner diameter mm: 180 | Outer diameter mm: 209 | Height mm: 20.9 | Material: NBR | Structure: Skeleton metal outer shell | specifications: 180x209x20.9 mm | Size: 180x209x20.9 mm
- Inner diameter mm: 180
- Outer diameter mm: 209
- Height mm: 20.9
- Material: NBR
- Structure: Skeleton metal outer shell
- specifications: 180x209x20.9 mm
- Size: 180x209x20.9 mm
Technical summary
Product specifications. Refer to the approved drawing for dimensional tolerances and installation requirements.
| Spec | Value |
|---|---|
| Material | NBR |
| Structure | Skeleton metal outer shell |
| Size | 180x209x20.9 mm |
Pricing: request a quote (B2B / wholesale).
MOQ / commerce notes: MOQ: Depends on spec; typically 100–5,000 pcs | Lead Time: 7–15 days
Product details
This 180x209x20.9 mm skeleton oil seal is an aftermarket radial shaft seal built with NBR rubber and a metal outer shell. It prevents lubricant leakage and blocks contaminants from entering rotating shaft assemblies.
Buyers for automotive repair and rotary shaft maintenance can send RFQ including size, quantity, destination and working medium. Lead Time: 7–15 days for this standard spec.
Features & Benefits
The rigid metal outer shell maintains seal shape and stable fit inside the housing bore.
NBR elastomer provides good oil resistance and wear resistance for mineral lubricating oil environments.
It forms a reliable barrier against dust, mud and moisture contamination around rotating shafts.
This seal is manufactured as an aftermarket replacement component, verify shaft, bore and working conditions before order.
- MOQ：Depends on spec; typically 100–5,000 pcs. Lead Time: 7–15 days. This SKU quantity confirmed on quotation.
Factory standard options, confirm on RFQ.
VKEFOT manufactures oil seals, O-rings and custom rubber seals in Xingtai and exports to Europe, North America, Middle East and Southeast Asia.
Material & Process
Sealing lip is made of NBR nitrile rubber with cold rolled steel metal outer skeleton. Typical working temperature range is -30°C to +100°C for standard NBR compound; confirm compound grade with RFQ. The seal includes a garter spring to maintain consistent lip contact pressure on the shaft.
Applications & Compatibility
Commonly listed for automotive rotary shaft sealing applications. It fits wheel hub, axle and general rotating shaft assemblies requiring oil retention. Aftermarket replacement. Verify shaft diameter, housing bore before order.
Selection & Installation
Selection Tips
Check ID×OD×height dimensions, confirm material compatibility with lubricant and working temperature before purchase.
Installation Steps
- Fully clean the shaft and housing bore, remove burrs, old seal residue and dust.
- Lubricate the sealing lip with matching mineral oil before installation, avoid dry assembly.
- Use a flat installation sleeve to press the seal perpendicularly and evenly into the housing.
- Do not strike the rubber lip or tilt the seal during pressing to prevent lip damage.
- After installation, manually rotate the shaft to confirm smooth movement before equipment startup.
Packaging & Delivery
Packed in neutral plastic bags and export cartons, packing quantity typically 50–200 pcs per carton and adjustable.
- Lead Time：7–15 days for this standard spec.
- MOQ：Depends on spec; typically 100–5,000 pcs; this SKU quantity confirmed on quotation.
Samples and small trial lots for stocked sizes; freight confirmed on RFQ.
Payment, inspection reports and warranty confirmed on quotation as agreed by lot.
Send an inquiry with size (ID×OD×height in mm), quantity, destination and duty for a firm lead time.
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 this 180x209x20.9 mm skeleton oil seal used for?
This 180x209x20.9 mm skeleton oil seal works for automotive rotary shaft sealing, retaining lubricating oil and blocking dust and moisture contamination for wheel hub and axle assemblies.
What are the full specifications for this 180x209x20.9 skeleton oil seal?
This seal measures 180x209x20.9 mm, constructed with NBR rubber and metal outer skeleton, designed as radial rotary shaft seal.
Which equipment fit this 180x209x20.9 mm skeleton oil seal?
This seal is commonly listed for automotive rotary shaft, wheel hub and axle applications, verify shaft and housing dimensions before ordering.
Is this skeleton oil seal a genuine OEM part?
No — it is an aftermarket replacement seal; verify size and working condition before order.
How to install 180x209x20.9 oil seal without grease leakage?
1. Clean shaft and housing, remove burrs and old seal residue. 2. Lubricate sealing lip with compatible mineral oil. 3. Press the seal evenly and perpendicularly using proper sleeve tool. 4. Avoid tilting or striking the rubber lip. 5. Check shaft rotation freely after installation.
What is the MOQ and lead time for 180x209x20.9 oil seals?
MOQ: Depends on spec; typically 100–5,000 pcs; Lead Time: 7–15 days; this SKU confirmed on quotation.
What dimensions should I send for an RFQ on this skeleton oil seal?
Send ID×OD×height in mm, quantity, destination country and working medium for your RFQ.
Do you support custom logo and export packaging for this seal?
factory standard options, confirm on quotation, Lead Time: 7–15 days.