85x120x10/20mm ZD‑Type Combined Outer‑Rib Double‑lip FKM Oil Seal Brown Composite Skeleton Shaft Seal
Model / SKU: ZD‑85‑120‑10/20‑FKM
This aftermarket ZD‑type combined outer‑rib double‑lip oil seal measures 85×120×10/20 mm, brown FKM fluororubber composite metal‑cased structure. ZD is a combined hub‑wheel oil seal with outer anti‑spin ribs, dual garter springs, widely used for heavy‑duty vehicle wheel hub, axle, agricultural machinery and engineering machinery rotary shafts, for spare‑parts importers, wholesalers and repair workshops, lead time 7‑15 working days.
Tags: 85x120x10/20mm, ZD combined oil seal, FKM brown heavy‑duty oil seal, ZD‑type wheel hub seal, composite skeleton shaft seal
Product photos
Key specs: Inner diameter mm: 85 | Outer diameter mm: 120 | Height mm: 10/20 | Material: FKM | Material: FKM | Structure: ZD combined outer‑rib double‑lip dual‑spring | Marking: 2111Y‑2 | Standard: Non‑universal international standard, domestic heavy‑duty composite seal
- Inner diameter mm: 85
- Outer diameter mm: 120
- Height mm: 10/20
- Material: FKM
- Material: FKM
- Structure: ZD combined outer‑rib double‑lip dual‑spring
- Marking: 2111Y‑2
- Standard: Non‑universal international standard, domestic heavy‑duty composite seal
- specifications: 85×120×10/20mm
- Material: FKM
- Structure: ZD combined outer‑rib double‑lip dual‑spring
- Marking: 2111Y‑2
Technical summary
Product specifications. Refer to the approved drawing for dimensional tolerances and installation requirements.
| Spec | Value |
|---|---|
| Material | FKM |
| Structure | ZD combined outer‑rib double‑lip dual‑spring |
| Marking | 2111Y‑2 |
| Standard | Non‑universal international standard, domestic heavy‑duty composite seal |
| Size | 85×120×10/20mm |
Pricing: request a quote (B2B / wholesale).
MOQ / commerce notes: Lead time 7–15 working days
Product details
This aftermarket replacement ZD combined composite oil seal dimension 85×120×10/20 mm, brown FKM fluororubber, composite metal‑cased assembly with outer circumferential anti‑spin ribs, equipped with double garter springs and double‑lip sealing system. ZD type belongs to heavy‑duty combined hub oil seal, different from ordinary TC/TG single‑piece skeleton seal, it adopts composite assembly structure to resist large vibration, mud splash and thermal deformation, outer ribs prevent seal spinning in housing bore under heavy‑load operation.
Marking on product: 2111Y‑2. Primary sealing lip locks lubricant grease / gear oil inside hub cavity; secondary dust‑proof lip blocks mud, water, sand and road contaminants. Mainly applied for heavy‑truck wheel hub, drive axle, agricultural machinery and construction‑machinery rotary shafts. No universal cross‑reference OE number in global public database, served as aftermarket replacement component for matching‑size heavy‑duty assemblies.
Targeted at heavy‑duty auto‑parts importers, wholesalers and machinery repair workshops. Send inquiry including dimension, material specs, quantity and destination for formal quotation, lead time 7‑15 working days.
Features & Benefits
‑ ZD composite assembly structure: double‑spring double‑lip design, higher anti‑vibration performance than ordinary TG‑type seals, adapt to heavy‑load hub working‑condition
‑ Outer circumferential anti‑spin ribs: increase static friction with housing bore, effectively avoid seal rotation caused by vibration & temperature cycling
‑ FKM fluororubber material: excellent heat‑resistance, oil‑resistance and anti‑aging performance for heavy‑duty long‑time continuous operation
‑ Composite metal‑rubber vulcanized integration, stable shape under impact and alternating temperature
‑ Aftermarket cross‑replacement for matching‑size heavy‑duty hub seals
‑ Custom logo marking, packing and material upgrade options available upon RFQ
‑ Suited for bulk stocking of heavy‑duty vehicle & engineering‑machinery repair‑network replenishment
Material & Process
- Sealing lip：FKM fluororubber; Reinforcing composite metal skeleton: cold‑rolled steel plate; Dual garter springs: carbon steel. Vulcanized bonded composite assembly. Typical operating temperature range:‑20℃ ~ +200℃, max allowable working pressure ≤0.3 bar. NBR / HNBR material downgrade/upgrade available subject to quotation.
Applications & Compatibility
Primary applications: heavy‑duty truck wheel hub, drive axle, agricultural machinery, construction‑machinery rotary shafts. Compatible with gear oil, lithium‑based grease and most mineral‑based lubricants. Not suitable for strong polar‑solvent media. Aftermarket replacement part. Verify shaft OD, housing bore ID and installation depth before placing order; dimension mismatch or worn housing will trigger leakage risk.
Selection & Installation
Selection Tips
- Confirm dimension: shaft 85 mm, housing bore 120 mm, overall width 20 mm, effective sealing width 10 mm;
- ZD composite seal is specially developed for heavy‑duty hub / axle with strong vibration; not suggested to replace common TC/TG single‑piece seal blindly without checking installation depth;
- Confirm rubber compound according to actual working temperature and lubricant medium.
Installation Steps
- Thoroughly clean shaft and housing bore, fully remove burrs, metal chips and old‑seal residual;
- Apply compatible lubricant to sealing lip; strictly forbid dry‑installation;
- Install orientation: spring‑loaded main lip faces towards grease‑filled hub cavity;
- Adopt dedicated installation tool, apply uniform vertical press‑in force, forbid skew installation;
- Never strike rubber lip area directly with hammer;
- Press seal fully seated against housing shoulder;
- Manually rotate shaft after installation to verify smooth free‑movement.
Packaging & Delivery
Neutral poly‑bag inner, export carton outer. Carton packing quantity adjustable. Lead time 7‑15 working days. Sample and mixed‑size orders accepted. Payment terms & Incoterms confirmed in formal quotation. Documents available upon request: commercial invoice, packing list, certificate of origin.
Send inquiry with dimension, material, quantity and destination for firm lead‑time.
FAQ
I only have a competitor/OEM part number—can you cross-reference?
Yes. Send the reference PN, ID×OD×height in mm, and duty (media, temperature, pressure, speed). We match equivalents in the catalog; the Cross Reference page also searches by keyword. Final selection follows drawing and duty confirmation — do not order from a photo alone.
Do you support OEM/ODM, private packing and marking?
Yes — OEM/ODM from drawings or samples, plus agreed packing and marking. Share target-market compliance needs and annual volume; RFQ confirms process, tooling cost and cadence. VKEFOT is the export brand of the Xingtai factory, not a trading desk.
TC vs TB oil seal: which should I specify?
For a rotary shaft that needs a dust lip plus oil lip, start with TC (rubber-covered dual-lip is common); TB is typical when a semi-metal case needs a stiffer bore fit. Shaft diameter, housing, runout and dust still decide. Send ID×OD×height in mm and speed on the RFQ — not only a competitor photo.
NBR vs FKM oil seal for hot engine oil?
Continuous engine-oil duty near 120°C or fuel exposure should be reviewed as FKM; general mineral oil at moderate temperature and cost-sensitive repair jobs often stay NBR. Brown color is not proof of FKM. The quote names the grade and temperature limit — do not order by color.
Oil seal vs O-ring: when do I use which?
Use a metal-cased radial shaft (skeleton) oil seal for rotating shafts; use an O-ring for static glands or reciprocating grooves. An O-ring on a rotary shaft wears out quickly. VKEFOT makes both — state motion type (rotary/static/reciprocating) and ID×OD×section on the RFQ.
Cassette seal vs dual-lip TC for dusty construction equipment?
Ag gearboxes and construction travel shafts with mud and long service intervals should be reviewed as cassette/combined seals; many automotive hub repair jobs stay dual-lip TC. Cassette packs are thicker and need different bore and axial space. A job-site photo is not enough — send ID×OD×height.
Xingtai oil seal factory vs trading company — how do I tell?
VKEFOT is the export brand of Xingtai Hanchi Intelligent Technology Co., Ltd. Mixing, vulcanization and outgoing inspection run in Xingtai, then goods export to Europe, North America, the Middle East and Southeast Asia. A trading desk usually cannot change compound or cut tooling. For OEM drawings, ask who runs the process and QC — not only catalog price.
What is a skeleton / radial shaft oil seal?
A skeleton oil seal is a metal-cased radial shaft seal: the rubber lip rides the shaft and the case holds interference in the bore. Common styles include TC, TB and TA. Minimum spec is ID×OD×height in mm, compound and duty. VKEFOT catalogs automotive and industrial shaft seals; trust the product-page dimensions.
What do ID, OD and height mean on an oil seal RFQ?
ID is inside diameter (shaft), OD is outside diameter (bore), height is axial width, all in millimetres. Missing any one blocks a cross-reference. Example: 56×112×8/10 means 56 mm ID, 112 mm OD, 8/10 mm height. Put those three numbers and the compound on the RFQ.
Which oil seal for an automotive wheel hub or differential pinion?
Hub repair jobs often use dual-lip TC; differential pinion shafts often need a secondary lip or split height (e.g. 8/10 or 12/22 mm). Use measured or OEM dimensions — not a marketplace title. VKEFOT application pages cover drivetrains and hubs; send an OEM number or ID×OD×height on the RFQ.
How to select oil seals for ag gearbox and PTO shafts?
Ag gearboxes and PTO shafts see dust and shock — prefer a dust lip or cassette, with NBR or FKM matched to gear oil and temperature. Do not force a passenger-car hub seal onto a PTO shaft. Send shaft, bore, height and whether mud/water is present, then RFQ.
What matters for pump, valve and compressor shaft seals?
Match media (oil, water, gas) and temperature first, then lip style and compound; do not default to cheap NBR for high speed or dry running. Put shaft runout and eccentricity on the RFQ. VKEFOT application cases include pumps, valves and compressors — still use measured sizes.
Does a brown oil seal mean it is FKM?
No. Brown NBR is common; color is not proof of FKM. For heat or fuel duty, write temperature and media on the RFQ so the factory names the grade. Ordering by color is a frequent cause of early leak.
Can you quote an oil seal from a photo only?
Not as a firm quote. We need at least ID×OD×height in mm, ideally compound and speed. A photo can show lip count and case style; it does not replace dimensions. Incomplete RFQs get a request for those three numbers before price.
If a new oil seal leaks quickly, is it always a bad seal?
Not always. Rough shaft finish, runout, cocked installation or the wrong compound also leak early. Check size and media/temperature match before blaming the part, then inspect the journal. Note time-to-fail (e.g. 50 hours) on the RFQ so we diagnose — do not just buy a cheaper seal.
What is needed for private-label OEM packing of oil seals?
Private packing and marking need annual volume, target-market compliance and artwork; tooling cost and cadence are confirmed on the RFQ — not a one-line “please OEM”. VKEFOT runs OEM/ODM after drawings or samples are complete.
Who is VKEFOT and how does it relate to Xingtai Hanchi?
VKEFOT manufactures oil seals, O-rings and custom rubber seals in Xingtai and exports to Europe, North America, Middle East and Southeast Asia. The manufacturer is Xingtai Hanchi Intelligent Technology Co., Ltd. Use this wording on quotes and certificates — do not invent alternate spellings of the brand.
What is ZD 85x120x10/20 combined oil seal used for?
ZD 85×120×10/20 composite double‑spring oil seal is heavy‑duty hub & axle seal, designed for heavy‑truck, agricultural and construction machinery, resist heavy vibration, mud and splash contamination.
What are specs for ZD‑85‑120‑10/20‑FKM oil seal?
Dimension 85×120×10/20 mm, ZD composite outer‑rib double‑lip dual‑spring structure, brown FKM fluororubber, typical working temperature ‑20℃~+200℃, max pressure ≤0.3bar, product marking 2111Y‑2.
What is difference between ZD‑type and TG‑type oil seal?
ZD is composite assembled heavy‑duty hub seal with dual garter springs, higher anti‑vibration performance for heavy‑load hub; TG is single‑piece skeleton seal for general‑purpose gearbox/motor.