100x140x11/21mm TB Oil Seal OEM 31C89G‑04080 For Medium‑Light‑Duty Commercial Truck Rear Axle Hub
Model / SKU: 100‑140‑11‑21‑TB‑NBR‑31C89G‑04080‑STD
Brand‑new factory direct TB‑type rear axle hub oil seal, OEM NO.31C89G‑04080, dimension 100×140×11/21 mm, NBR rubber lip with stamped metal shell. Specially fit for medium‑light‑duty commercial truck with Dana rear axle. Prevent rear axle gear‑oil leakage and block road dust, mud and splash water, heavy‑duty aftermarket truck spare parts, ready in stock for wholesale export.
Tags: NBR oil seal, rear axle hub seal, medium‑light‑duty commercial truck, tb step metal casing seal
Product photos
Key specs: Inner diameter mm: 100 | Outer diameter mm: 140 | Height mm: 11/21 | Material: NBR | specifications: 100x140x11/21mm｜OEM:31C89G‑04080｜Material:NBR sealing lip + stamped carbon‑steel metal shell｜Structure:TB‑type step metal outer casing oil seal with garter spring｜Fit for medium‑light‑duty commercial truck Dana rear axle hub | Size: 100x140x11/21mm｜OEM:31C89G‑04080｜Material:NBR sealing lip + stamped carbon‑steel metal shell｜Structure:TB‑type step metal outer casing oil seal with garter spring｜Fit for medium‑light‑duty commercial truck Dana rear axle hub
- Inner diameter mm: 100
- Outer diameter mm: 140
- Height mm: 11/21
- Material: NBR
- specifications: 100x140x11/21mm｜OEM:31C89G‑04080｜Material:NBR sealing lip + stamped carbon‑steel metal shell｜Structure:TB‑type step metal outer casing oil seal with garter spring｜Fit for medium‑light‑duty commercial truck Dana rear axle hub
- Size: 100x140x11/21mm｜OEM:31C89G‑04080｜Material:NBR sealing lip + stamped carbon‑steel metal shell｜Structure:TB‑type step metal outer casing oil seal with garter spring｜Fit for medium‑light‑duty commercial truck Dana rear axle hub
Technical summary
Product specifications. Refer to the approved drawing for dimensional tolerances and installation requirements.
| Spec | Value |
|---|---|
| Size | 100x140x11/21mm｜OEM:31C89G‑04080｜Material:NBR sealing lip + stamped carbon‑steel metal shell｜Structure:TB‑type step metal outer casing oil seal with garter spring｜Fit for medium‑light‑duty commercial truck Dana rear axle hub |
Pricing: request a quote (B2B / wholesale).
Product details
This TB‑type heavy‑duty truck oil seal OEM#31C89G‑04080 is replacement part for medium‑light‑duty commercial truck rear‑axle hub. Dimension ID100mm × OD140mm, mounting width 11 mm, overall total height 21 mm.
Adopts robust stamped step‑shape metal outer shell and NBR nitrile rubber sealing lip. Effectively retains rear axle gear lubricant inside axle housing, stops dust, mud, sand and splash‑water invading into wheel hub assembly. Widely used for medium‑light‑duty commercial truck equipped with Dana drive axle. Suitable for auto repair shop, domestic auto‑parts wholesale and cross‑border truck‑parts export business.
Core functions
- Prevent rear axle gear oil leakage under heavy‑load road vibration
- Resist mud, grit and splash‑water contamination for hub bearing
- Step‑form metal shell for precise interference press‑fit into axle housing bore
- Stable sealing performance under long‑distance heavy‑duty transport condition
Material and process
- Material：NBR nitrile rubber sealing lip, anti‑rust painted stamped carbon‑steel metal shell, garter spring
- Structure：TB‑type step outer casing rotary shaft oil seal
- Key properties：Gear‑oil resistant, mud‑proof, anti‑vibration, anti‑aging
Working temperature:‑20℃ ~ +120℃
Manufacturing features
High‑temperature vulcanization bonding between NBR rubber and metal shell, avoid delamination under truck bumping vibration.
Precision‑machined sealing lip with garter spring maintains consistent radial pressure on shaft surface.
Anti‑rust treated metal shell adapts to chassis undercarriage harsh working environment.
NBR compound compatible with commercial vehicle rear‑axle gear oil.
Upgrade option：FKM fluoro‑rubber variant for higher‑temperature heavy‑load working scenarios.
Application and compatibility
Product Type：TB‑type rear axle hub oil seal for medium‑heavy‑duty truck
Key dimension：ID100mm × OD140mm, mounting thickness11mm, overall height21mm
OEM Part‑Number：31C89G‑04080
Compatible media：Truck rear‑axle gear oil, general vehicle lubricants.
Fit application：Medium‑light‑duty commercial trucks equipped with Dana rear drive axle, rear wheel hub / half‑shaft sleeve sealing.
Buyer reminder：This is aftermarket replacement spare part for truck rear axle hub (NOT engine component). Please verify shaft dimension, housing bore and seal structure before placing order. Dimension mismatch will result in oil leakage after installation.
Selection guide
Selection Tips
- Confirm dimension ID100mm, OD140mm, mounting thickness11mm, total height21mm, TB step‑metal‑shell structure and OEM number 31C89G‑04080.
- Standard NBR version for normal rear‑axle gear‑oil environment; select FKM upgrade for high‑temperature heavy‑load working condition.
- Inspect shaft and housing bore before installation; repair shaft wear, corrosion and burrs. Damaged mating surfaces will trigger premature oil‑seal leakage.
Installation Steps
Preparation
Thoroughly clean axle housing bore and half‑shaft surface, remove old seal fragments, grease dirt and metal burrs.
Pre‑lubrication
Coat sealing lip and shaft surface with matched heavy‑duty differential gear‑oil. Dry installation is strictly forbidden; dry friction will burn sealing lip quickly.
Orientation Confirmation
Main sealing lip points toward gear‑oil cavity; outer dust lip faces outward. Wrong installation direction leads to oil leakage and lost mud‑proof protection.
Vertical Press‑fit
Use dedicated press‑sleeve tool to press TB oil‑seal evenly and vertically. Never strike rubber lip or metal shell directly, to avoid shell deformation and lip tearing.
Seating Inspection
Ensure full flat contact between seal shell and housing seating surface, no tilt or gap.
Visual Check
Examine sealing lip for invisible nicks and shell deformation; tiny hidden damage will cause seepage after commissioning.
Rotation Test
Manually rotate hub assembly to confirm smooth rotation without abnormal binding resistance.
Packaging and delivery
- Inner package：Individual anti‑dust poly bag for each piece to protect sealing lip from scratch.
- Outer package：Reinforced export carton.
- Packing quantity：Adjustable per purchase requirement.
- MOQ：Stock items no MOQ, sample order supported.
- Lead‑time：Stock goods ship within 3‑5 working days; custom logo & export‑special‑packaging orders 30‑45 working days.
- Custom options：Custom logo printing available, custom‑order MOQ≥1000 pcs.
Shipping protection: Moisture‑proof, dust‑proof and anti‑collision packing to prevent deformation during transit.
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 31C89G‑04080 oil seal used for?
31C89G‑04080 TB‑type oil seal 100x140x11/21mm, NBR material, heavy‑duty truck rear‑axle hub replacement seal for medium‑light‑duty commercial truck with Dana rear axle, prevents rear‑axle gear‑oil leakage and blocks mud and splash‑water. It is axle chassis spare part, not engine part.
What are full specifications?
Size:ID100mm × OD140mm, mounting thickness11mm, overall height21mm; OEM NO:31C89G‑04080; Material:NBR lip + stamped metal shell + garter spring; Working temperature:‑20℃ ~120℃; Application:Medium‑light‑duty commercial truck Dana rear‑axle hub sealing.
Which vehicle fits OEM 31C89G‑04080 oil seal?
This TB‑type oil seal is aftermarket replacement for medium‑light‑duty commercial trucks equipped with Dana rear drive axle, please confirm shaft dimension, housing bore and seal profile before purchase.