190x232x30mm Oil Seal | TB Type NBR Oil & Auto Parts
Model / SKU: 190-232-30-tb-nbr
190×232×30mm TB-type oil seal, made of premium brown NBR nitrile rubber with exposed metal outer case and built-in garter spring. Brand new high-quality aftermarket auto part with excellent oil resistance and wear resistance, designed for commercial vehicle wheel hub and axle shaft sealing. Direct interchangeable with standard industry sizes, ideal for auto parts distributors, repair workshops, fleet maintenance and cross-border wholesale procurement.
Tags: 190x232mm oil seal, TB type oil seal, NBR auto seal, oil resistant shaft seal, heavy duty auto parts, aftermarket oil seal, metal case oil seal, truck axle seal
Product photos
Pricing: request a quote (B2B / wholesale).
Product details
This 190×232×30mm TB-type oil seal is a high-performance aftermarket sealing solution for commercial vehicle wheel hub and drive axle systems, widely applied in heavy duty truck chassis and rotating shaft components.
It adopts an exposed steel outer case for rigid mounting and structural stability, paired with precision-machined primary oil-sealing lip and secondary dust-proof lip. A built-in carbon steel garter spring maintains consistent radial preload on the shaft surface, even under heavy load vibration and road impact. The inner lip retains hub gear oil and bearing grease inside the assembly, while the outer lip blocks road dust, mud, grit and splash water from invading the bearing chamber, effectively extending the service life of hub bearings and shaft parts.
Produced with strict dimensional tolerance control, it matches standard industry size specifications and can be directly installed without modification. We maintain stable finished goods inventory to support fast delivery and large-volume procurement for global automotive aftermarket channels.
Core value for buyers
- Standard interchangeable dimensions, direct drop-in replacement for auto repair
- Metal case structure for stable mounting and reliable sealing performance
- Factory direct pricing, cost-effective for bulk sourcing and repair shops
- Consistent batch quality, suitable for long-term scheduled replenishment
Material and process
- Material：Premium grade brown NBR nitrile rubber sealing lips, cold-rolled steel outer case, carbon steel garter spring
- Structure：TB type double-lip metal-cased rotary shaft oil seal
- Hardness：70±5 Shore A
- Key performance：Oil resistant, wear resistant, dust-proof, anti-vibration, anti-aging
Working temperature range: -30℃ ~ +120℃
Manufacturing process
Integrated vulcanization bonding between rubber lip and metal case
Precision grinding of sealing lip edge for uniform contact pressure with shaft
Dimensional inspection per production batch before shipment
Quality control aligned with automotive aftermarket part standards
Upgrade option：FKM fluoroelastomer version available for higher temperature working conditions
Application and compatibility
- Product Type：Aftermarket TB-type metal-cased oil seal for automotive and commercial vehicles
- Core dimensions：ID 190mm × OD 232mm × Thickness 30mm
Compatible fluids: Hub gear oil, wheel bearing grease, drive axle lubricants, general chassis lubricants
Fit applications
Heavy duty commercial truck wheel hub sealing
Truck drive axle shaft housing sealing
Automotive chassis rotating shaft sealing
Industrial equipment same-size rotating shaft sealing
Aftermarket repair and replacement service scenarios
Suitable for：Auto parts distributors, independent repair workshops, fleet maintenance centers, cross-border auto parts traders
Buyer notice：This is a universal aftermarket replacement part. Please confirm shaft diameter, housing bore size and seal thickness before ordering. Dimension mismatch will cause lubricant leakage after installation.
Selection guide
Selection Guide
- Confirm shaft ID 190mm, housing OD 232mm, required thickness 30mm and TB metal-case double-lip structure.
- Standard NBR version for normal automotive operating conditions (-30℃~120℃); select FKM upgrade for high-temperature and chemically aggressive environments.
- For bulk repair or fleet maintenance projects, contact us for exclusive volume pricing.
Installation Steps
Surface Preparation
Thoroughly clean the hub housing bore and shaft surface, remove old seal residue, dirt, rust and metal burrs.
Pre-lubrication
Apply matching bearing grease or gear oil evenly on the sealing lip and shaft mating surface. Dry installation is strictly prohibited as it will cause premature lip wear and failure.
Orientation Confirmation
The main sealing lip faces the lubricant cavity side; the dust-proof lip faces the wheel outer side. Reverse installation will cause oil leakage and loss of dust protection.
Press-fit Installation
Use a dedicated press sleeve tool to press the seal in evenly and vertically. Never strike the metal case directly to avoid seal deformation and lip tearing.
Post-installation Check
Ensure the seal sits fully flush inside the housing bore without tilt or offset. Inspect the sealing lip for nicks, scratches and deformation.
Function Test
Manually rotate the wheel hub assembly to confirm smooth rotation without abnormal binding resistance.
Packaging and delivery
- Inner packaging：Each piece individually packed in anti-dust poly bag to protect the sealing lip from scratches and contamination.
- Outer packaging：Standard export corrugated carton with shock-proof padding. Custom packaging with private label available.
- Packing quantity：Adjustable per bulk order requirements.
Lead time
Stock items：Ship within 7-15 working days after payment
Custom private label / packaging orders: 25-40 working days
Large volume bulk orders: Lead time to be confirmed based on quantity
Custom services：Private label printing, custom packaging design, consolidated shipping for mixed SKUs
Shipping terms：EXW, FOB, CIF available
Export documents：Commercial invoice, packing list, certificate of origin, dimensional test report available on request
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 190x232x30mm oil seal used for?
It is widely used for commercial vehicle wheel hub and drive axle shaft sealing, retaining gear oil and bearing grease while blocking road dust, mud and splash water.
What type of seal is this 190x232mm oil seal?
It is a TB type metal-cased double-lip oil seal, with exposed steel outer case and NBR sealing lips, designed for heavy duty automotive sealing applications.
What material is this auto oil seal made of?
Made of premium grade brown NBR nitrile rubber sealing lips with cold-rolled steel outer case and carbon steel garter spring, working temperature -30℃ to +120℃.