HTGR 30x50x8mm NBR Internal Skeleton Oil Seal For Automotive Transmission Gearbox
Model / SKU: VKEFOT-HTGR-30-50-8-NBR
This aftermarket HTGR internal skeleton oil seal 30x50x8mm in brown NBR fits automotive transmission, gearbox and drive shaft rotary sealing.
Tags: 30x50x8mm, HTGR oil seal, internal skeleton gearbox seal, automotive transmission shaft, brown NBR oil seal
Product photos
Technical summary
Product specifications. Refer to the approved drawing for dimensional tolerances and installation requirements.
| Spec | Value |
|---|---|
| Size (mm) | 30x50x8 |
| Material | NBR |
| Structure | HTGR type double lip internal skeleton oil seal with right-hand oil return thread |
| Size | 30x50x8mm |
Pricing: request a quote (B2B / wholesale).
MOQ / commerce notes: In stock: ships in 1 to 2 days | Not in stock but still in current production: 10 to 15 days | Not in stock and not in production: 25 to 30 days
Product details
This aftermarket HTGR double lip oil seal 30x50x8mm is a rotary shaft seal built for automotive transmission, gearbox and drive shaft sealing, suitable for vehicle repair, fleet maintenance and parts resale.
Importers, wholesalers and MRO buyers can submit RFQ with dimension, quantity, destination and working medium for a formal quotation.
Features & Benefits
Right-hand internal helical thread on the sealing lip pumps leaked oil back into the housing during shaft rotation, reducing steady-state seepage under continuous operation.
Dual lip design with a single garter spring delivers consistent radial pressure on the shaft, combining primary oil retention and secondary dust / splash exclusion.
NBR rubber lip offers good compatibility with mineral gear and transmission oils, with balanced wear resistance for typical automotive duty cycles.
Rigid internal metal skeleton maintains stable press fit in the housing bore and resists radial distortion under load.
Outer diameter with multi-ribbed profile improves static sealing between seal and housing, and reduces risk of seal rotation in bore.
Verify shaft diameter, housing bore and original part number before ordering; this is an aftermarket replacement, not a genuine OEM part.
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
Confirm compound grade with RFQ for high-temperature or special fluid applications.
Steel internal skeleton fully bonded to NBR rubber, right-hand helical oil return thread, brown finish.
Packaging & Delivery
Standard neutral polybag per piece, packed in export cartons.
Samples and small trial lots are available for stocked sizes; sample freight confirmed on RFQ.
Send an inquiry with size (ID×OD×height in mm), quantity, destination country and duty for a firm lead time and quotation.
FAQ
What is HTGR 30x50x8mm oil seal used for?
HTGR 30x50x8mm brown NBR oil seal is an internal skeleton rotary shaft seal for automotive transmission, gearbox and drive shaft, used to retain lubricant and block dust and splash water.
What is HTGR type internal skeleton oil seal?
HTGR oil seal is a double lip rotary shaft seal with internal metal skeleton and right-hand helical oil return thread, which pumps leaked oil back into the housing and reduces seepage under rotation.
What material is this HTGR transmission gearbox seal?
Made of NBR nitrile rubber with steel internal skeleton, brown finish, good compatibility with conventional mineral gear and transmission oils.
Is HTGR 30x50x8mm oil seal a genuine OEM part?
No — it is an aftermarket replacement rotary shaft oil seal. Verify dimension, housing bore and original part number before purchase.
How to install HTGR 30x50x8mm transmission oil seal without leakage?
1. Clean shaft and housing bore, remove burrs and old seal residue. 2. Lubricate lip and shaft lightly; do not install dry. 3. Press seal evenly and keep perpendicular to bore. 4. Do not hammer rubber lip directly; use a proper installation tool. 5. Rotate shaft manually after assembly and check for leakage.
What information should I send for an RFQ on this HTGR oil seal?
Submit ID×OD×height in mm, quantity, destination country, working medium and any custom requirements for a formal quotation.
Do you offer custom logo and export packaging for transmission seals?
Factory standard options are available for marking and packaging.