TBG 85x105x13mm Semi-Enclosed Iron Shell Oil Seal NBR for Automotive Shaft

This aftermarket TBG semi-enclosed iron shell oil seal measures 85mm ID, 105mm OD and 13mm in height, manufactured with NBR rubber and a semi-enclosed steel outer shell. It is designed for oil-resistant and wear-resistant rotary shaft sealing in automotive applications.

Importers, wholesalers, auto repair shops and MRO distributors can submit RFQ with dimension, quantity, destination and working medium for a formal quotation. Lead Time: 7–15 days for standard production.

Features & Benefits

Semi-enclosed iron shell construction provides rigid housing support and partial lip protection, resists radial distortion and maintains seal alignment under vibration and dynamic loads.
Double lip design with a single garter spring maintains consistent radial contact pressure on the shaft. Primary lip retains lubricating oil; secondary lip blocks dust and light contaminants.
NBR rubber lip delivers reliable oil resistance and wear resistance for typical automotive duty cycles, compatible with mineral oils and standard greases.
Precision machined outer diameter ensures reliable static sealing between seal and housing, compensates for minor bore tolerances and surface imperfections.
Standard metric dimensions fit common TBG-type housing specifications, suitable for direct aftermarket replacement in automotive rotary assemblies.
This is an aftermarket replacement seal, not a genuine OEM part. Always verify shaft diameter, housing bore and application before ordering.

• MOQ：Depends on spec; typically 100–5,000 pcs. Lead Time: 7–15 days. This SKU quantity confirmed on quotation.
  Factory standard options are available for marking and packaging; confirm all requirements on RFQ.

Material & Process

• Sealing lip：NBR (nitrile butadiene rubber)
• Reinforcement：semi-enclosed steel (iron) outer shell
• Spring：carbon steel garter spring
  Continuous working temperature: -30°C to +100°C; short-term peak up to +120°C. Confirm compound grade with RFQ for special applications.
• Compatible with：mineral engine oil, gear oil, lithium grease, standard hydraulic fluids

Applications & Compatibility

Commonly used for automotive rotary shafts, auxiliary drives and light industrial equipment sealing; oil-resistant and wear-resistant design fits standard on-road operating conditions.
Aftermarket replacement. Verify shaft diameter, housing bore and application before order.

Selection & Installation

Selection Tips

Confirm shaft ID 85mm, housing OD 105mm, seal height 13mm. Select NBR compound for standard temperature mineral lubricant applications.

Installation Steps

1. Thoroughly clean the shaft and housing bore. Remove all burrs, old seal residue, rust and contamination.
2. Lightly lubricate the sealing lip and shaft with the same oil or grease used in the assembly. Do not install dry.
3. Press the seal evenly into the housing using a proper installation tool. Keep the seal perfectly perpendicular to the bore.
4. Do not strike the rubber lip or hammer directly on the iron shell edge. Avoid cocking or distorting the seal.
5. After assembly, rotate the shaft by hand to check for binding. Inspect for leakage during initial test run.

Packaging & Delivery

Standard packaging: neutral polybag per piece, export carton outer packing. 50–200 pcs per carton (adjustable).

• Lead Time：7–15 days for standard production.
  Samples available for stocked sizes; sample charge and freight confirmed on request.
  Custom logo printing and private label packaging available; confirm all requirements at quotation stage.
  Send an inquiry with size (ID×OD×height in mm), quantity, destination country, working medium and any custom requirements for a firm lead time.