115x145x14mm Metal‑Cased Oil Seal, NBR Black Rubber Skeleton Oil Seal

This TB‑style metal‑cased skeleton oil seal dimension 115×145×14 mm is brand‑new aftermarket replacement part manufactured in China for heavy‑duty commercial vehicle axle and hub shaft.

Adopts full metal outer shell bonded with black NBR rubber sealing lip and built‑in garter spring. Effectively retain gear oil or bearing grease inside axle‑hub assembly, prevent lubricant leakage under road vibration. Blocks mud, sand, dust and splash‑water from invading shaft chamber. Widely applied for vehicle repair workshops, domestic auto‑parts wholesale and cross‑border commercial‑vehicle‑parts export business.

Core functions

• Prevent axle‑hub lubricant leakage under heavy‑load driving vibration
• Isolate shaft assembly from mud, grit and splash‑water contamination
• Rigid metal‑cased profile for stable press‑fit installation into housing bore
• Reliable sealing performance for long‑distance heavy‑duty transportation

Features & Benefits

• Rigid full metal‑cased TB skeleton structure, stable interference press‑fit for axle‑hub housing bore.
• Black NBR sealing lip with garter‑spring pre‑load design, retains axle‑hub lubricant and blocks mud, dust and splash‑water.
• Strict dimensional tolerance control, direct aftermarket replacement for heavy‑duty commercial‑vehicle axle‑hub shaft.
• Brand‑new high‑quality product made in China, durable sealing performance for heavy‑duty chassis working conditions.
• Adequate in‑stock supply, support sample trial, small‑batch retail and large‑volume export wholesale.
• OEM private‑label service available for overseas commercial‑vehicle‑parts distributors.
• Firm vulcanization bonding between metal shell and rubber, excellent anti‑vibration performance for vehicle undercarriage.
• FKM fluoro‑rubber upgrade option available for severe high‑temperature heavy‑load working scenarios.

Material & Process

• Material：Black NBR nitrile rubber, full metal case, garter spring
• Structure：TB type metal‑cased rotary shaft skeleton oil seal
• Key properties：Oil & grease resistant, mud‑proof, anti‑vibration, anti‑aging
  Working temperature:‑20℃ ~ +120℃

Manufacturing features

• Metal shell and rubber lip firmly vulcanized together, stable performance under chassis bumping vibration.

• Precision‑formed sealing lip with garter spring maintains consistent radial pre‑load pressure.

• NBR compound compatible with commercial‑vehicle gear‑oil and bearing grease.

• Upgrade option：FKM fluoro‑rubber variant for higher‑temperature heavy‑load working scenarios.

Packaging & 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 and lead time：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.
  Shipping protection: Moisture‑proof, dust‑proof and anti‑collision packing to prevent deformation during transit.