130x155x20mm TB‑Type Metal‑Cased Oil Seal, NBR Rubber Heavy‑Duty Commercial Vehicle Axle Hub Shaft Seal

This TB‑style metal‑cased skeleton oil seal dimension 130×155×20 mm is brand‑new aftermarket replacement part for heavy‑duty commercial vehicle axle‑hub and differential shaft.

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

Core functions

• Prevent axle‑hub gear‑oil and bearing‑grease leakage under heavy‑duty driving vibration
• Isolate shaft assembly from mud, grit and splash‑water contamination
• Rigid metal‑cased structure ensures stable positioning and press‑fit installation
• Reliable sealing performance for long‑haul heavy‑duty transportation

Features & Benefits

• Rigid TB full metal‑cased skeleton structure, stable interference press‑fit for axle‑hub housing bore.
• NBR sealing lip with garter‑spring pre‑load design, good oil‑resistant and wear‑resistant performance.
• Strict dimensional tolerance control, suitable for heavy‑duty commercial‑vehicle axle‑hub and differential shaft replacement.
• Brand‑new high‑quality aftermarket spare part, 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 auto‑parts distributors.
• Firm vulcanized 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：NBR nitrile rubber, full metal case, garter spring
• Structure：TB type metal‑cased rotary shaft skeleton oil seal
• Key properties：Oil‑resistant, wear‑resistant, dust‑proof, anti‑vibration, anti‑aging
  Working temperature:‑20℃ ~ +120℃

Manufacturing features

• Firm vulcanization bonding between metal shell and rubber lip, stable performance under chassis bumping vibration.

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

• NBR compound has good compatibility 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.