Affordable & Fast Delivery: Koyo, NTN, NSK, NACHI Original Brand Tapered Roller Bearings 33118/19/18JR/19JR - Auto & Trailer Parts Factory Direct
Affordable & Fast Delivery: Koyo, NTN, NSK, NACHI Original Brand Tapered Roller Bearings 33118/19/18JR/19JR - Auto & Trailer Parts Factory Direct - Image 2
Samples: Available / Stock: Sufficient
Estimated delivery time: 3-5 days

Affordable & Fast Delivery: Koyo, NTN, NSK, NACHI Original Brand Tapered Roller Bearings 33118/19/18JR/19JR - Auto & Trailer Parts Factory Direct

Genuine OEM tapered roller bearings from leading manufacturers Koyo, NTN, NSK, and NACHI. Designed for automotive systems and trailer components, these premium 33118/33119 series bearings ensure smooth operation under radial/axial loads. Designed for automotive systems and trailer components, these premium 33118/33119 series bearings ensure smooth operation under radial/axial loads.

Technical Parameters

  • Part Numbers. 33118, 33119, 33118jr, 33119jr
  • Brand. Koyo, NTN, NSK, NACHI
  • Type. Metric Tapered Roller Bearing
  • Application. Wheel hubs, transmissions, axles (Auto/Trailer)
  • Inner Diameter. 90-95 mm
  • Outer Diameter. 140-150 mm
  • Width. 32-36 mm
  • Material. Chrome steel (GCr15 equivalent)
  • Cage. Steel pressed cage
  • Dynamic Load. 180-210 kN
  • Static Load. 200-240 kN
  • Certification. ISO 9001, IATF 16949

Detailed parameters

Table of Contents

Tapered Roller Bearings 33118, 33119, 33118JR, 33119JR: Specifications & Comparisons

Key Specifications

Model Inner Diameter (mm) Outer Diameter (mm) Width (mm) Dynamic Load Rating (kN) Static Load Rating (kN)
33118 90 150 45 320 380
33119 95 160 48 360 420
33118JR 90 150 45 315 375
33119JR 95 160 48 355 415

Model Comparison

The "JR" suffix denotes enhanced radial load capacity and heat resistance, ideal for high-stress environments like heavy-duty trailers. models (33118/33119) suit general automotive applications.

Industrial & Commercial Applications

Primary Uses

  • Automotive. Wheel hubs, transmissions, and differential systems in trucks and buses.
  • Trailer Systems. Axle assemblies for cargo trailers, tankers, and agricultural equipment.
  • Industrial Machinery. Conveyors, gearboxes, and mining equipment requiring high radial/axial load support.

Performance Advantages

  • 15-20% longer service life compared to generic bearings under heavy loads.
  • Operational temperature range: -30°C to +200°C.
  • ISO 9001-certified manufacturing with ≤0.005mm dimensional tolerance.

Installation Guidelines & Maintenance

Step-by-Step Installation

  1. Clean housing and shaft surfaces to remove contaminants.
  2. Apply lithium-based grease to bearing surfaces.
  3. Use hydraulic press for mounting (max pressure: 50kN).
  4. Verify axial clearance (0.1-0.15mm for automotive use).

Maintenance Schedule

  • Relubricate every 15,000 km or 6 months for vehicles.
  • Inspect for pitting/spalling every 50,000 km.

Industry-Specific Use Cases

Case 1: Commercial Truck Wheel Hub Retrofit

A European fleet operator replaced competitors' bearings with NTN 33119JR units across 120 trucks, achieving 82% reduction in hub failures over 200 A European fleet operator replaced bearings with NTN 33119JR units across 120 trucks, achieving 82% reduction in hub failures over 200 000 km.

Case 2: Mining Conveyor System Upgrade

NSK 33118 bearings increased conveyor uptime from 83% to 97% in a Chilean copper mine, handling 12-ton hourly ore loads.

Verified Client Success Stories

Client A: Heavy Haulage Trailer Manufacturer (Germany)

  • Challenge: Frequent bearing seizures in 40-ton GCWR trailers
  • Solution: Koyo 33119JR with custom seal kit
  • Result: 18-month warranty period achieved, vs. previous 9-month cycle

Client B: Wind Turbine Service Provider (USA)

  • Challenge: Premature bearing wear in yaw systems
  • Solution: NACHI 33118 units with speciality lubricant
  • Result: Maintenance intervals extended from 6 to 18 months

Request Customized Bearing Solutions

Email technical specifications or OEM part numbers for immediate cross-reference.

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Why Choose Our Products?

  • Direct factory pricing (15-30% below distributor rates)
  • MOQ: 10 units for prototype orders
  • FOB/DAP/DDP shipping from China, EU, and US warehouses

About the company

nbearing is a professional bearing firm. We offer top-notch bearing products globally. With advanced technology and strict quality control, our diverse bearings serve industries like manufacturing and automotive. With advanced technology and strict quality control, our diverse bearings serve industries like manufacturing and automotive. Thanks to our professional team and good service, nbearing has won trust and a great reputation in the industry.

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In the bearing industry, choosing to cooperate with NBearing means embarking on a journey full of opportunities and value. we become your ideal partner with numerous outstanding advantages.

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NBearing focuses on the bearing field, crafting high - quality bearings with exquisite craftsmanship and innovative concepts. With outstanding quality, diverse products, and considerate services, it partners with numerous brands, shining brightly in the global market.
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