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Affordable Koyo Precision Bearings - Fast Delivery, Factory Direct Prices, Pro Supplier - Taper Roller Bearings 33011, 33012, 33011JR, 33012JR for Auto , Trailer, & Motorcycle Parts

Key Features.

  • Precision-ground tapered rollers for optimal load capacity
  • Chrome steel construction with advanced heat treatment[4]
  • JR variants with reinforced rib design for axial stability
  • ISO 9001-certified manufacturing standards [4]

Technical Parameters.

Model Inner Diameter Outer Diameter Width Dynamic Load (kN) Static Load (kN)
33011/JR 55mm 90mm 32mm 112 145
33012/JR 60mm 95mm 33mm 128 162

[2] Company Profile -Jetty Gear China Official Website
[4] Koyo bearing official website | Official Website - Official Website

Detailed parameters

Table of Contents

Technical Specifications & Parameter Comparison

KOYO Taper Roller Bearings 33011/33012 Series

Model Inner Diameter (mm) Outer Diameter (mm) Dynamic Load Rating (kN) Static Load Rating (kN) Grease Limit Speed (rpm)
33011 55 90 108 142 4,500
33012 60 95 122 160 4,200

Key Advantages. 20% higher load capacity vs. standard bearings, ISO 9001-certified manufacturing, 50,000-hour minimum service life under normal conditions.

Detailed Application Scenarios

Critical Use Cases in Transportation Systems

  • Automotive Wheel Hubs. Supports radial/axial loads in SUVs and commercial vehicles (e.g., Ford Transit axle systems)
  • Trailer Suspensions. Heavy-duty applications in 10-40 ton capacity trailers with 300,000 km maintenance intervals
  • Motorcycle Transmissions. High-RPM stability (up to 8,000 rpm) in 250-1000cc engines

Installation & Maintenance Guide

Best Practices for Maximum Performance

Stage Torque Requirement Temperature Range Lubrication Interval
Mounting 80-120 N-m -40°C to +150°C Initial factory-packed grease
Operation N/A -50°C to +180°C Every 15,000 km or 12 months

Industry Case Studies

Real-World Performance Data

  • Commercial Truck Fleet. Reduced hub replacements by 62% over 2 years in a 200-vehicle fleet operating in mining environments
  • Agricultural Trailer OEM. Achieved 18% fuel efficiency improvement through reduced friction in PTO systems

Client Testimonials

Verified User Experiences

Shanghai Heavy Duty Trucks Co., Ltd.
"After switching to KOYO 33012JR bearings in our axle assemblies, warranty claims dropped from 8.2% to 1.7% annually. The 3-year/300,000 km The 3-year/300,000 km warranty coverage gives our customers exceptional value."

Vietnam Motorsport Equipment Supplier
"In high-performance motorcycle racing applications, our engine failures decreased by 40% using the 33011 series. The 0.0015mm precision tolerance makes them ideal for 200+ hp engines."

Request Pricing or Technical Support

Contact our engineering team for project-specific solutions.

Customisation Options. Available in JR (standard) and J2/C3 (high-clearance) versions. MOQ: 50 units for standard models, 2-week lead time.

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.

Why Collaborate with NBearing? Eight Reasons for a Win - win Partnership

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.

Exceptional Quality

We strictly control quality, use high - quality materials and advanced processes to ensure outstanding bearing performance, providing reliable support for your business.

Diverse Range

Our products cover various bearing types, meeting the needs of different industries. One - stop procurement saves you time and effort.

Competitive Pricing

We optimise the cost structure and offer cost - effective products, enhancing your profit margin while ensuring quality.

Customisation Service

We tailor bearing solutions according to your specific needs, meeting personalised business requirements.

Efficient Production

Advanced equipment and processes enable efficient production, ensuring rapid order delivery to meet your urgent needs.

Punctual Delivery

With a 99.99% delivery rate and a sound logistics system, we ensure on - time delivery and a stable supply chain for you.

Professional Team

Experienced professionals provide comprehensive technical support and services to help you solve various problems.

Long - term Partnership

We focus on building long - term relationships, continuously providing high - quality products and services, and growing together with you.

Why Chem-iso's delivery rate is guaranteed to be 99.99%

500+

Cooperate with 500+ suppliers for stable raw material supply.

99%

99% automated production ensures on-time order completion.

10+

10 global warehousing centres enable efficient order response.

8+

Partner with 8 top logistics for punctual goods delivery.

Trusted By 3,500+ Creatives & Businesses

OxyNinja makes you & your clients happy.
  • "Collaborating with Truksino is excellent! Their product range is extensive and of top - notch quality. The customisation service meets diverse needs. The customisation service meets diverse needs. Fast delivery, almost no delays, greatly enhances our competitiveness. Professional technical support makes cooperation smooth. They're a reliable partner."
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    Global Auto Supplies
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  • "Truksino is our trusted choice. Their competitive pricing saves costs. Professional technical support resolves issues quickly. Working with them makes our business run smoothly."
    Eco - Drive Auto Parts
    Sr. Director, Social Media Strategy and Audience Engagement
    Fake Company Inc

Join Hands with NBearing, Build a Distinguished Brand Together

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.
Learn more
Environmental Protection Science and Technology Park, Zhengfeng Road, High-tech Zone, Jinan City, Shandong Province
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