Affordable & Fast Delivery: Factory Direct P6 Precision Taper Roller Bearings - 30284/86/88/90 - KHRD Best Price Guarantee
Affordable & Fast Delivery: Factory Direct P6 Precision Taper Roller Bearings - 30284/86/88/90 - KHRD Best Price Guarantee - Image 2
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Estimated delivery time: 3-5 days

Affordable & Fast Delivery: Factory Direct P6 Precision Taper Roller Bearings - 30284/86/88/90 - KHRD Best Price Guarantee

  • Model Numbers. 30284, 30286, 30288, 30290
  • Type. Single-Row Taper Roller Bearing
  • Precision Class. P6 (ISO 492)
  • Cage Material. Steel Stamped
  • Dimensions. Customizable inner/outer diameters & width
  • Dynamic Load Rating. 325kN-785kN (varies by model)
  • Static Load Rating. 245kN-580kN (varies by model)
  • Lubrication. Grease or Oil (pre-lubricated optional)
  • Operating Temp. -30°C to +120°C (extended range available)
  • Certification. ISO 9001, ABEC-3 equivalent

Detailed parameters

Table of Contents

1. Product Specifications & Comparison

KHRD Taper Roller Bearings 30284/30286/30288/30290 (P6 Precision Grade)

Model Inner Diameter (mm) Outer Diameter (mm) Dynamic Load Rating (kN) Static Load Rating (kN) Max Speed (rpm)
30284 420 650 1,850 3,200 1,200
30286 430 670 2,100 3,600 1,100
30288 440 690 2,350 4,000 1,000
30290 450 710 2,600 4,400 950

*All models feature ISO 492 P6 precision tolerance (±0.005mm radial clearance).

2. Key Industrial Applications

Heavy-Duty Performance Solutions

  • Mining Conveyor Systems: Withstand 24/7 operation under 15-20 ton radial loads
  • Wind Turbine Gearboxes: 98.7% uptime in -30°C to 120°C environments
  • Steel Rolling Mills: 40% longer service life vs. standard bearings in high-torque scenarios

3. Installation Best Practices

Technical Guidelines (ISO 14728-2 Compliant)

  1. Clean housing surfaces to Ra 0.8μm roughness
  2. Pre-heat bearings to 80-100°C for interference fits
  3. Apply Mobilith SHC 220 grease (35-40% cavity fill)
  4. Verify axial preload: 0.03-0.05mm for P6 precision

4. Real-World Use Cases

Case 1: Cement Plant Rotary Kiln Upgrade

Problem:: Frequent bearing failures every 6-8 months
Solution: Installed 30288 bearings with custom 3D-lapped raceways
Result: 22-month continuous operation (183% lifespan increase)

5. Verified Client Success Stories

Client A: Middle East Oil Drilling Equipment Manufacturer

  • Application: Offshore platform crane slewing rings
  • Challenge: Saltwater corrosion + 5G vibration loads
  • Outcome: 30286 bearings with special nitride coating achieved 10,000+ operating hours

6. Request Customised Solutions

Contact our bearing engineers for technical specifications sheets.

info@vivalr.com
+86 15866781826

[7] Taper Roller Bearings: The Ultimate Guide for Engineers

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

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Competitive Pricing

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

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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.

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

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Cooperate with 500+ suppliers for stable raw material supply.

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99% automated production ensures on-time order completion.

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Partner with 8 top logistics for punctual goods delivery.

Trusted By 3,500+ Creatives & Businesses

OxyNinja makes you & your clients happy.
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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.
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Environmental Protection Science and Technology Park, Zhengfeng Road, High-tech Zone, Jinan City, Shandong Province
(86) 15866781826
(86) 15866781826

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