6306 Deep Groove Ball Bearing for Motorcycle Parts with P4 Precision Long Life 30x72x19mm - 1
6306 Deep Groove Ball Bearing for Motorcycle Parts with P4 Precision Long Life 30x72x19mm - 2
6306 Deep Groove Ball Bearing for Motorcycle Parts with P4 Precision Long Life 30x72x19mm - 3
6306 Deep Groove Ball Bearing for Motorcycle Parts with P4 Precision Long Life 30x72x19mm - 4
6306 Deep Groove Ball Bearing for Motorcycle Parts with P4 Precision Long Life 30x72x19mm - 5
ISO 9001
Certified
Genuine
Original
Global
50+ Countries

6306 Deep Groove Ball Bearing for Motorcycle Parts with P4 Precision Long Life 30x72x19mm

Boost your motorcycle's performance with the 6306 Deep Groove Ball Bearing, engineered for long-lasting precision in critical parts. This P4-grade 30x72x19mm bearing ensures smooth operation even under high speeds, reducing maintenance delays and keeping your machine on the road longer.

  • Precision-machined from high-quality bearing steel to meet strict ISO 9001 standards, delivering consistent radial load support and minimal noise
  • Features Z3V3 vibration class for enhanced stability, a must-have for motorcycle applications where smooth power transfer matters
  • Comes with our signature shockproof packaging and ready stock availability, ensuring you get the right part exactly when you need it
Quality
Premium Grade
TS 16949 certified
Lead Time
From 2 weeks
Express available
MOQ
Negotiable
Free samples $50k+
Support
Lifecycle
15+ engineers

Product Specifications

Parameter Details
Model NO. 6306
Material Bearing Steel
Spherical Non-Aligning Bearings
Load Direction Radial Bearing
Separated Unseparated
Lubrication Grease or Oil
Precision Rating P0 P6 P5 P4 P2
Vibration Z1V1 Z2V2 Z3V3
Feature Long Life, High Speed, Low Noise
Stock Rich Stocks
Transport by Sea or by Air
Service OEM ODM
Transport Package Carton Pallet
Specification 30*72*19 mm
Trademark NTN/NSK/NMB/Koyo/NACHI/Timken
Origin China
HS Code 8482102000

Application Industries

Industry Typical Equipment
Automotive Motorcycle Engines, Transmission Systems
Industrial Manufacturing Electric Motors, Pumps, Gearboxes

Reduce Motorcycle Downtime with 6306 Deep Groove Ball Bearing for Reliable Performance

Motorcycle maintenance teams often face unexpected downtime when bearings fail prematurely, especially in high-stress riding conditions. Sourcing reliable replacement parts can mean coordinating with multiple suppliers, each with different lead times and quality standards. This not only delays repairs but also creates uncertainty about part authenticity and performance.

6306 Deep Groove Ball Bearing: In Stock and Engineered for Long Life

Our 6306 Deep Groove Ball Bearing addresses these challenges with P4 precision and a 30x72x19mm dimension, specifically designed for motorcycle parts. As an officially authorized distributor, we maintain rich stocks of P4 precision grade bearings, ensuring rapid delivery for urgent repairs. Each unit undergoes standardized precision testing before shipment, matching the exacting requirements of motorcycle transmission systems and high-speed applications.

Optimal Performance in Motorcycle and Industrial Applications

This 6306 Deep Groove Ball Bearing excels in both radial load and high-speed scenarios, making it ideal for motorcycle engines, where consistent rotation and durability are critical. Its non-aligning design ensures stable operation under varying loads, while the long-life feature reduces the need for frequent replacements. Whether used in daily commuter bikes or high-performance motorcycles, this bearing maintains low noise and reliable performance even in extended service intervals.

Key Technical Specifications That Drive Reliability

The P4 precision rating of this bearing ensures minimal radial and axial runout, critical for maintaining motorcycle engine efficiency and reducing vibration. With a specification of 30x72x19mm, it fits standard motorcycle transmission components, while the bearing steel construction provides high wear resistance. The Z1V1 to Z3V3 vibration grades allow customization based on noise sensitivity, and the option for grease or oil lubrication adapts to different operating conditions. These features collectively extend bearing life by minimizing internal friction and heat buildup.

Why Genuine Bearings Matter for Motorcycle Maintenance

Counterfeit bearings may offer lower upfront costs but often fail prematurely due to substandard materials and manufacturing. This leads to costly rework, extended downtime, and potential safety risks for riders. Our 6306 Deep Groove Ball Bearing, sourced from trusted brands like NTN, NSK, and Timken, adheres to ISO 9001 and DIN standards. Each unit comes with complete certification documentation, ensuring traceability and compliance with quality requirements, ultimately lowering the total cost of ownership by reducing replacement frequency.

Trusted by Global Buyers for Over a Decade

With official brand authorization, we guarantee 100% authentic products, supported by a senior application engineering team with on-site project experience. Our precision-centric quality inspection covers incoming material verification to finished product delivery, ensuring every bearing meets strict standards. Serving 800+ clients across 45+ countries, we provide professional shockproof and dustproof logistics solutions to preserve bearing accuracy during transportation. For technical support, our dedicated engineers offer bearing selection and working condition matching tailored to specific motorcycle applications.

Packaging & Shipping

  • Carton pallet packaging with protective measures to prevent damage during transit
  • Rapid delivery from rich stock, with priority processing available for urgent orders
  • Flexible transportation options including sea and air freight
  • Real-time logistics tracking for full shipment visibility
  • Support for small to large quantity orders, with no minimum purchase requirement

Get Your 6306 Motorcycle Bearing Today

Don’t let bearing issues keep your motorcycle off the road. Send us your order details, including quantity and application specifics, and we’ll provide a unified quotation within one working day. With our ready stock and streamlined procurement process, you can minimize downtime and get back to reliable performance quickly.

Frequently Asked Questions

Q: Are these 6306 bearings genuine products?

A: Yes, we are an officially authorized distributor, ensuring 100% authentic products from brands like NTN, NSK, and Timken. Each bearing comes with full authorization certificates for traceability.

Q: How do I confirm if this 30x72x19mm bearing fits my motorcycle?

A: Provide your motorcycle model or existing bearing specifications, and our engineering team will verify compatibility and provide technical guidance at no cost.

Q: What is the warranty policy for this bearing?

A: We adhere to原厂质保标准, offering unconditional replacement for manufacturing defects. Our quality control process ensures each unit meets specified performance criteria before shipment.

Q: What is the minimum order quantity?

A: We accept orders starting from 1 unit, supporting both emergency repairs and bulk procurement needs.

Q: How long does shipping take?

A: In-stock items are shipped within 3-7 working days. We offer sea or air transport options, with real-time tracking provided for all orders.

Q: How can I verify the authenticity of the bearing?

A: Each bearing comes with original packaging, including brand trademarks and serial numbers. We also provide certification documents and can assist with manufacturer verification processes if needed.

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Send your bearing designation, application details, and quantity — we'll respond within 24 hours.

Procurement Process

From inquiry to lifecycle support

Our 5-step process ensures every order is engineered, validated, and supported for optimal performance.

01

Consultation

Technical needs assessment

02

Solution Design

Custom specifications

03

Sample & QC

Free samples for $50k+

04

Production

Pre-shipment inspection

05

Lifecycle Support

On-site & predictive

Request a Custom Quote

Get expert technical support for this product.

Our certified engineers respond within 24 hours with detailed technical specifications, pricing, and lead time information.

Response within 24 hours
Free samples for orders $50k+
Full technical documentation
No obligation, completely free
Direct Contact
info@skfiso.com
WhatsApp: +86 13963019862
No. 377 Bansongyuan Road, Shanghai, China
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