Spherical Roller Bearing 21305 21306 21307 Long Life for Mining Equipment
Famous Brand Bearing

ISO

Certified

P0-P4

Precision

1 PC

Min. Order

Famous Brand Bearing SKF Bearings SKF Bearings

Spherical Roller Bearing 21305 21306 21307 Long Life for Mining Equipment

Minimize downtime in mining operations with our Long Life Spherical Roller Bearing series (21305, 21306, 21307), engineered to deliver reliable performance under heavy loads and harsh conditions. Crafted with premium chrome steel and precision manufacturing (P0-P4 grade), these bearings reduce maintenance interruptions and extend equipment service life—critical for keeping your machinery running at peak efficiency.

  • 25x62x17mm dimension (21305) with self-aligning design to accommodate shaft misalignment, a common challenge in mining equipment
  • High speed (up to Z4 noise grade) and low vibration performance ensure smooth operation even in continuous-duty applications
  • Customizable options available to match specific mining machinery requirements, backed by our ISO 9001-certified quality control

MOQ

1 Piece

Lead Time

5-15 Days

Warranty

12 Mo.

Precision

P0-P4

Noise Grade

Z2-Z4

Customization

OEM/ODM

  • High-grade chrome steel for long service life
  • Strict raw material inspection & full process monitoring
  • ISO 9001:2015 & ISO 14001 certified
  • ABMA & DIN standards compliant
  • Free samples for qualified distributors
  • T/T, Credit Card & Alibaba payment accepted

Product Details

Product Specifications

Parameter Details
Model NO. 21305
Feature Long Life, High Speed, Low Noise
Specification 25x62x17mm
Trademark SKF
Origin Sweden
HS Code 8482300000
Production Capacity 500000
Customerized Customizable
Sample Available
Transport Package Carton Pallet
Package Size 5.00cm * 9.00cm * 4.00cm
Package Gross Weight 0.160kg

Application Industries

Industry Typical Equipment
Mining Excavators, Crushers, Conveyors
Automotive Gearboxes, Transmission Systems
Industrial Manufacturing Electric Motors, Fans, Machine Tools

Reduce Downtime with Reliable Spherical Roller Bearings 21305 for Mining Equipment

Mining operations face critical challenges when equipment bearings fail prematurely—unplanned shutdowns disrupt production schedules, increase maintenance costs, and erode profitability. Sourcing genuine bearings with consistent quality and flexible order options remains a persistent pain point for maintenance managers and procurement teams.

Spherical Roller Bearing 21305: Engineered for Long Life in Heavy-Duty Applications

Our Spherical Roller Bearing 21305 addresses these challenges with its long-life design, high-speed capability, and low noise operation. As a professional bearing manufacturer and supplier with decades of export experience, we ensure product authenticity and stable supply. This bearing, with dimensions 25x62x17mm, is ideal for mining equipment, automotive gearboxes, and industrial fans, where reliability under heavy loads is non-negotiable.

Optimal Performance in Demanding Mining Conditions

Spherical roller bearings excel in applications with misalignment, heavy radial loads, and moderate axial loads—common in mining crushers and conveyors. The 21305 model’s robust construction handles high-speed rotation while maintaining low noise levels, critical for both equipment efficiency and operator comfort. Its ability to withstand variable loads makes it a trusted component in continuous operation scenarios.

Key Technical Features That Ensure Durability

The 21305 Spherical Roller Bearing combines essential technical attributes to deliver consistent performance. Its 25mm bore diameter and 62mm outer diameter provide a balanced load distribution, while the 17mm width enhances stability during high-torque operations. The long-life feature, achieved through precision manufacturing and high-grade materials, reduces replacement frequency. Additionally, customizable options allow adaptation to specific equipment requirements, ensuring seamless integration into existing systems.

Why Genuine Bearings Matter for Total Cost of Ownership

Choosing genuine Spherical Roller Bearings over counterfeit alternatives directly impacts operational costs. Counterfeit bearings often fail early, leading to unplanned downtime, costly repairs, and potential damage to关联设备. Our products meet ISO international standards, supported by strict quality control processes from raw material inspection to final product testing. Investing in genuine bearings reduces long-term expenses by minimizing maintenance intervals and extending equipment lifespan.

Our Commitment to Reliable Supply and Service

With ISO 9001:2015 and ISO 14001 certifications, we adhere to rigorous quality management systems. Our one-stop service covers independent R&D, mass production, and global sales, ensuring consistent supply for both standard and customized orders. We offer flexible MOQ—1 piece for standard bearings—and efficient delivery, with sample orders shipped within 3-5 working days. Our professional technical team provides free guidance on selection, installation, and maintenance, supported by a 12-month warranty for added peace of mind.

Packaging & Shipping

  • Secure packaging with carton pallet to prevent damage during transit
  • Sample orders delivered in 3-5 working days, bulk orders in 5-15 working days
  • Multiple logistics options including express, air, and sea freight
  • Real-time tracking provided for all shipments
  • 1 piece MOQ available for standard bearings, supporting emergency maintenance needs

Get Your Spherical Roller Bearing 21305 Today

Don’t let bearing failures disrupt your operations. Contact us with your bearing model, application details, and quantity requirements to receive a prompt quote. Our team ensures fast response and reliable delivery, helping you minimize downtime and maintain productivity.

Frequently Asked Questions

Q: Are these genuine SKF bearings?

A: Yes, we supply genuine original brand bearings, including SKF, with full traceability to ensure authenticity.

Q: How can I confirm if the 21305 bearing fits my equipment?

A: Provide your equipment model or technical specifications, and our professional technical team will assist with free选型确认.

What is the warranty policy?

A: We offer an official 12-month warranty from the date of delivery, covering manufacturing defects with free replacement or refund.

What is the minimum order quantity?

A: Standard bearings have a 1 piece MOQ, while customized orders are negotiable to meet your specific needs.

How long does shipping take?

A: Sample orders ship within 3-5 working days, and bulk orders within 5-15 working days, with multiple logistics options available.

Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.

Tags: 21305 Bearing 21306 bearing 21307 bearing 25x62x17mm Spherical Roller Bearing High Speed Low Noise Spherical Roller Bearing Long Life Spherical Roller Bearing Mining Equipment Bearing Spherical Roller Bearing
Fast Response · Within 24 Hours

Request a Quote for
This Product

Tell us your requirements -- quantity, specifications, or customization needs. Our team will respond with a competitive quote within 24 hours.

01

Submit Inquiry

Fill in your product requirements and contact details.

02

Confirm Parameters

Our team confirms specs, quantity, and arranges samples.

03

Receive Quotation

Get a detailed PI with competitive pricing and trade terms.

04

Place Order

Complete payment and we arrange production & delivery.

Product Inquiry Form

By submitting, you agree to be contacted by our sales team. We respect your privacy.

Related Products

More products from the same category

View All
Ball & Roller Bearing Set 21312EK for Industrial Machinery Deep Groove Taper Angular Contact Cylindrical

Famous Brand Bearing

Ball & Roller Bearing Set 21312EK for Industrial Machinery Deep Groove Taper Angular Contact Cylindrical

<p>Ensure smooth, long-lasting operation for your industrial machinery with the <strong>21312EK bearing</strong> set, engineered to minimize downtime and maximize productivity. This precision-crafted roller bearing set combines deep groove, taper angular contact, and cylindrical designs to handle heavy loads and high speeds, making it ideal for machine tools, textile equipment, and printing machinery.</p><ul><li>Precision grade P0-P4 and noise grade Z2-Z4 ensure stable performance in critical industrial applications</li><li>31mm width and robust construction deliver reliable rotation even under demanding工况</li><li>Backed by ISO 9001:2015 quality certification and a 12-month warranty for peace of mind</li><li>Supports OEM/ODM customization to match your specific equipment requirements seamlessly</li></ul>

View Details
High Speed 6805 Deep Groove Ball Bearing 25X37X7mm for Drilling Equipment with Grease Lubrication

Famous Brand Bearing

High Speed 6805 Deep Groove Ball Bearing 25X37X7mm for Drilling Equipment with Grease Lubrication

<p>Ensure smooth, high-speed performance for your drilling equipment with the <strong>6805 deep groove ball bearing</strong>, engineered to minimize downtime and maximize productivity. This 25X37X7mm precision component delivers reliable rotation even under heavy loads, thanks to its grease lubrication that reduces friction and extends service life.</p><ul><li>Customizable options available to meet specific drilling machinery requirements, ensuring a perfect fit for your equipment</li><li>Backed by Saifan Bearings' strict quality control and 12-month warranty, providing peace of mind for long-term use</li><li>Sample available for testing, with efficient delivery to get your operations up and running quickly</li></ul>

View Details
Double Row Angular Contact Ball Bearing 3206-a for Heavy-Duty Construction Machinery

Famous Brand Bearing

Double Row Angular Contact Ball Bearing 3206-a for Heavy-Duty Construction Machinery

<p>Keep your heavy-duty construction machinery running smoothly even under extreme loads with the <strong>Double Row Angular Contact Ball Bearing 3206-a</strong>. Engineered to deliver reliable rotation and extended service life, this bearing minimizes downtime and ensures consistent performance in tough job site conditions. Its double row design and angular contact structure provide superior radial and axial load capacity, making it ideal for construction equipment that demands precision and durability.</p><ul><li>Constructed with high-grade bearing steel and available in P0-P4 precision grades to meet your machinery’s exact specifications</li><li>Features separable design for easy installation and maintenance, reducing equipment servicing time</li><li>Supports both oil and grease lubrication, adapting to diverse operating environments</li></ul>

View Details
Double Row Spherical Roller Bearing 24122CC/C3W33 for Heavy Machinery High Speed Long Life

Famous Brand Bearing

Double Row Spherical Roller Bearing 24122CC/C3W33 for Heavy Machinery High Speed Long Life

<p>Ensure smooth, high-speed operation for your heavy machinery with the <strong>Double Row Spherical Roller Bearing 24122CC/C3W33</strong>, engineered to deliver long life and minimize downtime. This robust bearing handles heavy loads with precision, thanks to its 110mm×180mm×69mm dimensions and C3 clearance, making it ideal for gearboxes, industrial equipment, and automotive applications where reliability under stress is non-negotiable.</p><ul><li>Low noise performance and customizable options meet your specific operational needs</li><li>Backed by Saifan's ISO 9001:2015 quality assurance and 12-month warranty for peace of mind</li><li>Sample available for testing, with flexible order quantities to suit both small repairs and large-scale production</li></ul>

View Details